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<div class="headertitle"><div class="title">avltree.cpp</div></div>
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<div class="contents">
<a href="../../d8/dee/avltree_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="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;algorithm&gt;</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;queue&gt;</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="foldopen" id="foldopen00013" data-start="{" data-end="};">
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#a74f0cf18a0e5b832d9994e2f2d022287"> 13</a></span><span class="keyword">using </span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <span class="keyword">struct </span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> {</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>;</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keywordtype">int</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">struct </span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *left;</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">struct </span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *right;</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span>};</div>
</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span></div>
<div class="foldopen" id="foldopen00025" data-start="{" data-end="}">
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6"> 25</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a>(<span class="keywordtype">int</span> <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>) {</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *nn = <span class="keyword">new</span> <a class="code hl_typedef" href="../../d8/dee/avltree_8cpp.html#a74f0cf18a0e5b832d9994e2f2d022287">node</a>();</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> nn-&gt;data = <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> nn-&gt;height = 0;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> nn-&gt;left = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> nn-&gt;right = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordflow">return</span> nn;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>}</div>
</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span></div>
<div class="foldopen" id="foldopen00038" data-start="{" data-end="}">
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83"> 38</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (root == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> }</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> 1 + std::max(<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;left), <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;right));</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546"> 49</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) { <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;left) - <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;right); }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c"> 55</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *t = root-&gt;left;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *u = t-&gt;right;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> t-&gt;right = root;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> root-&gt;left = u;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> t;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>}</div>
</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6"> 67</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *t = root-&gt;right;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *u = t-&gt;left;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> t-&gt;left = root;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> root-&gt;right = u;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> t;</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>}</div>
</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span></div>
<div class="foldopen" id="foldopen00079" data-start="{" data-end="}">
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e"> 79</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">if</span> (root-&gt;left == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a>(root-&gt;left);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</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="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b"> 92</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root, <span class="keywordtype">int</span> item) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (root == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a>(item);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (item &lt; root-&gt;<a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>) {</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root-&gt;left, item);</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root-&gt;right, item);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordtype">int</span> b = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (b &gt; 1) {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root-&gt;left) &lt; 0) {</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a>(root-&gt;left); <span class="comment">// Left-Right Case</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a>(root); <span class="comment">// Left-Left Case</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b &lt; -1) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root-&gt;right) &gt; 0) {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a>(root-&gt;right); <span class="comment">// Right-Left Case</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a>(root); <span class="comment">// Right-Right Case</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> root;</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="foldopen" id="foldopen00122" data-start="{" data-end="}">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5"> 122</a></span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root, <span class="keywordtype">int</span> element) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">if</span> (root == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> }</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">if</span> (element &lt; root-&gt;<a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>) {</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(root-&gt;left, element);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (element &gt; root-&gt;data) {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(root-&gt;right, element);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Node to be deleted is leaf node or have only one Child</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keywordflow">if</span> (!root-&gt;right || !root-&gt;left) {</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *temp = !root-&gt;right ? root-&gt;left : root-&gt;right;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">delete</span> root;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">return</span> temp;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="comment">// Node to be deleted have both left and right subtrees</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *temp = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a>(root-&gt;right);</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> root-&gt;data = temp-&gt;data;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(root-&gt;right, temp-&gt;data);</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> <span class="comment">// Balancing Tree after deletion</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>}</div>
