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<title>Algorithms_in_C++: data_structures::SkipList Class Reference</title>
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<div id="projectname">Algorithms_in_C++<span id="projectnumber"> 1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C++.</div>
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@@ -97,6 +97,12 @@ $(document).ready(function(){initNavTree('d4/d90/classdata__structures_1_1_skip_
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<div class="headertitle"><div class="title">data_structures::SkipList Class Reference</div></div>
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<div class="contents">
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<div class="dynheader">
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Collaboration diagram for data_structures::SkipList:</div>
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<div class="dyncontent">
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<div class="center"><iframe scrolling="no" frameborder="0" src="../../d7/d0b/classdata__structures_1_1_skip_list__coll__graph.svg" width="422" height="260"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<center><span class="legend">[<a target="top" href="../../graph_legend.html">legend</a>]</span></center></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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@@ -150,11 +156,11 @@ int </td><td class="memItemRight" valign="bottom"><b>level</b></td></tr>
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</table>
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</div><div class="memdoc">
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<p >Skip List constructor. Initializes header, start <a class="el" href="../../d9/d49/structdata__structures_1_1_node.html">Node</a> for searching in the list </p>
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<div class="fragment"><div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> {</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> = 0;</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="comment">// Header initialization</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a> = std::make_shared<Node>(-1, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a>);</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="fragment"><div class="line"><span class="lineno"> 64</span> {</div>
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<div class="line"><span class="lineno"> 65</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> = 0;</div>
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<div class="line"><span class="lineno"> 66</span> <span class="comment">// Header initialization</span></div>
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<div class="line"><span class="lineno"> 67</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a> = std::make_shared<Node>(-1, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a>);</div>
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<div class="line"><span class="lineno"> 68</span> }</div>
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<div class="ttc" id="aclassdata__structures_1_1_skip_list_html_a3e249c2c35a8b7f5ffd2d77fee60d650"><div class="ttname"><a href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">data_structures::SkipList::level</a></div><div class="ttdeci">int level</div><div class="ttdoc">Maximum level of the skiplist.</div><div class="ttdef"><b>Definition:</b> skip_list.cpp:56</div></div>
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<div class="ttc" id="aclassdata__structures_1_1_skip_list_html_ad7e392386d7db622185d6f7c718e4f16"><div class="ttname"><a href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">data_structures::SkipList::header</a></div><div class="ttdeci">std::shared_ptr< Node > header</div><div class="ttdoc">Pointer to the header node.</div><div class="ttdef"><b>Definition:</b> skip_list.cpp:57</div></div>
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<div class="ttc" id="anamespacedata__structures_html_ac0d7e0be24da9f41bcb19745873c436a"><div class="ttname"><a href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">data_structures::MAX_LEVEL</a></div><div class="ttdeci">constexpr int MAX_LEVEL</div><div class="ttdoc">Maximum level of skip list.</div><div class="ttdef"><b>Definition:</b> skip_list.cpp:27</div></div>
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@@ -191,42 +197,42 @@ int </td><td class="memItemRight" valign="bottom"><b>level</b></td></tr>
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</table>
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</dd>
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</dl>
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<div class="fragment"><div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> {</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> x = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<std::shared_ptr<Node></a>, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a> + 1> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>.fill(<span class="keyword">nullptr</span>);</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i >= 0; i--) {</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">while</span> (x->forward[i] != <span class="keyword">nullptr</span> && x->forward[i]->key < key) {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> x = x->forward[i];</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = x;</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> }</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> x = x->forward[0];</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordtype">bool</span> doesnt_exist = (x == <span class="keyword">nullptr</span> || x->key != key);</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordflow">if</span> (!doesnt_exist) {</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i++) {</div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] != x) {</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> }</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] = x->forward[i];</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> }</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="comment">/* Remove empty levels*/</span></div>
