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<p><a href="https://iq.opengenus.org/autocomplete-using-trie-data-structure/" target="_blank">Trie datastructure</a> with search variants
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<div class="textblock"><code>#include &lt;algorithm&gt;</code><br />
<code>#include &lt;cassert&gt;</code><br />
<code>#include &lt;cctype&gt;</code><br />
<code>#include &lt;cstdint&gt;</code><br />
<code>#include &lt;cstring&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;queue&gt;</code><br />
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Include dependency graph for trie_multiple_search.cpp:</div>
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<p><a href="../../d7/def/trie__multiple__search_8cpp_source.html">Go to the source code of this file.</a></p>
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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="../../d0/d5f/classoperations__on__datastructures_1_1trie__operations_1_1_tnode.html">operations_on_datastructures::trie_operations::Tnode</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Class defining the structure of trie node and containing the methods to perform operations on them. <a href="../../d0/d5f/classoperations__on__datastructures_1_1trie__operations_1_1_tnode.html#details">More...</a><br /></td></tr>
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<tr class="memdesc:da/d6d/namespaceoperations__on__datastructures"><td class="mdescLeft">&#160;</td><td class="mdescRight">for std::vector <br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d8e/namespacetrie__operations.html">trie_operations</a></td></tr>
<tr class="memdesc:df/d8e/namespacetrie__operations"><td class="mdescLeft">&#160;</td><td class="mdescRight">Functions for <a href="https://iq.opengenus.org/autocomplete-using-trie-data-structure/" target="_blank">Trie datastructure</a> implementation. <br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d" id="r_aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function to test a simple search before and after deleting an entry. And to test out the multiple variants of search. <br /></td></tr>
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<tr class="memdesc:abf9e6b7e6f15df4b525a2e7705ba3089"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://iq.opengenus.org/autocomplete-using-trie-data-structure/" target="_blank">Trie datastructure</a> with search variants </p>
<p>This provides multiple variants of search functions on a trie structure utilizing STL. The trie is valid for only English alphabets. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/g-s-k-zoro" target="_blank">Ghanashyam</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../d7/def/trie__multiple__search_8cpp_source.html">trie_multiple_search.cpp</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#abf9e6b7e6f15df4b525a2e7705ba3089">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>argc</em></span>, </td>
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<td class="paramkey"></td>
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<p>Main function. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">argc</td><td>commandline argument count (ignored) </td></tr>
<tr><td class="paramname">argv</td><td>commandline array of arguments (ignored) </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d7/def/trie__multiple__search_8cpp_source.html#l00466">466</a> of file <a class="el" href="../../d7/def/trie__multiple__search_8cpp_source.html">trie_multiple_search.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 466</span> {</div>
<div class="line"><span class="lineno"> 467</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><span class="lineno"> 468</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 469</span>}</div>
<div class="ttc" id="atrie__multiple__search_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Function to test a simple search before and after deleting an entry. And to test out the multiple var...</div><div class="ttdef"><b>Definition</b> <a href="../../d7/def/trie__multiple__search_8cpp_source.html#l00425">trie_multiple_search.cpp:425</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8dca7b867074164d5f45b0f3851269d">&#9670;&#160;</a></span>test()</h2>
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<td class="memname">static void test </td>
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<p>Function to test a simple search before and after deleting an entry. And to test out the multiple variants of search. </p>
<p class="definition">Definition at line <a class="el" href="../../d7/def/trie__multiple__search_8cpp_source.html#l00425">425</a> of file <a class="el" href="../../d7/def/trie__multiple__search_8cpp_source.html">trie_multiple_search.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 425</span> {</div>
<div class="line"><span class="lineno"> 426</span> <span class="keyword">auto</span> root = <span class="keyword">new</span> <a class="code hl_class" href="../../d0/d5f/classoperations__on__datastructures_1_1trie__operations_1_1_tnode.html">operations_on_datastructures::trie_operations::Tnode</a>();</div>