</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span></div>
<div class="foldopen" id="foldopen00151" data-start="{" data-end="}">
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c"> 151</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c">deleteAllNodes</a>(<span class="keyword">const</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *<span class="keyword">const</span> root) {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (root) {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c">deleteAllNodes</a>(root-&gt;left);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c">deleteAllNodes</a>(root-&gt;right);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">delete</span> root;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</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="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59"> 163</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root) {</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> std::queue&lt;node *&gt; q;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> q.push(root);</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">while</span> (!q.empty()) {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> root = q.front();</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> std::cout &lt;&lt; root-&gt;data &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> q.pop();</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordflow">if</span> (root-&gt;left) {</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> q.push(root-&gt;left);</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> }</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">if</span> (root-&gt;right) {</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> q.push(root-&gt;right);</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>}</div>
</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span></div>
<div class="foldopen" id="foldopen00183" data-start="{" data-end="}">
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"><a class="line" href="../../d8/dee/avltree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 183</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Testing AVL Tree</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">for</span> (i = 1; i &lt;= 7; i++) root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root, i);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> std::cout &lt;&lt; <span class="stringliteral">&quot;LevelOrder: &quot;</span>;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(root, 1); <span class="comment">// Deleting key with value 1</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nLevelOrder: &quot;</span>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a>(root, 4); <span class="comment">// Deletin key with value 4</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> std::cout &lt;&lt; <span class="stringliteral">&quot;\nLevelOrder: &quot;</span>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c">deleteAllNodes</a>(root);</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>}</div>
</div>
<div class="ttc" id="aavltree_8cpp_html_a2473fe7416332495b2678ebe89652e4b"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a></div><div class="ttdeci">node * insert(node *root, int item)</div><div class="ttdoc">inserts a new element into AVL tree</div><div class="ttdef"><b>Definition</b> <a href="#l00092">avltree.cpp:92</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_a473eee1803e4e44a54d685e4b0eef5a6"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a></div><div class="ttdeci">node * leftRotate(node *root)</div><div class="ttdef"><b>Definition</b> <a href="#l00067">avltree.cpp:67</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_a48d897353aeb6a721dbc6b6c57e035e6"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a></div><div class="ttdeci">node * createNode(int data)</div><div class="ttdoc">creates and returns a new node</div><div class="ttdef"><b>Definition</b> <a href="#l00025">avltree.cpp:25</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_a5fa160a678a34dd51c0aea1c0c00ed5e"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a></div><div class="ttdeci">node * minValue(node *root)</div><div class="ttdef"><b>Definition</b> <a href="#l00079">avltree.cpp:79</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_a74f0cf18a0e5b832d9994e2f2d022287"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a74f0cf18a0e5b832d9994e2f2d022287">node</a></div><div class="ttdeci">struct node { int data; int height; struct node *left; struct node *right;} node</div><div class="ttdoc">for std::queue</div><div class="ttdef"><b>Definition</b> <a href="#l00013">avltree.cpp:13</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_a82659e9e223e520cf91d7e55c4a3f88c"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a82659e9e223e520cf91d7e55c4a3f88c">deleteAllNodes</a></div><div class="ttdeci">void deleteAllNodes(const node *const root)</div><div class="ttdoc">calls delete on every node</div><div class="ttdef"><b>Definition</b> <a href="#l00151">avltree.cpp:151</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_aa29a7fdc2db1784f5a6e25025ff7cbf5"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#aa29a7fdc2db1784f5a6e25025ff7cbf5">deleteNode</a></div><div class="ttdeci">node * deleteNode(node *root, int element)</div><div class="ttdoc">removes a given element from AVL tree</div><div class="ttdef"><b>Definition</b> <a href="#l00122">avltree.cpp:122</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_aaa457ffec24c9643f2768e7a65e96546"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a></div><div class="ttdeci">int getBalance(node *root)</div><div class="ttdef"><b>Definition</b> <a href="#l00049">avltree.cpp:49</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_adfc1d482a564c041756719667b955b8c"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a></div><div class="ttdeci">node * rightRotate(node *root)</div><div class="ttdef"><b>Definition</b> <a href="#l00055">avltree.cpp:55</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_ae197eb50188fb761346952b9b5f6be59"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a></div><div class="ttdeci">void levelOrder(node *root)</div><div class="ttdoc">prints given tree in the LevelOrder</div><div class="ttdef"><b>Definition</b> <a href="#l00163">avltree.cpp:163</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_ae4a66d8b0c2b0d626aea45977e358c83"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a></div><div class="ttdeci">int height(node *root)</div><div class="ttdef"><b>Definition</b> <a href="#l00038">avltree.cpp:38</a></div></div>
<div class="ttc" id="aavltree_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00183">avltree.cpp:183</a></div></div>
<div class="ttc" id="ahash__search_8cpp_html_a6e1a77282bc65ad359d753d25df23243"><div class="ttname"><a href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a></div><div class="ttdeci">int data[MAX]</div><div class="ttdoc">test data</div><div class="ttdef"><b>Definition</b> <a href="../../d1/df3/hash__search_8cpp_source.html#l00024">hash_search.cpp:24</a></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>
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