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||||
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> > 0 && <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>->forward[<a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>] == <span class="keyword">nullptr</span>) <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>--;</div>
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||||
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Deleted"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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||||
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Doesn't exist"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> }</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
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<div class="fragment"><div class="line"><span class="lineno"> 133</span> {</div>
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||||
<div class="line"><span class="lineno"> 134</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> x = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</div>
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<div class="line"><span class="lineno"> 135</span> </div>
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||||
<div class="line"><span class="lineno"> 136</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<std::shared_ptr<Node></a>, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a> + 1> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>;</div>
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||||
<div class="line"><span class="lineno"> 137</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>.fill(<span class="keyword">nullptr</span>);</div>
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||||
<div class="line"><span class="lineno"> 138</span> </div>
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||||
<div class="line"><span class="lineno"> 139</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i >= 0; i--) {</div>
|
||||
<div class="line"><span class="lineno"> 140</span> <span class="keywordflow">while</span> (x->forward[i] != <span class="keyword">nullptr</span> && x->forward[i]->key < key) {</div>
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<div class="line"><span class="lineno"> 141</span> x = x->forward[i];</div>
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||||
<div class="line"><span class="lineno"> 142</span> }</div>
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||||
<div class="line"><span class="lineno"> 143</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = x;</div>
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<div class="line"><span class="lineno"> 144</span> }</div>
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<div class="line"><span class="lineno"> 145</span> </div>
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<div class="line"><span class="lineno"> 146</span> x = x->forward[0];</div>
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<div class="line"><span class="lineno"> 147</span> </div>
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<div class="line"><span class="lineno"> 148</span> <span class="keywordtype">bool</span> doesnt_exist = (x == <span class="keyword">nullptr</span> || x->key != key);</div>
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<div class="line"><span class="lineno"> 149</span> </div>
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||||
<div class="line"><span class="lineno"> 150</span> <span class="keywordflow">if</span> (!doesnt_exist) {</div>
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||||
<div class="line"><span class="lineno"> 151</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i++) {</div>
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||||
<div class="line"><span class="lineno"> 152</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] != x) {</div>
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||||
<div class="line"><span class="lineno"> 153</span> <span class="keywordflow">break</span>;</div>
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||||
<div class="line"><span class="lineno"> 154</span> }</div>
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||||
<div class="line"><span class="lineno"> 155</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] = x->forward[i];</div>
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||||
<div class="line"><span class="lineno"> 156</span> }</div>
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||||
<div class="line"><span class="lineno"> 157</span> <span class="comment">/* Remove empty levels*/</span></div>
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||||
<div class="line"><span class="lineno"> 158</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> > 0 && <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>->forward[<a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>] == <span class="keyword">nullptr</span>) <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>--;</div>
|
||||
<div class="line"><span class="lineno"> 159</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Deleted"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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||||
<div class="line"><span class="lineno"> 160</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 161</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Doesn't exist"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<div class="line"><span class="lineno"> 162</span> }</div>
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||||
<div class="line"><span class="lineno"> 163</span> }</div>
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<div class="ttc" id="aarray_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a></div></div>
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||||
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
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||||
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
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||||
