backup/C-Plus-Plus
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/C-Plus-Plus.git synced 2026-03-22 04:42:10 +08:00
Code Issues Projects Releases Wiki Activity
Files
28910f20f928051925ffd4c8def24d6b8b2538dd
C-Plus-Plus/df/dce/namespacegraph.html
github-actions 15227efd51 Documentation for 7559610a84
2020-08-08 12:32:51 +00:00

311 lines
21 KiB
HTML
Raw Blame History

<!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">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.18"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Algorithms_in_C++: graph Namespace Reference</title>
<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>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../resize.js"></script>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.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/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js", "TeX/AMSmath.js", "TeX/AMSsymbols.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script>
<script type="text/javascript" async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML/MathJax.js"></script>
<link href="../../doxygen.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 style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">Algorithms_in_C++
&#160;<span id="projectnumber">1.0.0</span>
</div>
<div id="projectbrief">Set of algorithms implemented in C++.</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.18 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</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">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('df/dce/namespacegraph.html','../../'); initResizable(); });
/* @license-end */
</script>
<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">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="summary">
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">graph Namespace Reference</div> </div>
</div><!--header-->
<div class="contents">
<p><a class="el" href="../../da/d9a/class_graph.html">Graph</a> algorithms.
<a href="../../df/dce/namespacegraph.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:adbe6cd1fd148173ce6a01669925d2d72"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#adbe6cd1fd148173ce6a01669925d2d72">add_directed_edge</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; *<a class="el" href="../../dd/d9b/classgraph.html">graph</a>, int u, int v)</td></tr>
<tr class="memdesc:adbe6cd1fd148173ce6a01669925d2d72"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds a directed edge from vertex u to vertex v. <a href="../../df/dce/namespacegraph.html#adbe6cd1fd148173ce6a01669925d2d72">More...</a><br /></td></tr>
<tr class="separator:adbe6cd1fd148173ce6a01669925d2d72"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a59b4441a0e447469e9a4f61c87f33102"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a59b4441a0e447469e9a4f61c87f33102">add_undirected_edge</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; *<a class="el" href="../../dd/d9b/classgraph.html">graph</a>, int u, int v)</td></tr>
<tr class="memdesc:a59b4441a0e447469e9a4f61c87f33102"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds an undirected edge from vertex u to vertex v. Essentially adds too directed edges to the adjacency list reprsentation of the graph. <a href="../../df/dce/namespacegraph.html#a59b4441a0e447469e9a4f61c87f33102">More...</a><br /></td></tr>
<tr class="separator:a59b4441a0e447469e9a4f61c87f33102"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a618dce14b4883c20aace1d743d3a3f60"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; bool &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/dce/namespacegraph.html#a618dce14b4883c20aace1d743d3a3f60">breadth_first_search</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; &amp;<a class="el" href="../../dd/d9b/classgraph.html">graph</a>, int start)</td></tr>
<tr class="memdesc:a618dce14b4883c20aace1d743d3a3f60"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function performs the breadth first search algorithm over the graph. <a href="../../df/dce/namespacegraph.html#a618dce14b4883c20aace1d743d3a3f60">More...</a><br /></td></tr>
<tr class="separator:a618dce14b4883c20aace1d743d3a3f60"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="../../da/d9a/class_graph.html">Graph</a> algorithms. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="adbe6cd1fd148173ce6a01669925d2d72"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adbe6cd1fd148173ce6a01669925d2d72">&#9670;&nbsp;</a></span>add_directed_edge()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void graph::add_directed_edge </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; *&#160;</td>
<td class="paramname"><em>graph</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>u</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>v</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Adds a directed edge from vertex u to vertex v. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">graph</td><td>Adjacency list representation of graph </td></tr>
<tr><td class="paramname">u</td><td>first vertex </td></tr>
<tr><td class="paramname">v</td><td>second vertex </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; (*graph)[u].push_back(v);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;}</div>
</div><!-- fragment -->
</div>
</div>
<a id="a59b4441a0e447469e9a4f61c87f33102"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a59b4441a0e447469e9a4f61c87f33102">&#9670;&nbsp;</a></span>add_undirected_edge()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void graph::add_undirected_edge </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; *&#160;</td>
<td class="paramname"><em>graph</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>u</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>v</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Adds an undirected edge from vertex u to vertex v. Essentially adds too directed edges to the adjacency list reprsentation of the graph. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">graph</td><td>Adjacency list representation of graph </td></tr>
<tr><td class="paramname">u</td><td>first vertex </td></tr>
