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<p>Chain class with a given modulus.
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Collaboration diagram for hash_chain:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a80c8b902a15b4fd062ed727ecf8f3595" id="r_a80c8b902a15b4fd062ed727ecf8f3595"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="#a80c8b902a15b4fd062ed727ecf8f3595">hash_chain</a> (int mod)</td></tr>
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<tr class="memdesc:a80c8b902a15b4fd062ed727ecf8f3595"><td class="mdescLeft"> </td><td class="mdescRight">Construct a new chain object. <br /></td></tr>
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<tr class="memitem:a6b4b4de1a8c96f98a63a77f650a9dcff" id="r_a6b4b4de1a8c96f98a63a77f650a9dcff"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a6b4b4de1a8c96f98a63a77f650a9dcff">add</a> (int x, int <a class="el" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>)</td></tr>
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<tr class="memdesc:a6b4b4de1a8c96f98a63a77f650a9dcff"><td class="mdescLeft"> </td><td class="mdescRight">create and add a new node with a give value and at a given height <br /></td></tr>
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<tr class="memitem:a706964ad13587fc9a8b3fe8381d410ed" id="r_a706964ad13587fc9a8b3fe8381d410ed"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a706964ad13587fc9a8b3fe8381d410ed">display</a> ()</td></tr>
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<tr class="memdesc:a706964ad13587fc9a8b3fe8381d410ed"><td class="mdescLeft"> </td><td class="mdescRight">Display the chain. <br /></td></tr>
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<tr class="memitem:a846a2f921f8fb7ea572e03901b671d64" id="r_a846a2f921f8fb7ea572e03901b671d64"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="#a846a2f921f8fb7ea572e03901b671d64">hash</a> (int x) const</td></tr>
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<tr class="memdesc:a846a2f921f8fb7ea572e03901b671d64"><td class="mdescLeft"> </td><td class="mdescRight">Compute the hash of a value for current chain. <br /></td></tr>
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<tr class="memitem:a55aa5c6753cb8853152d469c375d946a" id="r_a55aa5c6753cb8853152d469c375d946a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="#a55aa5c6753cb8853152d469c375d946a">find</a> (int x, int <a class="el" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>) const</td></tr>
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<tr class="memdesc:a55aa5c6753cb8853152d469c375d946a"><td class="mdescLeft"> </td><td class="mdescRight">Find if a value and corresponding hash exist. <br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-pri-types" class="groupheader"><a id="pri-types" name="pri-types"></a>
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Private Types</h2></td></tr>
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<tr class="memitem:a8b204861e9470377c956d3b5cd313036" id="r_a8b204861e9470377c956d3b5cd313036"><td class="memItemLeft" align="right" valign="top">using </td><td class="memItemRight" valign="bottom"><a class="el" href="#a8b204861e9470377c956d3b5cd313036">Node</a></td></tr>
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<tr class="memdesc:a8b204861e9470377c956d3b5cd313036"><td class="mdescLeft"> </td><td class="mdescRight">Define a linked node. <br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-pri-attribs" class="groupheader"><a id="pri-attribs" name="pri-attribs"></a>
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Private Attributes</h2></td></tr>
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<tr class="memitem:ae8457d13620497fa2046ac566252c4b0" id="r_ae8457d13620497fa2046ac566252c4b0"><td class="memItemLeft" align="right" valign="top">std::vector< std::shared_ptr< <a class="el" href="#a8b204861e9470377c956d3b5cd313036">Node</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae8457d13620497fa2046ac566252c4b0">head</a></td></tr>
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<tr class="memdesc:ae8457d13620497fa2046ac566252c4b0"><td class="mdescLeft"> </td><td class="mdescRight">array of nodes <br /></td></tr>
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<tr class="memitem:ae9ddce410015ed8dda6380130d82d6c2" id="r_ae9ddce410015ed8dda6380130d82d6c2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ae9ddce410015ed8dda6380130d82d6c2">_mod</a></td></tr>
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<tr class="memdesc:ae9ddce410015ed8dda6380130d82d6c2"><td class="mdescLeft"> </td><td class="mdescRight">modulus of the class <br /></td></tr>
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</table>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Chain class with a given modulus. </p>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00016">16</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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</div><a name="doc-typedef-members" id="doc-typedef-members"></a><h2 id="header-doc-typedef-members" class="groupheader">Member Typedef Documentation</h2>
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<a id="a8b204861e9470377c956d3b5cd313036" name="a8b204861e9470377c956d3b5cd313036"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a8b204861e9470377c956d3b5cd313036">◆ </a></span>Node</h2>
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<div class="memproto">
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<td class="memname">using <a class="el" href="#a8b204861e9470377c956d3b5cd313036">hash_chain::Node</a></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel private">private</span></span> </td>