<div class="ttc" id="asegtree_8cpp_html_abd3e818681fb2e29cf08f4f60f82c8e0"><div class="ttname"><a href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a></div><div class="ttdeci">void update(std::vector< int64_t > *segtree, std::vector< int64_t > *lazy, int64_t start, int64_t end, int64_t delta, uint64_t low, uint64_t high, uint64_t pos)</div><div class="ttdoc">Updates a range of the segment tree.</div><div class="ttdef"><b>Definition:</b> segtree.cpp:102</div></div>
|
||||
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
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||||
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr< Node ></a></div></div>
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</div><!-- fragment --><div class="dynheader">
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Here is the call graph for this function:</div>
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<div class="dyncontent">
|
||||
@@ -259,18 +265,18 @@ Here is the call graph for this function:</div>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
<p >Display skip list level </p>
|
||||
<div class="fragment"><div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> {</div>
|
||||
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Displaying list:\n"</span>;</div>
|
||||
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i++) {</div>
|
||||
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>->forward[i];</div>
|
||||
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Level "</span> << (i) << <span class="stringliteral">": "</span>;</div>
|
||||
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="keywordflow">while</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> != <span class="keyword">nullptr</span>) {</div>
|
||||
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>->key << <span class="stringliteral">" "</span>;</div>
|
||||
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>->forward[i];</div>
|
||||
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
|
||||
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> }</div>
|
||||
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> }</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 191</span> {</div>
|
||||
<div class="line"><span class="lineno"> 192</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Displaying list:\n"</span>;</div>
|
||||
<div class="line"><span class="lineno"> 193</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 194</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>->forward[i];</div>
|
||||
<div class="line"><span class="lineno"> 195</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Level "</span> << (i) << <span class="stringliteral">": "</span>;</div>
|
||||
<div class="line"><span class="lineno"> 196</span> <span class="keywordflow">while</span> (<a class="code hl_class" href="../../d5/da1/structnode.html">node</a> != <span class="keyword">nullptr</span>) {</div>
|
||||
<div class="line"><span class="lineno"> 197</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>->key << <span class="stringliteral">" "</span>;</div>
|
||||
<div class="line"><span class="lineno"> 198</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> = <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>->forward[i];</div>
|
||||
<div class="line"><span class="lineno"> 199</span> }</div>
|
||||
<div class="line"><span class="lineno"> 200</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 201</span> }</div>
|
||||
<div class="line"><span class="lineno"> 202</span> }</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> avltree.cpp:13</div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
Here is the call graph for this function:</div>
|
||||
@@ -321,44 +327,44 @@ Here is the call graph for this function:</div>
|
||||
</table>
|
||||
</dd>
|
||||
</dl>
|
||||
<div class="fragment"><div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> {</div>
|
||||
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Inserting"</span> << key << <span class="stringliteral">"..."</span>;</div>
|
||||
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> x = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</div>
|
||||
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<std::shared_ptr<Node></a>, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a> + 1> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>;</div>
|
||||
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>.fill(<span class="keyword">nullptr</span>);</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">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i >= 0; i--) {</div>
|
||||
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">while</span> (x->forward[i] != <span class="keyword">nullptr</span> && x->forward[i]->key < key) {</div>
|
||||
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> x = x->forward[i];</div>
|
||||
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
|
||||
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = x;</div>
|
||||
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> }</div>
|
||||
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
|
||||
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> x = x->forward[0];</div>
|
||||
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
|
||||
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">bool</span> doesnt_exist = (x == <span class="keyword">nullptr</span> || x->key != key);</div>
|
||||
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">if</span> (doesnt_exist) {</div>
|
||||
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordtype">int</span> rlevel = <a class="code hl_function" href="../../d4/d90/classdata__structures_1_1_skip_list.html#aa3f3813e9896792fc86b296547689ba4">randomLevel</a>();</div>
|
||||
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
|
||||
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (rlevel > <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>) {</div>
|
||||
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> + 1; i < rlevel + 1; i++) <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</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> <span class="comment">// Update current level</span></div>
