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<p>Data structure for fast searching and insertion in \(O(\log n)\) time.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;array&gt;</code><br />
<code>#include &lt;cstring&gt;</code><br />
<code>#include &lt;ctime&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;memory&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
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Include dependency graph for skip_list.cpp:</div>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d4/d90/classdata__structures_1_1_skip_list.html">data_structures::SkipList</a></td></tr>
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<tr class="memdesc:d5/d3c/namespacedata__structures"><td class="mdescLeft">&#160;</td><td class="mdescRight">Data-structure algorithms. <br /></td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d5a/skip__list_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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Variables</h2></td></tr>
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constexpr int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">data_structures::MAX_LEVEL</a> = 2</td></tr>
<tr class="memdesc:ac0d7e0be24da9f41bcb19745873c436a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Maximum level of skip list. <br /></td></tr>
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constexpr float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d5/d3c/namespacedata__structures.html#a903639d8e6f955dd8d5c263781455d61">data_structures::PROBABILITY</a> = 0.5</td></tr>
<tr class="memdesc:a903639d8e6f955dd8d5c263781455d61"><td class="mdescLeft">&#160;</td><td class="mdescRight">Current probability for "coin toss". <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Data structure for fast searching and insertion in \(O(\log n)\) time. </p>
<p>A skip list is a data structure that is used for storing a sorted list of items with a help of hierarchy of linked lists that connect increasingly sparse subsequences of the items</p>
<p>References used: <a href="https://www.geeksforgeeks.org/skip-list/">GeeksForGeek</a>, <a href="https://iq.opengenus.org/skip-list">OpenGenus</a> for PseudoCode and Code </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/enqidu">enqidu</a> </dd>
<dd>
<a href="https://github.com/kvedala">Krishna Vedala</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&nbsp;</a></span>main()</h2>
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<td class="memname">int main </td>
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<p>Main function: Creates and inserts random 2^[number of levels] elements into the skip lists and than displays it </p>
<div class="fragment"><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a>(<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a>(<span class="keyword">nullptr</span>));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <a class="code" href="../../d4/d90/classdata__structures_1_1_skip_list.html">data_structures::SkipList</a> lst;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; (1 &lt;&lt; (<a class="code" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">data_structures::MAX_LEVEL</a> + 1)); j++) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordtype">int</span> k = (<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/random/rand.html">std::rand</a>() % (1 &lt;&lt; (<a class="code" href="../../d5/d3c/namespacedata__structures.html#ac0d7e0be24da9f41bcb19745873c436a">data_structures::MAX_LEVEL</a> + 2)) + 1);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; lst.<a class="code" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a40a4042bdf0b6683b5f21ae7854de8a9">insertElement</a>(k, &amp;j);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; lst.<a class="code" href="../../d4/d90/classdata__structures_1_1_skip_list.html#a812611f80b8079268dbb19cc4e9bee5c">displayList</a>();</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; </div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160;}</div>
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<div class="ttc" id="asrand_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/random/srand.html">std::srand</a></div><div class="ttdeci">T srand(T... args)</div></div>
<div class="ttc" id="aclassdata__structures_1_1_skip_list_html_a812611f80b8079268dbb19cc4e9bee5c"><div class="ttname"><a href="../../d4/d90/classdata__structures_1_1_skip_list.html#a812611f80b8079268dbb19cc4e9bee5c">data_structures::SkipList::displayList</a></div><div class="ttdeci">void displayList()</div><div class="ttdef"><b>Definition:</b> skip_list.cpp:191</div></div>
<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>
<div class="ttc" id="aclassdata__structures_1_1_skip_list_html"><div class="ttname"><a href="../../d4/d90/classdata__structures_1_1_skip_list.html">data_structures::SkipList</a></div><div class="ttdef"><b>Definition:</b> skip_list.cpp:55</div></div>
<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>
<div class="ttc" id="atime_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/chrono/c/time.html">std::time</a></div><div class="ttdeci">T time(T... args)</div></div>
<div class="ttc" id="aclassdata__structures_1_1_skip_list_html_a40a4042bdf0b6683b5f21ae7854de8a9"><div class="ttname"><a href="../../d4/d90/classdata__structures_1_1_skip_list.html#a40a4042bdf0b6683b5f21ae7854de8a9">data_structures::SkipList::insertElement</a></div><div class="ttdeci">void insertElement(int key, void *value)</div><div class="ttdef"><b>Definition:</b> skip_list.cpp:90</div></div>
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