<tr><td class="paramname">v</td><td>second vertex </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="../../df/dce/namespacegraph.html#adbe6cd1fd148173ce6a01669925d2d72">add_directed_edge</a>(<a class="code" href="../../df/dce/namespacegraph.html">graph</a>, u, v);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <a class="code" href="../../df/dce/namespacegraph.html#adbe6cd1fd148173ce6a01669925d2d72">add_directed_edge</a>(<a class="code" href="../../df/dce/namespacegraph.html">graph</a>, v, u);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;}</div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../df/dce/namespacegraph_a59b4441a0e447469e9a4f61c87f33102_cgraph.svg" width="415" height="38"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
</div>
</div>
</div>
</div>
<a id="a618dce14b4883c20aace1d743d3a3f60"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a618dce14b4883c20aace1d743d3a3f60">&#9670;&nbsp;</a></span>breadth_first_search()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt;bool&gt; graph::breadth_first_search </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int &gt;&gt; &amp;&#160;</td>
<td class="paramname"><em>graph</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>start</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Function performs the breadth first search algorithm over the graph. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">graph</td><td>Adjacency list representation of graph </td></tr>
<tr><td class="paramname">start</td><td>vertex from where traversing starts </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a binary vector indicating which vertices were visited during the search. </dd></dl>
<p>vector to keep track of visited vertices</p>
<p>a queue that stores vertices that need to be further explored</p>
<p>mark the starting vertex as visited</p>
<p>if the vertex is not visited then mark it as visited and push it to the queue</p>
<div class="fragment"><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; {<span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment"> /// vector to keep track of visited vertices</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="comment"></span> <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt;bool&gt;</a> visited(<a class="code" href="../../df/dce/namespacegraph.html">graph</a>.size(), <span class="keyword">false</span>);<span class="comment"></span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="comment"> /// a queue that stores vertices that need to be further explored</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="comment"></span> <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue.html">std::queue&lt;int&gt;</a> tracker;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="comment"> /// mark the starting vertex as visited</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="comment"></span> visited[start] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; tracker.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue/push.html">push</a>(start);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">while</span> (!tracker.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue/empty.html">empty</a>()) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordtype">size_t</span> vertex = tracker.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue/front.html">front</a>();</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; tracker.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue/pop.html">pop</a>();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> x : <a class="code" href="../../df/dce/namespacegraph.html">graph</a>[vertex]) {<span class="comment"></span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="comment"> /// if the vertex is not visited then mark it as visited</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="comment"> /// and push it to the queue</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="comment"></span> <span class="keywordflow">if</span> (!visited[x]) {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; visited[x] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; tracker.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue/push.html">push</a>(x);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">return</span> visited;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;}</div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../df/dce/namespacegraph_a618dce14b4883c20aace1d743d3a3f60_cgraph.svg" width="320" height="190"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
</div>
</div>
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt; bool &gt;</a></div></div>
<div class="ttc" id="anamespacegraph_html_adbe6cd1fd148173ce6a01669925d2d72"><div class="ttname"><a href="../../df/dce/namespacegraph.html#adbe6cd1fd148173ce6a01669925d2d72">graph::add_directed_edge</a></div><div class="ttdeci">void add_directed_edge(std::vector&lt; std::vector&lt; int &gt;&gt; *graph, int u, int v)</div><div class="ttdoc">Adds a directed edge from vertex u to vertex v.</div><div class="ttdef"><b>Definition:</b> breadth_first_search.cpp:66</div></div>
<div class="ttc" id="aqueue_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue.html">std::queue</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="afront_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue/front.html">std::queue::front</a></div><div class="ttdeci">T front(T... args)</div></div>
<div class="ttc" id="apop_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue/pop.html">std::queue::pop</a></div><div class="ttdeci">T pop(T... args)</div></div>
<div class="ttc" id="anamespacegraph_html"><div class="ttname"><a href="../../df/dce/namespacegraph.html">graph</a></div><div class="ttdoc">Graph algorithms.</div></div>
<div class="ttc" id="aempty_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue/empty.html">std::queue::empty</a></div><div class="ttdeci">T empty(T... args)</div></div>
<div class="ttc" id="apush_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue/push.html">std::queue::push</a></div><div class="ttdeci">T push(T... args)</div></div>
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../df/dce/namespacegraph.html">graph</a></li>
<li class="footer">Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="../../doxygen.png" alt="doxygen"/></a> 1.8.18 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink