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C-Plus-Plus/db/dbc/tree__234_8cpp_source.html
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<a href="../../db/dbc/tree__234_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &lt;array&gt;</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;fstream&gt;</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;memory&gt;</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;queue&gt;</span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include &lt;string&gt;</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d3c/namespacedata__structures.html">data_structures</a> {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d6/dab/namespacetree__234.html">tree_234</a> {</div>
<div class="foldopen" id="foldopen00035" data-start="{" data-end="};">
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html"> 35</a></span><span class="keyword">class </span><a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">public</span>:</div>
<div class="foldopen" id="foldopen00041" data-start="{" data-end="}">
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670"> 41</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a>(int64_t item)</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> : <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>({{item, 0, 0}}),</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>({{<span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>}}),</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>(1) {}</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06"> 50</a></span> int8_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06">GetCount</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; }</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#af564fd4b0992fff69f90de201542d3d1"> 61</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#af564fd4b0992fff69f90de201542d3d1">SetCount</a>(int8_t c) { <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> = c; }</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a607d8201b00b142bf1d6a34df2f936e8"> 67</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a607d8201b00b142bf1d6a34df2f936e8">IsLeaf</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[0] == <span class="keyword">nullptr</span>; }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd"> 73</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd">IsFull</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> == 3; }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631"> 79</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> == 1; }</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18"> 85</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> == 2 || <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> == 3; }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span></div>
<div class="foldopen" id="foldopen00092" data-start="{" data-end="}">
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a22fd25c6c811c64b6b27b0850d8c532f"> 92</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a22fd25c6c811c64b6b27b0850d8c532f">Contains</a>(int64_t item) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">for</span> (int8_t i = 0; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i++) {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">if</span> (item == <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i]) {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span></div>
<div class="foldopen" id="foldopen00107" data-start="{" data-end="}">
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a650f0ef26b7450e1addb5d80bb0ed629"> 107</a></span> int8_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a650f0ef26b7450e1addb5d80bb0ed629">GetItemIndex</a>(int64_t item) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">for</span> (int8_t i = 0; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i++) {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i] == item) {</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">return</span> i;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a2753b6053b8c86c5bd987a44fdfa0a57"> 120</a></span> int64_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a2753b6053b8c86c5bd987a44fdfa0a57">GetMaxItem</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> - 1]; }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a5438d0a47850f520b2262b5a42f75b71"> 126</a></span> int64_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a5438d0a47850f520b2262b5a42f75b71">GetMinItem</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[0]; }</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4808acb43668ff8cfd6f7cb44ceedad3"> 133</a></span> int64_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4808acb43668ff8cfd6f7cb44ceedad3">GetItem</a>(int8_t index) { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[index]; }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span></div>
<div class="foldopen" id="foldopen00140" data-start="{" data-end="}">
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aaa89a3016b5dd1be3552321c34343cbc"> 140</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aaa89a3016b5dd1be3552321c34343cbc">SetItem</a>(int8_t index, int64_t new_item) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> assert(index &gt;= 0 &amp;&amp; index &lt;= 2);</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[index] = new_item;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span></div>
<div class="foldopen" id="foldopen00163" data-start="{" data-end="}">
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8e809ae85ae00e937f67ddb76951b6bb"> 163</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8e809ae85ae00e937f67ddb76951b6bb">InsertItem</a>(<span class="keywordtype">int</span> item) {</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> assert(!<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd">IsFull</a>());</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a22fd25c6c811c64b6b27b0850d8c532f">Contains</a>(item)) {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> int8_t i = 0;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i++) {</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i] &gt; item) {</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956">InsertItemByIndex</a>(i, item, <span class="keyword">nullptr</span>, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> i;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span></div>
<div class="foldopen" id="foldopen00189" data-start="{" data-end="}">
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956"> 189</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956">InsertItemByIndex</a>(int8_t index, int64_t item, <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *with_child,</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">bool</span> to_left = <span class="keyword">true</span>) {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> assert(<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count &lt; 3 &amp;&amp; index &gt;</a>= 0 &amp;&amp; index &lt; 3);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">for</span> (int8_t i = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> - 1; i &gt;= index; i--) {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i + 1] = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i];</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[index] = item;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> int8_t start_index = to_left ? index : index + 1;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">for</span> (int8_t i = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i &gt;= start_index; i--) {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i + 1] = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i];</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[start_index] = with_child;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>++;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span></div>
<div class="foldopen" id="foldopen00217" data-start="{" data-end="}">
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a28944bb16ec22650b47fe3e80e3e13f8"> 217</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a28944bb16ec22650b47fe3e80e3e13f8">RemoveItemByIndex</a>(int8_t index, <span class="keywordtype">bool</span> keep_left) {</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> assert(index &gt;= 0 &amp;&amp; index &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>);</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *removed_child = keep_left ? <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[index + 1] : <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[index];</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keywordflow">for</span> (int8_t i = index; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> - 1; i++) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i] = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i + 1];</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> }</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordflow">for</span> (int8_t i = keep_left ? index + 1 : index; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i++) {</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i] = <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i + 1];</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>--;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">return</span> removed_child;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> }</div>
</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span></div>
<div class="foldopen" id="foldopen00237" data-start="{" data-end="}">
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad632a0440295bc88ceadae7478fe0d37"> 237</a></span> int8_t <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad632a0440295bc88ceadae7478fe0d37">GetChildIndex</a>(<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *child) {</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">for</span> (int8_t i = 0; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> + 1; i++) {</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i] == child) {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">return</span> i;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> }</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> }</div>
</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4"> 252</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(int8_t index) { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[index]; }</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74"> 259</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(int8_t index, <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *child) { <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[index] = child; }</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a731f9ae385840cf0a06d55e7f9924a94"> 265</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a731f9ae385840cf0a06d55e7f9924a94">GetRightmostChild</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>]; }</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ac6f619a1605cb46196360889fff4529e"> 271</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ac6f619a1605cb46196360889fff4529e">GetLeftmostChild</a>() { <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[0]; }</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span></div>
<div class="foldopen" id="foldopen00278" data-start="{" data-end="}">
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e"> 278</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e">GetItemLeftChild</a>(int8_t item_index) {</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">if</span> (item_index &lt; 0 || item_index &gt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> - 1) {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[item_index];</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span></div>
<div class="foldopen" id="foldopen00291" data-start="{" data-end="}">
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95"> 291</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95">GetItemRightChild</a>(int8_t item_index) {</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">if</span> (item_index &lt; 0 || item_index &gt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> - 1) {</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> }</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[item_index + 1];</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span></div>
<div class="foldopen" id="foldopen00304" data-start="{" data-end="}">
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a91322b3bb0b2b2175eb56e9e10d7db46"> 304</a></span> <a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">Node</a> *<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a91322b3bb0b2b2175eb56e9e10d7db46">GetNextPossibleChild</a>(int64_t item) {</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a>; i++) {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>[i] &gt; item) {</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>[i];</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div>
