Files
C-Plus-Plus/d9/d92/chaining_8cpp.html
2025-07-09 10:53:16 +00:00

246 lines
16 KiB
HTML

<!-- HTML header for doxygen 1.12.0-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.14.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>TheAlgorithms/C++: hashing/chaining.cpp File Reference</title>
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
<script type="text/javascript">
DoxygenAwesomeDarkModeToggle.init()
</script>
<script type="text/javascript" src="../../clipboard.js"></script>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.js"></script>
<script type="text/javascript" src="../../cookie.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
window.MathJax = {
options: {
ignoreHtmlClass: 'tex2jax_ignore',
processHtmlClass: 'tex2jax_process'
},
loader: {
load: ['[tex]/ams']
},
tex: {
macros: {},
packages: ['base','configmacros','ams']
}
};
</script>
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
<td id="projectalign">
<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
</div>
<div id="projectbrief">All the algorithms implemented in C++</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.14.0 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
</script>
<script type="text/javascript">
$(function() { codefold.init(); });
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('../../',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(function(){initNavTree('d9/d92/chaining_8cpp.html','../../',''); });
</script>
<div id="container">
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="headertitle"><div class="title">chaining.cpp File Reference</div></div>
</div><!--header-->
<div class="contents">
<p>Implementation of <a href="https://en.wikipedia.org/wiki/Hash_chain" target="_blank">hash chains</a>.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;cmath&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;memory&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for chaining.cpp:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="../../df/d57/chaining_8cpp__incl.svg" width="336" height="111"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
</div>
<p><a href="../../d9/d92/chaining_8cpp_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-nested-classes" class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:hash_5Fchain" id="r_hash_5Fchain"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dd/d1c/classhash__chain.html">hash_chain</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Chain class with a given modulus. <a href="../../dd/d1c/classhash__chain.html#details">More...</a><br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implementation of <a href="https://en.wikipedia.org/wiki/Hash_chain" target="_blank">hash chains</a>. </p>
<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/vasutomar" target="_blank">vasutomar</a> </dd>
<dd>
<a href="https://github.com/kvedala" target="_blank">Krishna Vedala</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Main function </p><dl class="section return"><dt>Returns</dt><dd><span class="tt">0</span> always </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d9/d92/chaining_8cpp_source.html#l00133">133</a> of file <a class="el" href="../../d9/d92/chaining_8cpp_source.html">chaining.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 133</span> {</div>
<div class="line"><span class="lineno"> 134</span> <span class="keywordtype">int</span> c = 0, x = 0, mod = 0, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = 0;</div>
<div class="line"><span class="lineno"> 135</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter the size of Hash Table. = &quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 136</span> std::cin &gt;&gt; mod;</div>
<div class="line"><span class="lineno"> 137</span> </div>
<div class="line"><span class="lineno"> 138</span> <a class="code hl_class" href="../../dd/d1c/classhash__chain.html">hash_chain</a> mychain(mod);</div>
<div class="line"><span class="lineno"> 139</span> </div>
<div class="line"><span class="lineno"> 140</span> <span class="keywordtype">bool</span> loop = <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 141</span> <span class="keywordflow">while</span> (loop) {</div>
<div class="line"><span class="lineno"> 142</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 143</span> std::cout &lt;&lt; <span class="stringliteral">&quot;PLEASE CHOOSE -&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 144</span> std::cout &lt;&lt; <span class="stringliteral">&quot;1. Add element.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 145</span> std::cout &lt;&lt; <span class="stringliteral">&quot;2. Find element.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 146</span> std::cout &lt;&lt; <span class="stringliteral">&quot;3. Generate Hash.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 147</span> std::cout &lt;&lt; <span class="stringliteral">&quot;4. Display Hash table.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 148</span> std::cout &lt;&lt; <span class="stringliteral">&quot;5. Exit.&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 149</span> std::cin &gt;&gt; c;</div>
<div class="line"><span class="lineno"> 150</span> <span class="keywordflow">switch</span> (c) {</div>
<div class="line"><span class="lineno"> 151</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><span class="lineno"> 152</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter element to add = &quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 153</span> std::cin &gt;&gt; x;</div>
<div class="line"><span class="lineno"> 154</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = mychain.hash(x);</div>
<div class="line"><span class="lineno"> 155</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = std::abs(<a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>);</div>
<div class="line"><span class="lineno"> 156</span> mychain.add(x, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>);</div>
<div class="line"><span class="lineno"> 157</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 158</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><span class="lineno"> 159</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter element to search = &quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 160</span> std::cin &gt;&gt; x;</div>
<div class="line"><span class="lineno"> 161</span> <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a> = mychain.hash(x);</div>
<div class="line"><span class="lineno"> 162</span> mychain.find(x, <a class="code hl_function" href="../../d1/df3/hash__search_8cpp.html#a566eaf0ffafd50bc61e644561fd27001">h</a>);</div>
<div class="line"><span class="lineno"> 163</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 164</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><span class="lineno"> 165</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Enter element to generate hash = &quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 166</span> std::cin &gt;&gt; x;</div>
<div class="line"><span class="lineno"> 167</span> std::cout &lt;&lt; <span class="stringliteral">&quot;Hash of &quot;</span> &lt;&lt; x &lt;&lt; <span class="stringliteral">&quot; is = &quot;</span> &lt;&lt; mychain.hash(x)</div>
<div class="line"><span class="lineno"> 168</span> &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 169</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 170</span> <span class="keywordflow">case</span> 4:</div>
<div class="line"><span class="lineno"> 171</span> mychain.display();</div>
<div class="line"><span class="lineno"> 172</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 173</span> <span class="keywordflow">default</span>:</div>
<div class="line"><span class="lineno"> 174</span> loop = <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 175</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 176</span> }</div>
<div class="line"><span class="lineno"> 177</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><span class="lineno"> 178</span> }</div>
<div class="line"><span class="lineno"> 179</span> <span class="comment">/*add(1,&amp;head1);</span></div>
<div class="line"><span class="lineno"> 180</span><span class="comment"> add(2,&amp;head1);</span></div>
<div class="line"><span class="lineno"> 181</span><span class="comment"> add(3,&amp;head2);</span></div>
<div class="line"><span class="lineno"> 182</span><span class="comment"> add(5,&amp;head1);</span></div>
<div class="line"><span class="lineno"> 183</span><span class="comment"> display(&amp;head1);</span></div>
<div class="line"><span class="lineno"> 184</span><span class="comment"> display(&amp;head2);*/</span></div>
<div class="line"><span class="lineno"> 185</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 186</span>}</div>
<div class="ttc" id="aclasshash__chain_html"><div class="ttname"><a href="../../dd/d1c/classhash__chain.html">hash_chain</a></div><div class="ttdoc">Chain class with a given modulus.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d92/chaining_8cpp_source.html#l00016">chaining.cpp:16</a></div></div>
<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>
</div><!-- fragment -->
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<div id="page-nav" class="page-nav-panel">
<div id="page-nav-resize-handle"></div>
<div id="page-nav-tree">
<div id="page-nav-contents">
</div><!-- page-nav-contents -->
</div><!-- page-nav-tree -->
</div><!-- page-nav -->
</div><!-- container -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a href="../../dir_ece9b94c107bbaa1dd68197a8c9983b9.html">hashing</a></li><li class="navelem"><a href="../../d9/d92/chaining_8cpp.html">chaining.cpp</a></li>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.14.0 </li>
</ul>
</div>
</body>
</html>