|
||||
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> = rlevel;</div>
|
||||
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> }</div>
|
||||
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
|
||||
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> n =</div>
|
||||
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> std::make_shared<Node>(key, rlevel, value);</div>
|
||||
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= rlevel; i++) {</div>
|
||||
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> n->forward[i] = <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i];</div>
|
||||
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] = n;</div>
|
||||
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
|
||||
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Inserted"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
|
||||
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Exists"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> }</div>
|
||||
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 90</span> {</div>
|
||||
<div class="line"><span class="lineno"> 91</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Inserting"</span> << key << <span class="stringliteral">"..."</span>;</div>
|
||||
<div class="line"><span class="lineno"> 92</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> x = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</div>
|
||||
<div class="line"><span class="lineno"> 93</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array<std::shared_ptr<Node></a>, <a class="code hl_variable" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">MAX_LEVEL</a> + 1> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>;</div>
|
||||
<div class="line"><span class="lineno"> 94</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>.fill(<span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"><span class="lineno"> 95</span> </div>
|
||||
<div class="line"><span class="lineno"> 96</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>; i >= 0; i--) {</div>
|
||||
<div class="line"><span class="lineno"> 97</span> <span class="keywordflow">while</span> (x->forward[i] != <span class="keyword">nullptr</span> && x->forward[i]->key < key) {</div>
|
||||
<div class="line"><span class="lineno"> 98</span> x = x->forward[i];</div>
|
||||
<div class="line"><span class="lineno"> 99</span> }</div>
|
||||
<div class="line"><span class="lineno"> 100</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = x;</div>
|
||||
<div class="line"><span class="lineno"> 101</span> }</div>
|
||||
<div class="line"><span class="lineno"> 102</span> </div>
|
||||
<div class="line"><span class="lineno"> 103</span> x = x->forward[0];</div>
|
||||
<div class="line"><span class="lineno"> 104</span> </div>
|
||||
<div class="line"><span class="lineno"> 105</span> <span class="keywordtype">bool</span> doesnt_exist = (x == <span class="keyword">nullptr</span> || x->key != key);</div>
|
||||
<div class="line"><span class="lineno"> 106</span> <span class="keywordflow">if</span> (doesnt_exist) {</div>
|
||||
<div class="line"><span class="lineno"> 107</span> <span class="keywordtype">int</span> rlevel = <a class="code hl_function" href="../../d4/d90/classdata__structures_1_1_skip_list.html#aa3f3813e9896792fc86b296547689ba4">randomLevel</a>();</div>
|
||||
<div class="line"><span class="lineno"> 108</span> </div>
|
||||
<div class="line"><span class="lineno"> 109</span> <span class="keywordflow">if</span> (rlevel > <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a>) {</div>
|
||||
<div class="line"><span class="lineno"> 110</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> + 1; i < rlevel + 1; i++) <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i] = <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#ad7e392386d7db622185d6f7c718e4f16">header</a>;</div>
|
||||
<div class="line"><span class="lineno"> 111</span> </div>
|
||||
<div class="line"><span class="lineno"> 112</span> <span class="comment">// Update current level</span></div>
|
||||
<div class="line"><span class="lineno"> 113</span> <a class="code hl_variable" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a3e249c2c35a8b7f5ffd2d77fee60d650">level</a> = rlevel;</div>
|
||||
<div class="line"><span class="lineno"> 114</span> }</div>
|
||||
<div class="line"><span class="lineno"> 115</span> </div>
|
||||
<div class="line"><span class="lineno"> 116</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr<Node></a> n =</div>
|
||||
<div class="line"><span class="lineno"> 117</span> std::make_shared<Node>(key, rlevel, value);</div>
|
||||
<div class="line"><span class="lineno"> 118</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i <= rlevel; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 119</span> n->forward[i] = <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i];</div>
|
||||
<div class="line"><span class="lineno"> 120</span> <a class="code hl_function" href="../../d2/d45/segtree_8cpp.html#abd3e818681fb2e29cf08f4f60f82c8e0">update</a>[i]->forward[i] = n;</div>
|
||||
<div class="line"><span class="lineno"> 121</span> }</div>
|
||||
<div class="line"><span class="lineno"> 122</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Inserted"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
|
||||
<div class="line"><span class="lineno"> 123</span> </div>
|
||||
<div class="line"><span class="lineno"> 124</span> } <span class="keywordflow">else</span> {</div>
|
||||
<div class="line"><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"Exists"</span> << <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
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<p >Returns random level of the skip list. Every higher level is 2 times less likely. </p><dl class="section return"><dt>Returns</dt><dd>random level for skip list </dd></dl>
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<div class="ttc" id="arand_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/random/rand.html">std::rand</a></div><div class="ttdeci">T rand(T... args)</div></div>
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Reference in New Issue
Block a user