<div class="line"><span class="lineno"> 427</span> std::vector&lt;std::string&gt; inputs = {</div>
<div class="line"><span class="lineno"> 428</span> <span class="stringliteral">&quot;abcde&quot;</span>, <span class="stringliteral">&quot;sss&quot;</span>, <span class="stringliteral">&quot;ssss&quot;</span>, <span class="stringliteral">&quot;ssst&quot;</span>, <span class="stringliteral">&quot;sssu&quot;</span>, <span class="stringliteral">&quot;sssv&quot;</span>,</div>
<div class="line"><span class="lineno"> 429</span> <span class="stringliteral">&quot;sst&quot;</span>, <span class="stringliteral">&quot;ssts&quot;</span>, <span class="stringliteral">&quot;sstt&quot;</span>, <span class="stringliteral">&quot;sstu&quot;</span>, <span class="stringliteral">&quot;tutu&quot;</span>, <span class="stringliteral">&quot;tutuv&quot;</span>,</div>
<div class="line"><span class="lineno"> 430</span> <span class="stringliteral">&quot;tutuu&quot;</span>, <span class="stringliteral">&quot;tutuvs&quot;</span>, <span class="stringliteral">&quot;tutus&quot;</span>, <span class="stringliteral">&quot;tvst&quot;</span>, <span class="stringliteral">&quot;tvsu&quot;</span>, <span class="stringliteral">&quot;vvvv&quot;</span>};</div>
<div class="line"><span class="lineno"> 431</span> </div>
<div class="line"><span class="lineno"> 432</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> &amp;i : inputs) {</div>
<div class="line"><span class="lineno"> 433</span> root-&gt;Insert(i);</div>
<div class="line"><span class="lineno"> 434</span> }</div>
<div class="line"><span class="lineno"> 435</span> <span class="comment">// Search an existing entry</span></div>
<div class="line"><span class="lineno"> 436</span> assert(root-&gt;SearchPresence(<span class="stringliteral">&quot;vvvv&quot;</span>));</div>
<div class="line"><span class="lineno"> 437</span> std::cout &lt;&lt; root-&gt;SearchPresence(<span class="stringliteral">&quot;vvvv&quot;</span>) &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 438</span> <span class="comment">// Delete it</span></div>
<div class="line"><span class="lineno"> 439</span> root-&gt;Delete(<span class="stringliteral">&quot;vvvv&quot;</span>);</div>
<div class="line"><span class="lineno"> 440</span> <span class="comment">// Search for the entry again</span></div>
<div class="line"><span class="lineno"> 441</span> assert(!root-&gt;SearchPresence(<span class="stringliteral">&quot;vvvv&quot;</span>));</div>
<div class="line"><span class="lineno"> 442</span> std::cout &lt;&lt; root-&gt;SearchPresence(<span class="stringliteral">&quot;vvvv&quot;</span>) &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 443</span> </div>
<div class="line"><span class="lineno"> 444</span> std::cout &lt;&lt; root-&gt;SearchPresence(<span class="stringliteral">&quot;tutu&quot;</span>) &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 445</span> root-&gt;SearchSuggestions(<span class="stringliteral">&quot;tutu&quot;</span>);</div>
<div class="line"><span class="lineno"> 446</span> std::cout &lt;&lt; root-&gt;SearchPresence(<span class="stringliteral">&quot;tutu&quot;</span>) &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 447</span> </div>
<div class="line"><span class="lineno"> 448</span> root-&gt;SearchSuggestions(<span class="stringliteral">&quot;tutuv&quot;</span>);</div>
<div class="line"><span class="lineno"> 449</span> std::cout &lt;&lt; root-&gt;SearchPresence(<span class="stringliteral">&quot;tutuv&quot;</span>) &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 450</span> </div>
<div class="line"><span class="lineno"> 451</span> root-&gt;SearchSuggestions(<span class="stringliteral">&quot;tutuvs&quot;</span>);</div>
<div class="line"><span class="lineno"> 452</span> </div>
<div class="line"><span class="lineno"> 453</span> root-&gt;SearchFreqSuggestions(</div>
<div class="line"><span class="lineno"> 454</span> <span class="stringliteral">&quot;tu&quot;</span>); <span class="comment">// The top 3 frequent entries with prefix tu are tutu, tutuv &amp;</span></div>
<div class="line"><span class="lineno"> 455</span> <span class="comment">// tutuvs respectively</span></div>
<div class="line"><span class="lineno"> 456</span> root-&gt;SearchSuggestions(</div>
<div class="line"><span class="lineno"> 457</span> <span class="stringliteral">&quot;&quot;</span>); <span class="comment">// Empty search to list all the entries in the trie</span></div>
<div class="line"><span class="lineno"> 458</span>}</div>
<div class="ttc" id="aclassoperations__on__datastructures_1_1trie__operations_1_1_tnode_html"><div class="ttname"><a href="../../d0/d5f/classoperations__on__datastructures_1_1trie__operations_1_1_tnode.html">operations_on_datastructures::trie_operations::Tnode</a></div><div class="ttdoc">Class defining the structure of trie node and containing the methods to perform operations on them.</div><div class="ttdef"><b>Definition</b> <a href="../../d7/def/trie__multiple__search_8cpp_source.html#l00037">trie_multiple_search.cpp:37</a></div></div>
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