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<b>Initial value:</b><div class="fragment"><div class="line"> <span class="keyword">struct </span>Node {</div>
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<div class="line"> <span class="keywordtype">int</span> data{}; </div>
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<div class="line"> std::shared_ptr<struct Node> next; </div>
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<div class="line"> }</div>
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</div><!-- fragment -->
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<p>Define a linked node. </p>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00021">21</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 21</span> {</div>
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<div class="line"><span class="lineno"> 22</span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>{}; </div>
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<div class="line"><span class="lineno"> 23</span> std::shared_ptr<struct Node> next; </div>
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<div class="line"><span class="lineno"> 24</span> };</div>
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<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>
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</div><!-- fragment -->
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<a name="doc-constructors" id="doc-constructors"></a><h2 id="header-doc-constructors" class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a80c8b902a15b4fd062ed727ecf8f3595" name="a80c8b902a15b4fd062ed727ecf8f3595"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a80c8b902a15b4fd062ed727ecf8f3595">◆ </a></span>hash_chain()</h2>
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<td class="memname">hash_chain::hash_chain </td>
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<td>(</td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>mod</em></span></td><td>)</td>
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<span class="mlabels"><span class="mlabel inline">inline</span><span class="mlabel explicit">explicit</span></span> </td>
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<p>Construct a new chain object. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">mod</td><td>modulus of the chain </td></tr>
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</table>
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</dd>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00035">35</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 35</span> : <a class="code hl_variable" href="#ae9ddce410015ed8dda6380130d82d6c2">_mod</a>(mod) {</div>
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<div class="line"><span class="lineno"> 36</span> <span class="keywordflow">while</span> (mod--) <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>.push_back(<span class="keyword">nullptr</span>);</div>
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<div class="line"><span class="lineno"> 37</span> }</div>
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<div class="ttc" id="aclasshash__chain_html_ae8457d13620497fa2046ac566252c4b0"><div class="ttname"><a href="#ae8457d13620497fa2046ac566252c4b0">hash_chain::head</a></div><div class="ttdeci">std::vector< std::shared_ptr< Node > > head</div><div class="ttdoc">array of nodes</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d92/chaining_8cpp_source.html#l00026">chaining.cpp:26</a></div></div>
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<div class="ttc" id="aclasshash__chain_html_ae9ddce410015ed8dda6380130d82d6c2"><div class="ttname"><a href="#ae9ddce410015ed8dda6380130d82d6c2">hash_chain::_mod</a></div><div class="ttdeci">int _mod</div><div class="ttdoc">modulus of the class</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d92/chaining_8cpp_source.html#l00027">chaining.cpp:27</a></div></div>
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<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
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<a id="a6b4b4de1a8c96f98a63a77f650a9dcff" name="a6b4b4de1a8c96f98a63a77f650a9dcff"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a6b4b4de1a8c96f98a63a77f650a9dcff">◆ </a></span>add()</h2>
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<td class="memname">void hash_chain::add </td>
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<td>(</td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>x</em></span>, </td>
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<td class="paramtype">int</td> <td class="paramname"><span class="paramname"><em>h</em></span> )</td>
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<p>create and add a new node with a give value and at a given height </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>value at the new node </td></tr>
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<tr><td class="paramname">h</td><td>height of the node </td></tr>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00045">45</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 45</span> {</div>
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<div class="line"><span class="lineno"> 46</span> std::shared_ptr<Node> curr;</div>
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<div class="line"><span class="lineno"> 47</span> std::shared_ptr<Node> temp(<span class="keyword">new</span> <a class="code hl_typedef" href="#a8b204861e9470377c956d3b5cd313036">Node</a>);</div>
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<div class="line"><span class="lineno"> 48</span> temp->data = x;</div>
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<div class="line"><span class="lineno"> 49</span> temp->next = <span class="keyword">nullptr</span>;</div>
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<div class="line"><span class="lineno"> 50</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>]) {</div>
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<div class="line"><span class="lineno"> 51</span> <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>] = temp;</div>
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<div class="line"><span class="lineno"> 52</span> curr = <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>];</div>
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<div class="line"><span class="lineno"> 53</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 54</span> curr = <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>];</div>
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<div class="line"><span class="lineno"> 55</span> <span class="keywordflow">while</span> (curr->next) curr = curr->next;</div>
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<div class="line"><span class="lineno"> 56</span> curr->next = temp;</div>
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<div class="line"><span class="lineno"> 57</span> }</div>
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<div class="line"><span class="lineno"> 58</span> }</div>
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<div class="ttc" id="aclasshash__chain_html_a8b204861e9470377c956d3b5cd313036"><div class="ttname"><a href="#a8b204861e9470377c956d3b5cd313036">hash_chain::Node</a></div><div class="ttdeci">struct Node { int data{}; std::shared_ptr< struct Node > next; } Node</div><div class="ttdoc">Define a linked node.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d92/chaining_8cpp_source.html#l00021">chaining.cpp:21</a></div></div>
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<div class="ttc" id="ahash__search_8cpp_html_a566eaf0ffafd50bc61e644561fd27001"><div class="ttname"><a href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a></div><div class="ttdeci">int h(int key)</div><div class="ttdef"><b>Definition</b> <a href="../../d1/df3/hash__search_8cpp_source.html#l00045">hash_search.cpp:45</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a706964ad13587fc9a8b3fe8381d410ed">◆ </a></span>display()</h2>
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<p>Display the chain. </p>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00063">63</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 63</span> {</div>
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<div class="line"><span class="lineno"> 64</span> std::shared_ptr<Node> temp = <span class="keyword">nullptr</span>;</div>
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<div class="line"><span class="lineno"> 65</span> <span class="keywordtype">int</span> i = 0;</div>
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<div class="line"><span class="lineno"> 66</span> <span class="keywordflow">for</span> (i = 0; i < <a class="code hl_variable" href="#ae9ddce410015ed8dda6380130d82d6c2">_mod</a>; i++) {</div>
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<div class="line"><span class="lineno"> 67</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[i]) {</div>
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<div class="line"><span class="lineno"> 68</span> std::cout << <span class="stringliteral">"Key "</span> << i << <span class="stringliteral">" is empty"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 69</span> } <span class="keywordflow">else</span> {</div>
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<div class="line"><span class="lineno"> 70</span> std::cout << <span class="stringliteral">"Key "</span> << i << <span class="stringliteral">" has values = "</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 71</span> temp = <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[i];</div>
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<div class="line"><span class="lineno"> 72</span> <span class="keywordflow">while</span> (temp->next) {</div>
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<div class="line"><span class="lineno"> 73</span> std::cout << temp->data << <span class="stringliteral">" "</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 74</span> temp = temp->next;</div>
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<div class="line"><span class="lineno"> 75</span> }</div>
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<div class="line"><span class="lineno"> 76</span> std::cout << temp->data;</div>
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<div class="line"><span class="lineno"> 77</span> std::cout << std::endl;</div>
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<div class="line"><span class="lineno"> 78</span> }</div>
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<div class="line"><span class="lineno"> 79</span> }</div>
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<div class="line"><span class="lineno"> 80</span> }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a55aa5c6753cb8853152d469c375d946a">◆ </a></span>find()</h2>
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<p>Find if a value and corresponding hash exist. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">h</td><td>corresponding hash key </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><span class="tt">true</span> if element found </dd>
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<span class="tt">false</span> if element not found </dd></dl>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00101">101</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 101</span> {</div>
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<div class="line"><span class="lineno"> 102</span> std::shared_ptr<Node> temp = <a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>];</div>
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<div class="line"><span class="lineno"> 103</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="#ae8457d13620497fa2046ac566252c4b0">head</a>[<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>]) {</div>
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<div class="line"><span class="lineno"> 104</span> <span class="comment">// index does not exist!</span></div>
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<div class="line"><span class="lineno"> 105</span> std::cout << <span class="stringliteral">"Element not found"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 106</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><span class="lineno"> 107</span> }</div>
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<div class="line"><span class="lineno"> 108</span> </div>
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<div class="line"><span class="lineno"> 109</span> <span class="comment">// scan for data value</span></div>
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<div class="line"><span class="lineno"> 110</span> <span class="keywordflow">while</span> (temp->data != x && temp->next) temp = temp->next;</div>
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<div class="line"><span class="lineno"> 111</span> </div>
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<div class="line"><span class="lineno"> 112</span> <span class="keywordflow">if</span> (temp->next) {</div>
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<div class="line"><span class="lineno"> 113</span> std::cout << <span class="stringliteral">"Element found"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 114</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><span class="lineno"> 115</span> }</div>
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<div class="line"><span class="lineno"> 116</span> </div>
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<div class="line"><span class="lineno"> 117</span> <span class="comment">// implicit else condition</span></div>
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<div class="line"><span class="lineno"> 118</span> <span class="comment">// i.e., temp->next == nullptr</span></div>
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<div class="line"><span class="lineno"> 119</span> <span class="keywordflow">if</span> (temp->data == x) {</div>
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<div class="line"><span class="lineno"> 120</span> std::cout << <span class="stringliteral">"Element found"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 121</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><span class="lineno"> 122</span> }</div>
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<div class="line"><span class="lineno"> 123</span> </div>
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<div class="line"><span class="lineno"> 124</span> <span class="comment">// further implicit else condition</span></div>
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<div class="line"><span class="lineno"> 125</span> std::cout << <span class="stringliteral">"Element not found"</span> << std::endl;</div>
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<div class="line"><span class="lineno"> 126</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><span class="lineno"> 127</span> }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a846a2f921f8fb7ea572e03901b671d64">◆ </a></span>hash()</h2>
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<p>Compute the hash of a value for current chain. </p>
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<tr><td class="paramname">x</td><td>value to compute modulus of </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>modulus of <span class="tt">x</span> </dd></dl>
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<dl class="section note"><dt>Note</dt><dd>declared as a <a href="https://en.cppreference.com/w/cpp/language/virtual" target="_blank"><span class="tt">virtual</span></a> so that custom implementations of the class can modify the hash function. </dd></dl>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00091">91</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 91</span>{ <span class="keywordflow">return</span> x % <a class="code hl_variable" href="#ae9ddce410015ed8dda6380130d82d6c2">_mod</a>; }</div>
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<a name="doc-variable-members" id="doc-variable-members"></a><h2 id="header-doc-variable-members" class="groupheader">Member Data Documentation</h2>
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<p>modulus of the class </p>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00027">27</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae8457d13620497fa2046ac566252c4b0">◆ </a></span>head</h2>
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<td class="memname">std::vector<std::shared_ptr<<a class="el" href="#a8b204861e9470377c956d3b5cd313036">Node</a>> > hash_chain::head</td>
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<p>array of nodes </p>
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<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00026">26</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>hashing/<a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a></li>
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