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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="extract.html" title="cpp/container/unordered multimap/extract"><span class="t-lines"><span>unordered_multimap::extract</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="merge.html" title="cpp/container/unordered multimap/merge"><span class="t-lines"><span>unordered_multimap::merge</span></span></a></div><div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx17">(C++17)</span></span></span></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="count.html" title="cpp/container/unordered multimap/count"><span class="t-lines"><span>unordered_multimap::count</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="begin2.html" title="cpp/container/unordered multimap/begin2"><span class="t-lines"><span>unordered_multimap::begin2</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="bucket_size.html" title="cpp/container/unordered multimap/bucket size"><span class="t-lines"><span>unordered_multimap::bucket_size</span></span></a></div></div></td></tr>
<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="bucket.html" title="cpp/container/unordered multimap/bucket"><span class="t-lines"><span>unordered_multimap::bucket</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="load_factor.html" title="cpp/container/unordered multimap/load factor"><span class="t-lines"><span>unordered_multimap::load_factor</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="reserve.html" title="cpp/container/unordered multimap/reserve"><span class="t-lines"><span>unordered_multimap::reserve</span></span></a></div></div></td></tr>
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<tr class="t-nv"><td colspan="5"><div class="t-nv-ln-table"><div><a href="key_eq.html" title="cpp/container/unordered multimap/key eq"><span class="t-lines"><span>unordered_multimap::key_eq</span></span></a></div></div></td></tr>
</table></div><div><span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/unordered_multimap/navbar_content&action=edit">[edit]</a></span></div></div></div></div><div class="t-navbar-sep"> </div></div>
<table class="t-dcl-begin"><tbody>
<tr class="t-dcl">
<td> <div><span class="mw-geshi cpp source-cpp">iterator find<span class="br0">(</span> <span class="kw4">const</span> Key<span class="sy3">&</span> key <span class="br0">)</span><span class="sy4">;</span></span></div></td>
<td> (1) </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl">
<td> <div><span class="mw-geshi cpp source-cpp">const_iterator find<span class="br0">(</span> <span class="kw4">const</span> Key<span class="sy3">&</span> key <span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div></td>
<td> (2) </td>
<td class="t-dcl-nopad"> </td>
</tr>
<tr class="t-dcl-sep"><td></td><td></td><td></td></tr>
</tbody></table>
<div class="t-li1"><span class="t-li">1,2)</span> Finds an element with key equivalent to <code>key</code>. </div>
<p><br />
</p>
<table id="toc" class="toc"><tr><td><div id="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1"><a href="find.html#Parameters"><span class="tocnumber">1</span> <span class="toctext">Parameters</span></a></li>
<li class="toclevel-1"><a href="find.html#Return_value"><span class="tocnumber">2</span> <span class="toctext">Return value</span></a></li>
<li class="toclevel-1"><a href="find.html#Complexity"><span class="tocnumber">3</span> <span class="toctext">Complexity</span></a></li>
<li class="toclevel-1"><a href="find.html#Example"><span class="tocnumber">4</span> <span class="toctext">Example</span></a></li>
<li class="toclevel-1"><a href="find.html#See_also"><span class="tocnumber">5</span> <span class="toctext">See also</span></a></li>
</ul>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/find&action=edit&section=T-1" title="Template:cpp/container/find">edit</a>]</span> <span class="mw-headline" id="Parameters">Parameters</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td> key
</td>
<td> -
</td>
<td> key value of the element to search for
<p><br />
</p>
</td></tr></table>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/find&action=edit&section=T-2" title="Template:cpp/container/find">edit</a>]</span> <span class="mw-headline" id="Return_value">Return value</span></h3>
<p>Iterator to an element with key equivalent to <code>key</code>. If no such element is found, past-the-end (see <span class="t-lc"><a href="end.html" title="cpp/container/unordered multimap/end">end()</a></span>) iterator is returned.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/find&action=edit&section=T-3" title="Template:cpp/container/find">edit</a>]</span> <span class="mw-headline" id="Complexity">Complexity</span></h3>
<p>Constant on average, worst case linear in the size of the container.
</p>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/find&action=edit&section=T-4" title="Template:cpp/container/find">edit</a>]</span> <span class="mw-headline" id="Example">Example</span></h3>
<div class="t-example"><div class="t-example-live-link"><div class="coliru-btn coliru-btn-run-init">Run this code</div></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="cpp source-cpp"><pre class="de1"><span class="co2">#include <iostream></span>
<span class="co2">#include <unordered_map></span>
 
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="../unordered_multimap.html"><span class="kw1292">std::<span class="me2">unordered_multimap</span></span></a><span class="sy1"><</span><span class="kw4">int</span>,<span class="kw4">char</span><span class="sy1">></span> example <span class="sy1">=</span> <span class="br0">{</span><span class="br0">{</span><span class="nu0">1</span>,<span class="st0">'a'</span><span class="br0">}</span>,<span class="br0">{</span><span class="nu0">2</span>,<span class="st0">'b'</span><span class="br0">}</span><span class="br0">}</span><span class="sy4">;</span>
 
<span class="kw4">auto</span> search <span class="sy1">=</span> example.<span class="me1">find</span><span class="br0">(</span><span class="nu0">2</span><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">if</span><span class="br0">(</span>search <span class="sy3">!</span><span class="sy1">=</span> example.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"Found "</span> <span class="sy1"><<</span> search<span class="sy2">-</span><span class="sy1">></span>first <span class="sy1"><<</span> <span class="st0">" "</span> <span class="sy1"><<</span> search<span class="sy2">-</span><span class="sy1">></span>second <span class="sy1"><<</span> <span class="st0">'<span class="es1">\n</span>'</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="kw1">else</span> <span class="br0">{</span>
<a href="../../io/cout.html"><span class="kw1755">std::<span class="me2">cout</span></span></a> <span class="sy1"><<</span> <span class="st0">"Not found<span class="es1">\n</span>"</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="br0">}</span></pre></div></div>
<p>Output:
</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;"><div class="text source-text"><pre class="de1">Found 2 b</pre></div></div>
</div>
<h3><span class="editsection">[<a href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/find&action=edit&section=T-5" title="Template:cpp/container/find">edit</a>]</span> <span class="mw-headline" id="See_also">See also</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="count.html" title="cpp/container/unordered multimap/count"> <span class="t-lines"><span>count</span></span></a></div></div>
</td>
<td> returns the number of elements matching specific key <br /> <span class="t-mark">(public member function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/dsc_count&action=edit">[edit]</a></span>
</td></tr>
<tr class="t-dsc">
<td> <div class="t-dsc-member-div"><div><a href="equal_range.html" title="cpp/container/unordered multimap/equal range"> <span class="t-lines"><span>equal_range</span></span></a></div></div>
</td>
<td> returns range of elements matching a specific key <br /> <span class="t-mark">(public member function)</span> <span class="editsection noprint plainlinks" title="Edit this template"><a rel="nofollow" class="external text" href="http://en.cppreference.com/mwiki/index.php?title=Template:cpp/container/dsc_equal_range&action=edit">[edit]</a></span>
</td></tr>
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