</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9"> 315</a></span> std::array&lt;int64_t, 3&gt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">items</a>; </div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d"> 317</a></span> std::array&lt;Node *, 4&gt; <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">children</a>; </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"><a class="line" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921"> 319</a></span> int8_t <a class="code hl_variable" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">count</a> = 0; </div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span>};</div>
</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span></div>
<div class="foldopen" id="foldopen00323" data-start="{" data-end="};">
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html"> 323</a></span><span class="keyword">class </span>Tree234 {</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> Tree234() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> Tree234(<span class="keyword">const</span> Tree234 &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> Tree234(<span class="keyword">const</span> Tree234 &amp;&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> Tree234 &amp;operator=(<span class="keyword">const</span> Tree234 &amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> Tree234 &amp;operator=(<span class="keyword">const</span> Tree234 &amp;&amp;) = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> ~Tree234();</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(int64_t item);</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a5da1be3f5b5d967ebb36a201f3ebad11">Remove</a>(int64_t item);</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>();</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165">Print</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *file_name = <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a07811b3c564a3a443b106c9aa717629d">InsertPreSplit</a>(int64_t item);</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aa7e5e00033f38006a224f30bdbf3f703">InsertPostMerge</a>(int64_t item);</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree, int64_t item);</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a11f0d016dff7f7e62b3dddb9fdf47805">MergeNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *dst_node, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *dst_node, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9">SplitNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> int64_t <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac85ba5abfd6d34dcd908b2afe6464657">GetTreeMaxItem</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> int64_t <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a65a1235659356166a3e9b451c64fcc36">GetTreeMinItem</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree);</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac5361479dd996eb331759f33808657d9">TryLeftRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *to_child);</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span></div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aec0642d1d151521ca7c70ea85cdb15d3">TryRightRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *to_child);</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9">RightRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index);</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span></div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e">LeftRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index);</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span></div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a61dd051a74e5f36c8dc03dae8dca6ef4">RemovePreMerge</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, int64_t item);</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span></div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index);</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855">DeleteNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree);</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree);</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(std::ofstream &amp;ofs, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, int64_t parent_index,</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> int64_t index, int8_t parent_child_index);</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> </div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36"> 538</a></span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>{<span class="keyword">nullptr</span>}; </div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span>};</div>
</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> </div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span>Tree234::~Tree234() { <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855">DeleteNode</a>(<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>); }</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span></div>
<div class="foldopen" id="foldopen00547" data-start="{" data-end="}">
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855"> 547</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855">Tree234::DeleteNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree) {</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno"> 548</span> <span class="keywordflow">if</span> (!tree) {</div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno"> 549</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"> 550</span> }</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span> <span class="keywordflow">for</span> (int8_t i = 0; i &lt;= tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06">GetCount</a>(); i++) {</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855">DeleteNode</a>(tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(i));</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> }</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> </div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keyword">delete</span> tree;</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span>}</div>
</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span></div>
<div class="foldopen" id="foldopen00562" data-start="{" data-end="}">
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd"> 562</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Tree234::Traverse</a>() {</div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>(<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>);</div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span>}</div>
</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> </div>
<div class="foldopen" id="foldopen00567" data-start="{" data-end="}">
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a936bb546e6a94d8b9d35b30ee1bb291a"> 567</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Tree234::Traverse</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keywordflow">if</span> (!<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> }</div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> </div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> int8_t i = 0;</div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetCount(); i++) {</div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(i));</div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> std::cout &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(i) &lt;&lt; <span class="stringliteral">&quot;, &quot;</span>;</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> }</div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> </div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(i));</div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span>}</div>
</div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span></div>
<div class="foldopen" id="foldopen00585" data-start="{" data-end="}">
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a07811b3c564a3a443b106c9aa717629d"> 585</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a07811b3c564a3a443b106c9aa717629d">Tree234::InsertPreSplit</a>(int64_t item) {</div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>) {</div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(item);</div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> }</div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>;</div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> </div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> <span class="keywordflow">if</span> (!<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> std::unique_ptr&lt;Node&gt; tmp(<span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(item));</div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(parent, tmp.get());</div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> }</div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> </div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Contains(item)) {</div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> }</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> </div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;IsFull()) {</div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9">SplitNode</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *cur_node = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> </div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <span class="keywordflow">if</span> (item &lt; node-&gt;GetItem(0)) {</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> cur_node = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(0);</div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> cur_node = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(1);</div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span> }</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> </div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno"> 616</span> <span class="keywordflow">if</span> (!parent) {</div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno"> 617</span> <span class="comment">// for the root node parent is nullptr, we simply assign the</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno"> 618</span> <span class="comment">// split parent to root_</span></div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno"> 619</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>;</div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"> 620</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span> <span class="comment">// merge the split parent to its origin parent</span></div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(parent, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span> }</div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span> </div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = cur_node;</div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> }</div>
<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> </div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> parent = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>;</div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = parent-&gt;GetNextPossibleChild(item);</div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> }</div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span>}</div>
</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span></div>
<div class="foldopen" id="foldopen00637" data-start="{" data-end="}">
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aa7e5e00033f38006a224f30bdbf3f703"> 637</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aa7e5e00033f38006a224f30bdbf3f703">Tree234::InsertPostMerge</a>(int64_t item) {</div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>) {</div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(item);</div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> }</div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span> </div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno"> 643</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *split_node = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>, item);</div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno"> 644</span> </div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno"> 645</span> <span class="comment">// if root has split, then update root_</span></div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno"> 646</span> <span class="keywordflow">if</span> (split_node) {</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno"> 647</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = split_node;</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno"> 648</span> }</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno"> 649</span>}</div>
</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno"> 650</span></div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e"> 655</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Tree234::Insert</a>(int64_t item) { <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a07811b3c564a3a443b106c9aa717629d">InsertPreSplit</a>(item); }</div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno"> 656</span></div>
<div class="foldopen" id="foldopen00663" data-start="{" data-end="}">
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a02df91964915ca97609d35f847faff5f"> 663</a></span><a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Tree234::Insert</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree, int64_t item) {</div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno"> 664</span> assert(tree != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno"> 665</span> </div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno"> 666</span> std::unique_ptr&lt;Node&gt; split_node;</div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno"> 667</span> </div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno"> 668</span> <span class="keywordflow">if</span> (tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a22fd25c6c811c64b6b27b0850d8c532f">Contains</a>(item)) {</div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno"> 669</span> <span class="comment">// return nullptr indicate current node not overflow</span></div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno"> 670</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno"> 671</span> }</div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno"> 672</span> </div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno"> 673</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *next_node = tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a91322b3bb0b2b2175eb56e9e10d7db46">GetNextPossibleChild</a>(item);</div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno"> 674</span> <span class="keywordflow">if</span> (next_node) {</div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno"> 675</span> split_node.reset(<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(next_node, item));</div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno"> 676</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno"> 677</span> split_node.reset(<span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(item));</div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno"> 678</span> }</div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno"> 679</span> </div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno"> 680</span> <span class="keywordflow">if</span> (split_node) {</div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno"> 681</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a11f0d016dff7f7e62b3dddb9fdf47805">MergeNode</a>(tree, split_node.get());</div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno"> 682</span> }</div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno"> 683</span> </div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno"> 684</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno"> 685</span>}</div>
</div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno"> 686</span></div>
<div class="foldopen" id="foldopen00700" data-start="{" data-end="}">
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a11f0d016dff7f7e62b3dddb9fdf47805"> 700</a></span><a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a11f0d016dff7f7e62b3dddb9fdf47805">Tree234::MergeNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *dst_node, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno"> 701</span> assert(dst_node != <span class="keyword">nullptr</span> &amp;&amp; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno"> 702</span> </div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno"> 703</span> <span class="keywordflow">if</span> (!dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd">IsFull</a>()) {</div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno"> 704</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(dst_node, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno"> 705</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno"> 706</span> }</div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno"> 707</span> </div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno"> 708</span> dst_node = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9">SplitNode</a>(dst_node);</div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno"> 709</span> </div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno"> 710</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(0) &lt; dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4808acb43668ff8cfd6f7cb44ceedad3">GetItem</a>(0)) {</div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno"> 711</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(0), <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno"> 712</span> </div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno"> 713</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno"> 714</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">MergeNodeNotFull</a>(dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(1), <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno"> 715</span> }</div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno"> 716</span> </div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno"> 717</span> <span class="keywordflow">return</span> dst_node;</div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno"> 718</span>}</div>
</div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno"> 719</span></div>
<div class="foldopen" id="foldopen00730" data-start="{" data-end="}">
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95"> 730</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">Tree234::MergeNodeNotFull</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *dst_node, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno"> 731</span> assert(dst_node &amp;&amp; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> &amp;&amp; !dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd">IsFull</a>() &amp;&amp; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Is2Node());</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno"> 732</span> </div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno"> 733</span> int8_t i = dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8e809ae85ae00e937f67ddb76951b6bb">InsertItem</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(0));</div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno"> 734</span> </div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno"> 735</span> dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(i, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(0));</div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno"> 736</span> dst_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(i + 1, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(1));</div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno"> 737</span>}</div>
</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno"> 738</span></div>
<div class="foldopen" id="foldopen00745" data-start="{" data-end="}">
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9"> 745</a></span><a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9">Tree234::SplitNode</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno"> 746</span> assert(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetCount() == 3);</div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno"> 747</span> </div>
<div class="line"><a id="l00748" name="l00748"></a><span class="lineno"> 748</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>;</div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno"> 749</span> </div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno"> 750</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right = <span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(2));</div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno"> 751</span> right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(0, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(2));</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno"> 752</span> right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(1, <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChild(3));</div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno"> 753</span> </div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno"> 754</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent = <span class="keyword">new</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(1));</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno"> 755</span> parent-&gt;SetChild(0, left);</div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno"> 756</span> parent-&gt;SetChild(1, right);</div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno"> 757</span> </div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno"> 758</span> left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#af564fd4b0992fff69f90de201542d3d1">SetCount</a>(1);</div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno"> 759</span> </div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno"> 760</span> <span class="keywordflow">return</span> parent;</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno"> 761</span>}</div>
</div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno"> 762</span></div>
<div class="foldopen" id="foldopen00778" data-start="{" data-end="}">
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac5361479dd996eb331759f33808657d9"> 778</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac5361479dd996eb331759f33808657d9">Tree234::TryLeftRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *to_child) {</div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno"> 779</span> <span class="keywordtype">int</span> to_child_index = parent-&gt;GetChildIndex(to_child);</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno"> 780</span> </div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno"> 781</span> <span class="comment">// child is right most, can not do left rotate to it</span></div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno"> 782</span> <span class="keywordflow">if</span> (to_child_index &gt;= parent-&gt;GetCount()) {</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno"> 783</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno"> 784</span> }</div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno"> 785</span> </div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno"> 786</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right_sibling = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(to_child_index + 1);</div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno"> 787</span> </div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno"> 788</span> <span class="comment">// right sibling is 2-node. can not do left rotate.</span></div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno"> 789</span> <span class="keywordflow">if</span> (right_sibling-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>()) {</div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno"> 790</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno"> 791</span> }</div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno"> 792</span> </div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno"> 793</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e">LeftRotate</a>(parent, to_child_index);</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno"> 794</span> </div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno"> 795</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno"> 796</span>}</div>
</div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno"> 797</span></div>
<div class="foldopen" id="foldopen00813" data-start="{" data-end="}">
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aec0642d1d151521ca7c70ea85cdb15d3"> 813</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aec0642d1d151521ca7c70ea85cdb15d3">Tree234::TryRightRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *to_child) {</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno"> 814</span> int8_t to_child_index = parent-&gt;GetChildIndex(to_child);</div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno"> 815</span> </div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno"> 816</span> <span class="comment">// child is left most, can not do right rotate to it</span></div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno"> 817</span> <span class="keywordflow">if</span> (to_child_index &lt;= 0) {</div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno"> 818</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno"> 819</span> }</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno"> 820</span> </div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno"> 821</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left_sibling = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(to_child_index - 1);</div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno"> 822</span> </div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno"> 823</span> <span class="comment">// right sibling is 2-node. can not do left rotate.</span></div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno"> 824</span> <span class="keywordflow">if</span> (left_sibling-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>()) {</div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno"> 825</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno"> 826</span> }</div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno"> 827</span> </div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno"> 828</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9">RightRotate</a>(parent, to_child_index - 1);</div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno"> 829</span> </div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno"> 830</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno"> 831</span>}</div>
</div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno"> 832</span></div>
<div class="foldopen" id="foldopen00845" data-start="{" data-end="}">
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9"> 845</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9">Tree234::RightRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index) {</div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno"> 846</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e">GetItemLeftChild</a>(index);</div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno"> 847</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95">GetItemRightChild</a>(index);</div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno"> 848</span> </div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno"> 849</span> assert(left &amp;&amp; left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>());</div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno"> 850</span> assert(right &amp;&amp; right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>());</div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno"> 851</span> </div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno"> 852</span> right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956">InsertItemByIndex</a>(0, parent-&gt;GetItem(index),</div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno"> 853</span> left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a731f9ae385840cf0a06d55e7f9924a94">GetRightmostChild</a>(), <span class="keyword">true</span>);</div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno"> 854</span> parent-&gt;SetItem(index, left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a2753b6053b8c86c5bd987a44fdfa0a57">GetMaxItem</a>());</div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno"> 855</span> left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a28944bb16ec22650b47fe3e80e3e13f8">RemoveItemByIndex</a>(left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06">GetCount</a>() - 1, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno"> 856</span>}</div>
</div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno"> 857</span></div>
<div class="foldopen" id="foldopen00869" data-start="{" data-end="}">
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e"> 869</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e">Tree234::LeftRotate</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index) {</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno"> 870</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e">GetItemLeftChild</a>(index);</div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno"> 871</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95">GetItemRightChild</a>(index);</div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno"> 872</span> </div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno"> 873</span> assert(right &amp;&amp; right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>());</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno"> 874</span> assert(left &amp;&amp; left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>());</div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno"> 875</span> </div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno"> 876</span> left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956">InsertItemByIndex</a>(left-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06">GetCount</a>(), parent-&gt;GetItem(index),</div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno"> 877</span> right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ac6f619a1605cb46196360889fff4529e">GetLeftmostChild</a>(), <span class="keyword">false</span>);</div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno"> 878</span> parent-&gt;SetItem(index, right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a5438d0a47850f520b2262b5a42f75b71">GetMinItem</a>());</div>
<div class="line"><a id="l00879" name="l00879"></a><span class="lineno"> 879</span> right-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a28944bb16ec22650b47fe3e80e3e13f8">RemoveItemByIndex</a>(0, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno"> 880</span>}</div>
</div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno"> 881</span></div>
<div class="foldopen" id="foldopen00895" data-start="{" data-end="}">
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9"> 895</a></span><a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Tree234::Merge</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *parent, int8_t index) {</div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno"> 896</span> assert(parent);</div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno"> 897</span> </div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// bool is_parent_2node = parent-&gt;Is2Node();</span></div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno"> 899</span> </div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno"> 900</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left_child = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e">GetItemLeftChild</a>(index);</div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno"> 901</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right_child = parent-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95">GetItemRightChild</a>(index);</div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno"> 902</span> </div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno"> 903</span> assert(left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>() &amp;&amp; right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>());</div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno"> 904</span> </div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno"> 905</span> int64_t item = parent-&gt;GetItem(index);</div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno"> 906</span> </div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno"> 907</span> <span class="comment">// 1. merge parent&#39;s item and right child to left child</span></div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno"> 908</span> left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aaa89a3016b5dd1be3552321c34343cbc">SetItem</a>(1, item);</div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno"> 909</span> left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aaa89a3016b5dd1be3552321c34343cbc">SetItem</a>(2, right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4808acb43668ff8cfd6f7cb44ceedad3">GetItem</a>(0));</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno"> 910</span> left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(2, right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(0));</div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno"> 911</span> left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">SetChild</a>(3, right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">GetChild</a>(1));</div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno"> 912</span> </div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno"> 913</span> left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#af564fd4b0992fff69f90de201542d3d1">SetCount</a>(3);</div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno"> 914</span> </div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno"> 915</span> <span class="comment">// 2. remove the parent&#39;s item</span></div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno"> 916</span> parent-&gt;RemoveItemByIndex(index, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno"> 917</span> </div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno"> 918</span> <span class="comment">// 3. delete the unused right child</span></div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno"> 919</span> <span class="keyword">delete</span> right_child;</div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno"> 920</span> </div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno"> 921</span> <span class="keywordflow">return</span> left_child;</div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno"> 922</span>}</div>
</div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno"> 923</span></div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a5da1be3f5b5d967ebb36a201f3ebad11"> 929</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a5da1be3f5b5d967ebb36a201f3ebad11">Tree234::Remove</a>(int64_t item) { <span class="keywordflow">return</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a61dd051a74e5f36c8dc03dae8dca6ef4">RemovePreMerge</a>(<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>, item); }</div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno"> 930</span></div>
<div class="foldopen" id="foldopen00937" data-start="{" data-end="}">
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a61dd051a74e5f36c8dc03dae8dca6ef4"> 937</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a61dd051a74e5f36c8dc03dae8dca6ef4">Tree234::RemovePreMerge</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, int64_t item) {</div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno"> 938</span> <span class="keywordflow">while</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>) {</div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno"> 939</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;IsLeaf()) {</div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno"> 940</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Contains(item)) {</div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno"> 941</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Is2Node()) {</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno"> 942</span> <span class="comment">// node must be root</span></div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno"> 943</span> <span class="keyword">delete</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>;</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno"> 944</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno"> 945</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno"> 946</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;RemoveItemByIndex(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemIndex(item), <span class="keyword">true</span>);</div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno"> 947</span> }</div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno"> 948</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno"> 949</span> }</div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno"> 950</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno"> 951</span> }</div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno"> 952</span> </div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno"> 953</span> <span class="comment">// node is internal</span></div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno"> 954</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Contains(item)) {</div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno"> 955</span> int8_t index = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemIndex(item);</div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno"> 956</span> </div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno"> 957</span> <span class="comment">// Here is important!!! What we do next depend on its children&#39;s</span></div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno"> 958</span> <span class="comment">// state. Why?</span></div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno"> 959</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left_child = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemLeftChild(index);</div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno"> 960</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right_child = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemRightChild(index);</div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno"> 961</span> assert(left_child &amp;&amp; right_child);</div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno"> 962</span> </div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno"> 963</span> <span class="keywordflow">if</span> (left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>() &amp;&amp; right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">Is2Node</a>()) {</div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// both left and right child are 2-node,we should not modify</span></div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno"> 965</span> <span class="comment">// current node in this situation. Because we are going to do</span></div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno"> 966</span> <span class="comment">// merge with its children which will move target item to next</span></div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno"> 967</span> <span class="comment">// layer. so if we replace the item with successor or</span></div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno"> 968</span> <span class="comment">// predecessor now, when we do the recursive remove with</span></div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno"> 969</span> <span class="comment">// successor or predecessor, we will result in removing the just</span></div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno"> 970</span> <span class="comment">// replaced one in the merged node. That&#39;s not what we want.</span></div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno"> 971</span> </div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno"> 972</span> <span class="comment">// we need to convert the child 2-node to 3-node or 4-node</span></div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno"> 973</span> <span class="comment">// first. First we try to see if any of them can convert to</span></div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno"> 974</span> <span class="comment">// 3-node by rotate. By using rotate we keep the empty house for</span></div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno"> 975</span> <span class="comment">// the future insertion which will be more efficient than merge.</span></div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno"> 976</span> <span class="comment">//</span></div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno"> 977</span> <span class="comment">// | ? | node | ? |</span></div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno"> 978</span> <span class="comment">// / | | \</span></div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno"> 979</span><span class="comment"> // / | | \</span></div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno"> 980</span><span class="comment"> // / | | \</span></div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno"> 981</span><span class="comment"> // / | | \</span></div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno"> 982</span><span class="comment"> // / | | \</span></div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno"> 983</span><span class="comment"> // / | | \</span></div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno"> 984</span><span class="comment"> // ? left_child right_child ?</span></div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno"> 985</span> <span class="comment">//</span></div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno"> 986</span> </div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno"> 987</span> <span class="comment">// node must be the root</span></div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno"> 988</span> <span class="keywordflow">if</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;Is2Node()) {</div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno"> 989</span> <span class="comment">// this means we can&#39;t avoid merging the target item into</span></div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno"> 990</span> <span class="comment">// next layer, and this will cause us do different process</span></div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno"> 991</span> <span class="comment">// compared with other cases</span></div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno"> 992</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *new_root = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, index);</div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno"> 993</span> <span class="keyword">delete</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>;</div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno"> 994</span> <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a> = new_root;</div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno"> 995</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>;</div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno"> 996</span> </div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno"> 997</span> <span class="comment">// now node point to the</span></div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno"> 998</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno"> 999</span> }</div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span> </div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span> <span class="comment">// here means we can avoid merging the target item into next</span></div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span> <span class="comment">// layer. So we convert one of its left or right child to 3-node</span></div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span> <span class="comment">// and then do the successor or predecessor swap and recursive</span></div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span> <span class="comment">// remove the next layer will successor or predecessor.</span></div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span> <span class="keywordflow">do</span> {</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span> <span class="keywordflow">if</span> (index &gt; 0) {</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span> <span class="comment">// left_child has left-sibling, we check if we can do a</span></div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span> <span class="comment">// rotate</span></div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *left_sibling = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemLeftChild(index - 1);</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span> <span class="keywordflow">if</span> (left_sibling-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>()) {</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9">RightRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, index - 1);</div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span> }</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span> }</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span> </div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span> <span class="keywordflow">if</span> (index &lt; node-&gt;GetCount() - 1) {</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span> <span class="comment">// right_child has right-sibling, we check if we can do</span></div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span> <span class="comment">// a rotate</span></div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *right_sibling =</div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemRightChild(index + 1);</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span> <span class="keywordflow">if</span> (right_sibling-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>()) {</div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e">LeftRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, index + 1);</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span> }</div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span> }</div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span> </div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span> <span class="comment">// we do a merge. We avoid merging the target item, which</span></div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span> <span class="comment">// may trigger another merge in the recursion process.</span></div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span> <span class="keywordflow">if</span> (index &gt; 0) {</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, index - 1);</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span> }</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span> </div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, index + 1);</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span> </div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span> } <span class="keywordflow">while</span> (<span class="keyword">false</span>);</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span> }</div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span> </div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> <span class="comment">// refresh the left_child and right_child since they may be invalid</span></div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span> <span class="comment">// because of merge</span></div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span> left_child = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemLeftChild(index);</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span> right_child = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemRightChild(index);</div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span> </div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span> <span class="keywordflow">if</span> (left_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>()) {</div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span> int64_t predecessor_item = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac85ba5abfd6d34dcd908b2afe6464657">GetTreeMaxItem</a>(left_child);</div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;SetItem(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemIndex(item), predecessor_item);</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span> </div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = left_child;</div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span> item = predecessor_item;</div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span> }</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span> </div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span> <span class="keywordflow">if</span> (right_child-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>()) {</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span> int64_t successor_item = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a65a1235659356166a3e9b451c64fcc36">GetTreeMinItem</a>(right_child);</div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;SetItem(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItemIndex(item), successor_item);</div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = right_child;</div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span> item = successor_item;</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span> }</div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span> }</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span> </div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *next_node = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetNextPossibleChild(item);</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span> </div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span> <span class="keywordflow">if</span> (next_node-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">Is34Node</a>()) {</div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = next_node;</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span> }</div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span> </div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aec0642d1d151521ca7c70ea85cdb15d3">TryRightRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, next_node)) {</div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = next_node;</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span> }</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span> </div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac5361479dd996eb331759f33808657d9">TryLeftRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, next_node)) {</div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = next_node;</div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span> }</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span> </div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span> <span class="comment">// get here means both left sibling and right sibling of next_node is</span></div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span> <span class="comment">// 2-node, so we do merge</span></div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span> int8_t child_index = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetChildIndex(next_node);</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> <span class="keywordflow">if</span> (child_index &gt; 0) {</div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, child_index - 1);</div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">Merge</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, child_index);</div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span> }</div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span> </div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span> } <span class="comment">// while</span></div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span> </div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span>}</div>
</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span></div>
<div class="foldopen" id="foldopen01098" data-start="{" data-end="}">
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac85ba5abfd6d34dcd908b2afe6464657"> 1098</a></span>int64_t <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac85ba5abfd6d34dcd908b2afe6464657">Tree234::GetTreeMaxItem</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree) {</div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span> assert(tree);</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span> int64_t max = 0;</div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span> </div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span> <span class="keywordflow">while</span> (tree) {</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span> max = tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a2753b6053b8c86c5bd987a44fdfa0a57">GetMaxItem</a>();</div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> tree = tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a731f9ae385840cf0a06d55e7f9924a94">GetRightmostChild</a>();</div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> }</div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span> </div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span> <span class="keywordflow">return</span> max;</div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span>}</div>
</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span></div>
<div class="foldopen" id="foldopen01115" data-start="{" data-end="}">
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a65a1235659356166a3e9b451c64fcc36"> 1115</a></span>int64_t <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a65a1235659356166a3e9b451c64fcc36">Tree234::GetTreeMinItem</a>(<a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *tree) {</div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span> assert(tree);</div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span> int64_t min = 0;</div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span> </div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> <span class="keywordflow">while</span> (tree) {</div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span> min = tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a5438d0a47850f520b2262b5a42f75b71">GetMinItem</a>();</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span> tree = tree-&gt;<a class="code hl_function" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ac6f619a1605cb46196360889fff4529e">GetLeftmostChild</a>();</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> }</div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span> </div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span> <span class="keywordflow">return</span> min;</div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>}</div>
</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span></div>
<div class="foldopen" id="foldopen01131" data-start="{" data-end="}">
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165"> 1131</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165">Tree234::Print</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *file_name) {</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> <span class="keywordflow">if</span> (!file_name) {</div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span> file_name = <span class="stringliteral">&quot;out.dot&quot;</span>;</div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span> }</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span> </div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span> std::ofstream ofs;</div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span> </div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span> ofs.open(file_name);</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span> <span class="keywordflow">if</span> (!ofs) {</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span> std::cout &lt;&lt; <span class="stringliteral">&quot;create tree dot file failed, &quot;</span> &lt;&lt; file_name &lt;&lt; std::endl;</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> }</div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span> </div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span> ofs &lt;&lt; <span class="stringliteral">&quot;digraph G {\n&quot;</span>;</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span> ofs &lt;&lt; <span class="stringliteral">&quot;node [shape=record]\n&quot;</span>;</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> </div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span> int64_t index = 0;</div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span></div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span> <span class="keyword">struct </span>NodeInfo {</div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span> <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>; </div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> int64_t index; </div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span> };</div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> </div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span> std::queue&lt;NodeInfo&gt; q;</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span> </div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>) {</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span> <span class="comment">// print root node</span></div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(ofs, <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>, -1, index, 0);</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span> </div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span> NodeInfo ni{};</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span> ni.node = <a class="code hl_variable" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">root_</a>;</div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span> ni.index = index;</div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span> </div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span> q.push(ni);</div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> </div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span> <span class="keywordflow">while</span> (!q.empty()) {</div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span> NodeInfo node_info = q.front();</div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> q.pop();</div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span> </div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span> assert(node_info.node-&gt;GetCount() &gt; 0);</div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span> </div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span> <span class="keywordflow">if</span> (!node_info.node-&gt;IsLeaf()) {</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span> <span class="keywordflow">if</span> (node_info.node-&gt;GetCount() &gt; 0) {</div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(ofs, node_info.node-&gt;GetChild(0), node_info.index,</div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span> ++index, 0);</div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> ni.node = node_info.node-&gt;GetChild(0);</div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span> ni.index = index;</div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> q.push(ni);</div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span> </div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(ofs, node_info.node-&gt;GetChild(1), node_info.index,</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span> ++index, 1);</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span> ni.node = node_info.node-&gt;GetChild(1);</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span> ni.index = index;</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span> q.push(ni);</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span> }</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span> </div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span> <span class="keywordflow">if</span> (node_info.node-&gt;GetCount() &gt; 1) {</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(ofs, node_info.node-&gt;GetChild(2), node_info.index,</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span> ++index, 2);</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span> ni.node = node_info.node-&gt;GetChild(2);</div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span> ni.index = index;</div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span> q.push(ni);</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span> }</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span> </div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> <span class="keywordflow">if</span> (node_info.node-&gt;GetCount() &gt; 2) {</div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">PrintNode</a>(ofs, node_info.node-&gt;GetChild(3), node_info.index,</div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"> 1200</span> ++index, 3);</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span> ni.node = node_info.node-&gt;GetChild(3);</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span> ni.index = index;</div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> q.push(ni);</div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span> }</div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span> }</div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span> }</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span> }</div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span> </div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span> ofs &lt;&lt; <span class="stringliteral">&quot;}\n&quot;</span>;</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span> ofs.close();</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span>}</div>
</div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span></div>
<div class="foldopen" id="foldopen01226" data-start="{" data-end="}">
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"><a class="line" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be"> 1226</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">Tree234::PrintNode</a>(std::ofstream &amp;ofs, <a class="code hl_class" href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">Node</a> *<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>, int64_t parent_index,</div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span> int64_t index, int8_t parent_child_index) {</div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span> assert(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>);</div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span> </div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span> <span class="keywordflow">switch</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetCount()) {</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span> ofs &lt;&lt; <span class="stringliteral">&quot;node_&quot;</span> &lt;&lt; index &lt;&lt; <span class="stringliteral">&quot; [label=\&quot;&lt;f0&gt; &quot;</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(0)</div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span> &lt;&lt; <span class="stringliteral">&quot;\&quot;]\n&quot;</span>;</div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span> ofs &lt;&lt; <span class="stringliteral">&quot;node_&quot;</span> &lt;&lt; index &lt;&lt; <span class="stringliteral">&quot; [label=\&quot;&lt;f0&gt; &quot;</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(0)</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span> &lt;&lt; <span class="stringliteral">&quot; | &lt;f1&gt; &quot;</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(1) &lt;&lt; <span class="stringliteral">&quot;\&quot;]\n&quot;</span>;</div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span> ofs &lt;&lt; <span class="stringliteral">&quot;node_&quot;</span> &lt;&lt; index &lt;&lt; <span class="stringliteral">&quot; [label=\&quot;&lt;f0&gt; &quot;</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(0)</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span> &lt;&lt; <span class="stringliteral">&quot; | &lt;f1&gt; &quot;</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(1) &lt;&lt; <span class="stringliteral">&quot;| &lt;f2&gt; &quot;</span></div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span> &lt;&lt; <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>-&gt;GetItem(2) &lt;&lt; <span class="stringliteral">&quot;\&quot;]\n&quot;</span>;</div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span> </div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span> }</div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span> </div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span> <span class="comment">// draw the edge</span></div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span> <span class="keywordflow">if</span> (parent_index &gt;= 0) {</div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> ofs &lt;&lt; <span class="stringliteral">&quot;node_&quot;</span> &lt;&lt; parent_index &lt;&lt; <span class="stringliteral">&quot;:f&quot;</span></div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> &lt;&lt; (parent_child_index == 0 ? 0 : parent_child_index - 1) &lt;&lt; <span class="stringliteral">&quot;:&quot;</span></div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span> &lt;&lt; (parent_child_index == 0 ? <span class="stringliteral">&quot;sw&quot;</span> : <span class="stringliteral">&quot;se&quot;</span>) &lt;&lt; <span class="stringliteral">&quot; -&gt; node_&quot;</span> &lt;&lt; index</div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span> &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span> }</div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span>}</div>
</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>} <span class="comment">// namespace tree_234</span></div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span>} <span class="comment">// namespace data_structures</span></div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> </div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span></div>
<div class="foldopen" id="foldopen01263" data-start="{" data-end="}">
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"><a class="line" href="../../db/dbc/tree__234_8cpp.html#ae7880ce913f3058a35ff106d5be9e243"> 1263</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../db/dbc/tree__234_8cpp.html#ae7880ce913f3058a35ff106d5be9e243">test1</a>() {</div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span> std::array&lt;int16_t, 13&gt; arr = {3, 1, 5, 4, 2, 9, 10, 8, 7, 6, 16, 13, 14};</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span> <a class="code hl_class" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html">data_structures::tree_234::Tree234</a> tree;</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span> </div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> i : arr) {</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(i);</div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> }</div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"> 1270</span> </div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span> <span class="comment">// tree.Remove(10);</span></div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a5da1be3f5b5d967ebb36a201f3ebad11">Remove</a>(5);</div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165">Print</a>();</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span>}</div>
</div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span></div>
<div class="foldopen" id="foldopen01281" data-start="{" data-end="}">
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"><a class="line" href="../../db/dbc/tree__234_8cpp.html#af1ac73779b0fcfbbdce3976c0ca57342"> 1281</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/dae/dsu__path__compression_8cpp.html#a45d94ead4cf4e1ff9f87c38bc99f59ae">test2</a>(int64_t n) {</div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span> <a class="code hl_class" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html">data_structures::tree_234::Tree234</a> tree;</div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span> </div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span> <span class="keywordflow">for</span> (int64_t i = 0; i &lt; n; i++) {</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">Insert</a>(i);</div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> }</div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"> 1287</span> </div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">Traverse</a>();</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span> tree.<a class="code hl_function" href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165">Print</a>((std::to_string(n) + <span class="stringliteral">&quot;.dot&quot;</span>).c_str());</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span>}</div>
</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span></div>
<div class="foldopen" id="foldopen01298" data-start="{" data-end="}">
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"><a class="line" href="../../db/dbc/tree__234_8cpp.html#a0ddf1224851353fc92bfbff6f499fa97"> 1298</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) {</div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span> <span class="keywordflow">if</span> (argc &lt; 2) {</div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> <a class="code hl_function" href="../../db/dbc/tree__234_8cpp.html#ae7880ce913f3058a35ff106d5be9e243">test1</a>(); <span class="comment">// execute 1st test</span></div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span> <a class="code hl_function" href="../../d3/dae/dsu__path__compression_8cpp.html#a45d94ead4cf4e1ff9f87c38bc99f59ae">test2</a>(std::stoi(argv[1])); <span class="comment">// execute 2nd test</span></div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span> }</div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span> </div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span>}</div>
</div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html">data_structures::tree_234::Node</a></div><div class="ttdoc">2-3-4 tree node class</div><div class="ttdef"><b>Definition</b> <a href="#l00035">tree_234.cpp:35</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a164574a9209b5df66368530d090b32c4"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a164574a9209b5df66368530d090b32c4">data_structures::tree_234::Node::GetChild</a></div><div class="ttdeci">Node * GetChild(int8_t index)</div><div class="ttdoc">Get the child pointer at position of index.</div><div class="ttdef"><b>Definition</b> <a href="#l00252">tree_234.cpp:252</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a22fd25c6c811c64b6b27b0850d8c532f"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a22fd25c6c811c64b6b27b0850d8c532f">data_structures::tree_234::Node::Contains</a></div><div class="ttdeci">bool Contains(int64_t item)</div><div class="ttdoc">Check if item is in the node.</div><div class="ttdef"><b>Definition</b> <a href="#l00092">tree_234.cpp:92</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a2753b6053b8c86c5bd987a44fdfa0a57"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a2753b6053b8c86c5bd987a44fdfa0a57">data_structures::tree_234::Node::GetMaxItem</a></div><div class="ttdeci">int64_t GetMaxItem()</div><div class="ttdoc">Get max item (rightmost) in the current node.</div><div class="ttdef"><b>Definition</b> <a href="#l00120">tree_234.cpp:120</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a28944bb16ec22650b47fe3e80e3e13f8"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a28944bb16ec22650b47fe3e80e3e13f8">data_structures::tree_234::Node::RemoveItemByIndex</a></div><div class="ttdeci">Node * RemoveItemByIndex(int8_t index, bool keep_left)</div><div class="ttdoc">Insert a value to the index position.</div><div class="ttdef"><b>Definition</b> <a href="#l00217">tree_234.cpp:217</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a306a30931f54c84098b38d6bc8f4a956"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a306a30931f54c84098b38d6bc8f4a956">data_structures::tree_234::Node::InsertItemByIndex</a></div><div class="ttdeci">void InsertItemByIndex(int8_t index, int64_t item, Node *with_child, bool to_left=true)</div><div class="ttdoc">Insert a value to the index position.</div><div class="ttdef"><b>Definition</b> <a href="#l00189">tree_234.cpp:189</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a441cbee9896391f2b167d5aa7b4f8c95"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a441cbee9896391f2b167d5aa7b4f8c95">data_structures::tree_234::Node::GetItemRightChild</a></div><div class="ttdeci">Node * GetItemRightChild(int8_t item_index)</div><div class="ttdoc">Get right child of item at item_index.</div><div class="ttdef"><b>Definition</b> <a href="#l00291">tree_234.cpp:291</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a4808acb43668ff8cfd6f7cb44ceedad3"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4808acb43668ff8cfd6f7cb44ceedad3">data_structures::tree_234::Node::GetItem</a></div><div class="ttdeci">int64_t GetItem(int8_t index)</div><div class="ttdoc">Get item of the \index index.</div><div class="ttdef"><b>Definition</b> <a href="#l00133">tree_234.cpp:133</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a4a37381c0ef93d5ae2118b2e554974dd"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a4a37381c0ef93d5ae2118b2e554974dd">data_structures::tree_234::Node::IsFull</a></div><div class="ttdeci">bool IsFull()</div><div class="ttdoc">Check if node is a full (4-node)</div><div class="ttdef"><b>Definition</b> <a href="#l00073">tree_234.cpp:73</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a5438d0a47850f520b2262b5a42f75b71"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a5438d0a47850f520b2262b5a42f75b71">data_structures::tree_234::Node::GetMinItem</a></div><div class="ttdeci">int64_t GetMinItem()</div><div class="ttdoc">get min item (leftmost) in the current node</div><div class="ttdef"><b>Definition</b> <a href="#l00126">tree_234.cpp:126</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a607d8201b00b142bf1d6a34df2f936e8"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a607d8201b00b142bf1d6a34df2f936e8">data_structures::tree_234::Node::IsLeaf</a></div><div class="ttdeci">bool IsLeaf()</div><div class="ttdoc">Check if node is a leaf.</div><div class="ttdef"><b>Definition</b> <a href="#l00067">tree_234.cpp:67</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a650f0ef26b7450e1addb5d80bb0ed629"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a650f0ef26b7450e1addb5d80bb0ed629">data_structures::tree_234::Node::GetItemIndex</a></div><div class="ttdeci">int8_t GetItemIndex(int64_t item)</div><div class="ttdoc">Get the index of the item in the node, 0-based.</div><div class="ttdef"><b>Definition</b> <a href="#l00107">tree_234.cpp:107</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a6c5f929afcbad5219646990edee22e18"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a6c5f929afcbad5219646990edee22e18">data_structures::tree_234::Node::Is34Node</a></div><div class="ttdeci">bool Is34Node()</div><div class="ttdoc">Check if node is a 3-node or 4-node, this is useful when we delete item from 2-3-4 tree.</div><div class="ttdef"><b>Definition</b> <a href="#l00085">tree_234.cpp:85</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a731f9ae385840cf0a06d55e7f9924a94"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a731f9ae385840cf0a06d55e7f9924a94">data_structures::tree_234::Node::GetRightmostChild</a></div><div class="ttdeci">Node * GetRightmostChild()</div><div class="ttdoc">Get rightmose child of the current node.</div><div class="ttdef"><b>Definition</b> <a href="#l00265">tree_234.cpp:265</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a8417d01c88b99ca56289843509fb71f9"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8417d01c88b99ca56289843509fb71f9">data_structures::tree_234::Node::items</a></div><div class="ttdeci">std::array&lt; int64_t, 3 &gt; items</div><div class="ttdoc">store items</div><div class="ttdef"><b>Definition</b> <a href="#l00315">tree_234.cpp:315</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a8e809ae85ae00e937f67ddb76951b6bb"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a8e809ae85ae00e937f67ddb76951b6bb">data_structures::tree_234::Node::InsertItem</a></div><div class="ttdeci">int InsertItem(int item)</div><div class="ttdoc">Insert item to the proper position of the node and return the position index.</div><div class="ttdef"><b>Definition</b> <a href="#l00163">tree_234.cpp:163</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a91322b3bb0b2b2175eb56e9e10d7db46"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a91322b3bb0b2b2175eb56e9e10d7db46">data_structures::tree_234::Node::GetNextPossibleChild</a></div><div class="ttdeci">Node * GetNextPossibleChild(int64_t item)</div><div class="ttdoc">Get next node which is possibly contains item.</div><div class="ttdef"><b>Definition</b> <a href="#l00304">tree_234.cpp:304</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_a934e6d53cfefae2b971e1241a8a4c921"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#a934e6d53cfefae2b971e1241a8a4c921">data_structures::tree_234::Node::count</a></div><div class="ttdeci">int8_t count</div><div class="ttdoc">track the current item count</div><div class="ttdef"><b>Definition</b> <a href="#l00319">tree_234.cpp:319</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_aaa89a3016b5dd1be3552321c34343cbc"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aaa89a3016b5dd1be3552321c34343cbc">data_structures::tree_234::Node::SetItem</a></div><div class="ttdeci">void SetItem(int8_t index, int64_t new_item)</div><div class="ttdoc">Set item value at position of index.</div><div class="ttdef"><b>Definition</b> <a href="#l00140">tree_234.cpp:140</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_aac82e17daa088ede9ee00dc69c1e6f06"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#aac82e17daa088ede9ee00dc69c1e6f06">data_structures::tree_234::Node::GetCount</a></div><div class="ttdeci">int8_t GetCount()</div><div class="ttdoc">Get the item count that current saved in the node.</div><div class="ttdef"><b>Definition</b> <a href="#l00050">tree_234.cpp:50</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ab4e5f7b7b260bb81d9441652cc124c74"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab4e5f7b7b260bb81d9441652cc124c74">data_structures::tree_234::Node::SetChild</a></div><div class="ttdeci">void SetChild(int8_t index, Node *child)</div><div class="ttdoc">Set child pointer to the position of index.</div><div class="ttdef"><b>Definition</b> <a href="#l00259">tree_234.cpp:259</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ab654d7376d3449fdc78edab0e7fed06e"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ab654d7376d3449fdc78edab0e7fed06e">data_structures::tree_234::Node::GetItemLeftChild</a></div><div class="ttdeci">Node * GetItemLeftChild(int8_t item_index)</div><div class="ttdoc">Get left child of item at item_index.</div><div class="ttdef"><b>Definition</b> <a href="#l00278">tree_234.cpp:278</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ac6f619a1605cb46196360889fff4529e"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ac6f619a1605cb46196360889fff4529e">data_structures::tree_234::Node::GetLeftmostChild</a></div><div class="ttdeci">Node * GetLeftmostChild()</div><div class="ttdoc">Get leftmose child of the current node.</div><div class="ttdef"><b>Definition</b> <a href="#l00271">tree_234.cpp:271</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ad5219979ea9a8baa3a273a9ec0f0c670"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5219979ea9a8baa3a273a9ec0f0c670">data_structures::tree_234::Node::Node</a></div><div class="ttdeci">Node(int64_t item)</div><div class="ttdoc">Node constructor.</div><div class="ttdef"><b>Definition</b> <a href="#l00041">tree_234.cpp:41</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ad5d6b6ce5fab21ccc88c6bf3153eee5d"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad5d6b6ce5fab21ccc88c6bf3153eee5d">data_structures::tree_234::Node::children</a></div><div class="ttdeci">std::array&lt; Node *, 4 &gt; children</div><div class="ttdoc">store the children pointers</div><div class="ttdef"><b>Definition</b> <a href="#l00317">tree_234.cpp:317</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_ad632a0440295bc88ceadae7478fe0d37"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#ad632a0440295bc88ceadae7478fe0d37">data_structures::tree_234::Node::GetChildIndex</a></div><div class="ttdeci">int8_t GetChildIndex(Node *child)</div><div class="ttdoc">Get the child&#39;s index of the children array.</div><div class="ttdef"><b>Definition</b> <a href="#l00237">tree_234.cpp:237</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_af564fd4b0992fff69f90de201542d3d1"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#af564fd4b0992fff69f90de201542d3d1">data_structures::tree_234::Node::SetCount</a></div><div class="ttdeci">void SetCount(int8_t c)</div><div class="ttdoc">Set the item count of the node.</div><div class="ttdef"><b>Definition</b> <a href="#l00061">tree_234.cpp:61</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_node_html_afd9f83e2d5d7f22f79c1348e98914631"><div class="ttname"><a href="../../dd/d40/classdata__structures_1_1tree__234_1_1_node.html#afd9f83e2d5d7f22f79c1348e98914631">data_structures::tree_234::Node::Is2Node</a></div><div class="ttdeci">bool Is2Node()</div><div class="ttdoc">Check if node is a 2-node.</div><div class="ttdef"><b>Definition</b> <a href="#l00079">tree_234.cpp:79</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html">data_structures::tree_234::Tree234</a></div><div class="ttdoc">2-3-4 tree class</div><div class="ttdef"><b>Definition</b> <a href="#l00323">tree_234.cpp:323</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a07811b3c564a3a443b106c9aa717629d"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a07811b3c564a3a443b106c9aa717629d">data_structures::tree_234::Tree234::InsertPreSplit</a></div><div class="ttdeci">void InsertPreSplit(int64_t item)</div><div class="ttdoc">A insert implementation of pre-split.</div><div class="ttdef"><b>Definition</b> <a href="#l00585">tree_234.cpp:585</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a11f0d016dff7f7e62b3dddb9fdf47805"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a11f0d016dff7f7e62b3dddb9fdf47805">data_structures::tree_234::Tree234::MergeNode</a></div><div class="ttdeci">Node * MergeNode(Node *dst_node, Node *node)</div><div class="ttdoc">A helper function used during post-merge insert.</div><div class="ttdef"><b>Definition</b> <a href="#l00700">tree_234.cpp:700</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a273511e84a5243ffffe81be28bd24855"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a273511e84a5243ffffe81be28bd24855">data_structures::tree_234::Tree234::DeleteNode</a></div><div class="ttdeci">void DeleteNode(Node *tree)</div><div class="ttdoc">Recursive release the tree.</div><div class="ttdef"><b>Definition</b> <a href="#l00547">tree_234.cpp:547</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a2e9a9db7792cf5383f4c4cc418255165"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a2e9a9db7792cf5383f4c4cc418255165">data_structures::tree_234::Tree234::Print</a></div><div class="ttdeci">void Print(const char *file_name=nullptr)</div><div class="ttdoc">Print tree into a dot file.</div><div class="ttdef"><b>Definition</b> <a href="#l01131">tree_234.cpp:1131</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a348ea76c7629b2dcf740be062f970a36"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a348ea76c7629b2dcf740be062f970a36">data_structures::tree_234::Tree234::root_</a></div><div class="ttdeci">Node * root_</div><div class="ttdoc">root node of the tree</div><div class="ttdef"><b>Definition</b> <a href="#l00538">tree_234.cpp:538</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a36f4d5f603f7edb7db7c73fb53ba14e9"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a36f4d5f603f7edb7db7c73fb53ba14e9">data_structures::tree_234::Tree234::Merge</a></div><div class="ttdeci">Node * Merge(Node *parent, int8_t index)</div><div class="ttdoc">Merge the item at index of the parent node, and its left and right child.</div><div class="ttdef"><b>Definition</b> <a href="#l00895">tree_234.cpp:895</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a370b625ca9f16bbef2b65e024ef78ea9"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a370b625ca9f16bbef2b65e024ef78ea9">data_structures::tree_234::Tree234::SplitNode</a></div><div class="ttdeci">Node * SplitNode(Node *node)</div><div class="ttdoc">Split a 4-node to 1 parent and 2 children, and return the parent node.</div><div class="ttdef"><b>Definition</b> <a href="#l00745">tree_234.cpp:745</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a5da1be3f5b5d967ebb36a201f3ebad11"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a5da1be3f5b5d967ebb36a201f3ebad11">data_structures::tree_234::Tree234::Remove</a></div><div class="ttdeci">bool Remove(int64_t item)</div><div class="ttdoc">Remove item from tree.</div><div class="ttdef"><b>Definition</b> <a href="#l00929">tree_234.cpp:929</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a61dd051a74e5f36c8dc03dae8dca6ef4"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a61dd051a74e5f36c8dc03dae8dca6ef4">data_structures::tree_234::Tree234::RemovePreMerge</a></div><div class="ttdeci">bool RemovePreMerge(Node *node, int64_t item)</div><div class="ttdoc">Main function implement the pre-merge remove operation.</div><div class="ttdef"><b>Definition</b> <a href="#l00937">tree_234.cpp:937</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a65a1235659356166a3e9b451c64fcc36"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a65a1235659356166a3e9b451c64fcc36">data_structures::tree_234::Tree234::GetTreeMinItem</a></div><div class="ttdeci">int64_t GetTreeMinItem(Node *tree)</div><div class="ttdoc">Get the min item of the tree.</div><div class="ttdef"><b>Definition</b> <a href="#l01115">tree_234.cpp:1115</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a6749ebb40710c9752a2771eda03c6b3e"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a6749ebb40710c9752a2771eda03c6b3e">data_structures::tree_234::Tree234::Insert</a></div><div class="ttdeci">void Insert(int64_t item)</div><div class="ttdoc">Insert item to tree.</div><div class="ttdef"><b>Definition</b> <a href="#l00655">tree_234.cpp:655</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_a84ab7b4fe7442b5e2eeed8c050bb86bd"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#a84ab7b4fe7442b5e2eeed8c050bb86bd">data_structures::tree_234::Tree234::Traverse</a></div><div class="ttdeci">void Traverse()</div><div class="ttdoc">In-order traverse.</div><div class="ttdef"><b>Definition</b> <a href="#l00562">tree_234.cpp:562</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_aa7e5e00033f38006a224f30bdbf3f703"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aa7e5e00033f38006a224f30bdbf3f703">data_structures::tree_234::Tree234::InsertPostMerge</a></div><div class="ttdeci">void InsertPostMerge(int64_t item)</div><div class="ttdoc">A insert implementation of post-merge.</div><div class="ttdef"><b>Definition</b> <a href="#l00637">tree_234.cpp:637</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_ac5361479dd996eb331759f33808657d9"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac5361479dd996eb331759f33808657d9">data_structures::tree_234::Tree234::TryLeftRotate</a></div><div class="ttdeci">bool TryLeftRotate(Node *parent, Node *to_child)</div><div class="ttdoc">A handy function to try if we can do a left rotate to the target node.</div><div class="ttdef"><b>Definition</b> <a href="#l00778">tree_234.cpp:778</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_ac85ba5abfd6d34dcd908b2afe6464657"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ac85ba5abfd6d34dcd908b2afe6464657">data_structures::tree_234::Tree234::GetTreeMaxItem</a></div><div class="ttdeci">int64_t GetTreeMaxItem(Node *tree)</div><div class="ttdoc">Get the max item of the tree.</div><div class="ttdef"><b>Definition</b> <a href="#l01098">tree_234.cpp:1098</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_ad37e29e2a4a6cc0eb65cbd5595e1da95"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ad37e29e2a4a6cc0eb65cbd5595e1da95">data_structures::tree_234::Tree234::MergeNodeNotFull</a></div><div class="ttdeci">void MergeNodeNotFull(Node *dst_node, Node *node)</div><div class="ttdoc">Merge node to a not-full target node.</div><div class="ttdef"><b>Definition</b> <a href="#l00730">tree_234.cpp:730</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_ae58dca20f08eaf9313f6e7b0869c2d0e"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae58dca20f08eaf9313f6e7b0869c2d0e">data_structures::tree_234::Tree234::LeftRotate</a></div><div class="ttdeci">void LeftRotate(Node *parent, int8_t index)</div><div class="ttdoc">Do the actual left rotate operation.</div><div class="ttdef"><b>Definition</b> <a href="#l00869">tree_234.cpp:869</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_ae68f8e62be02657c1287def6b38d7cc9"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#ae68f8e62be02657c1287def6b38d7cc9">data_structures::tree_234::Tree234::RightRotate</a></div><div class="ttdeci">void RightRotate(Node *parent, int8_t index)</div><div class="ttdoc">Do the actual right rotate operation.</div><div class="ttdef"><b>Definition</b> <a href="#l00845">tree_234.cpp:845</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_aec0642d1d151521ca7c70ea85cdb15d3"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#aec0642d1d151521ca7c70ea85cdb15d3">data_structures::tree_234::Tree234::TryRightRotate</a></div><div class="ttdeci">bool TryRightRotate(Node *parent, Node *to_child)</div><div class="ttdoc">A handy function to try if we can do a right rotate to the target node.</div><div class="ttdef"><b>Definition</b> <a href="#l00813">tree_234.cpp:813</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1tree__234_1_1_tree234_html_af260f0760344771bf8fce4fc9b1739be"><div class="ttname"><a href="../../d3/d95/classdata__structures_1_1tree__234_1_1_tree234.html#af260f0760344771bf8fce4fc9b1739be">data_structures::tree_234::Tree234::PrintNode</a></div><div class="ttdeci">void PrintNode(std::ofstream &amp;ofs, Node *node, int64_t parent_index, int64_t index, int8_t parent_child_index)</div><div class="ttdoc">Print the tree to a dot file. You can convert it to picture with graphviz.</div><div class="ttdef"><b>Definition</b> <a href="#l01226">tree_234.cpp:1226</a></div></div>
<div class="ttc" id="adsu__path__compression_8cpp_html_a45d94ead4cf4e1ff9f87c38bc99f59ae"><div class="ttname"><a href="../../d3/dae/dsu__path__compression_8cpp.html#a45d94ead4cf4e1ff9f87c38bc99f59ae">test2</a></div><div class="ttdeci">static void test2()</div><div class="ttdoc">Self-implementations, 2nd test.</div><div class="ttdef"><b>Definition</b> <a href="../../d3/dae/dsu__path__compression_8cpp_source.html#l00187">dsu_path_compression.cpp:187</a></div></div>
<div class="ttc" id="agenerate__parentheses_8cpp_html_gae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../dd/d1e/generate__parentheses_8cpp.html#gae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="../../dd/d1e/generate__parentheses_8cpp_source.html#l00110">generate_parentheses.cpp:110</a></div></div>
<div class="ttc" id="anamespacedata__structures_html"><div class="ttname"><a href="../../d5/d3c/namespacedata__structures.html">data_structures</a></div><div class="ttdoc">for IO operations</div></div>
<div class="ttc" id="anamespacetree__234_html"><div class="ttname"><a href="../../d6/dab/namespacetree__234.html">tree_234</a></div><div class="ttdoc">Functions for 2–3–4 tree</div></div>
<div class="ttc" id="astructnode_html"><div class="ttname"><a href="../../d5/da1/structnode.html">node</a></div><div class="ttdef"><b>Definition</b> <a href="../../d3/d26/binary__search__tree_8cpp_source.html#l00011">binary_search_tree.cpp:11</a></div></div>
<div class="ttc" id="atree__234_8cpp_html_ae7880ce913f3058a35ff106d5be9e243"><div class="ttname"><a href="../../db/dbc/tree__234_8cpp.html#ae7880ce913f3058a35ff106d5be9e243">test1</a></div><div class="ttdeci">static void test1()</div><div class="ttdoc">simple test to insert a given array and delete some item, and print the tree</div><div class="ttdef"><b>Definition</b> <a href="#l01263">tree_234.cpp:1263</a></div></div>
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