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<title>std::multiset&lt;Key,Compare,Allocator&gt;::begin, std::multiset&lt;Key,Compare,Allocator&gt;::cbegin</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::multiset&lt;Key,Compare,Allocator&gt;::</span>begin, <span style="font-size:0.7em; line-height:130%">std::multiset&lt;Key,Compare,Allocator&gt;::</span>cbegin</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-container.html">container</a>&lrm; | <a href="cpp-container-multiset.html">multiset</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">iterator begin<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">iterator begin<span class="br0">(</span><span class="br0">)</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">const_iterator begin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx11">(C++11 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">const_iterator begin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<div><span class="mw-geshi cpp source-cpp">const_iterator cbegin<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span> <span class="kw1">noexcept</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></td>
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<p>&#36820;&#22238;&#25351;&#21521; <code>multiset</code> &#39318;&#20803;&#32032;&#30340;&#36845;&#20195;&#22120;&#12290;</p>
<p>&#33509; <code>multiset</code> &#20026;&#31354;&#65292;&#21017;&#36820;&#22238;&#30340;&#36845;&#20195;&#22120;&#23558;&#31561;&#20110; <span class="t-lc"><a href="cpp-container-multiset-end.html">end()</a></span> &#12290;</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<p>&#65288;&#26080;&#65289;</p>
<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#25351;&#21521;&#39318;&#20803;&#32032;&#30340;&#36845;&#20195;&#22120;&#12290;</p>
<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<p>&#24120;&#25968;&#12290;</p>
<h3><span class="mw-headline" id=".E6.B3.A8.E6.84.8F">&#27880;&#24847;</span></h3>
<p>&#22240;&#20026; <code>iterator</code> &#21644; <code>const_iterator</code> &#37117;&#26159;&#24120;&#36845;&#20195;&#22120;&#65288;&#32780;&#19988;&#23454;&#38469;&#19978;&#21487;&#20197;&#26159;&#21516;&#19968;&#31867;&#22411;&#65289;&#65292;&#25925;&#19981;&#21487;&#33021;&#36890;&#36807;&#20219;&#20309;&#36825;&#20123;&#25104;&#21592;&#20989;&#25968;&#36820;&#22238;&#30340;&#36845;&#20195;&#22120;&#20462;&#25913;&#23481;&#22120;&#20803;&#32032;&#12290;</p>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
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<pre class="de1"><span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;iterator&gt;</span>
<span class="co2">#include &lt;set&gt;</span>
<span class="co2">#include &lt;string&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">const</span> <a href="cpp-container-multiset.html"><span class="kw1279">std::<span class="me2">multiset</span></span></a><span class="sy1">&lt;</span><a href="cpp-string-basic_string.html"><span class="kw1230">std::<span class="me2">string</span></span></a><span class="sy1">&gt;</span> words <span class="sy1">=</span> <span class="br0">{</span>
<span class="st0">&quot;some&quot;</span>, <span class="st0">&quot;not&quot;</span>, <span class="st0">&quot;sorted&quot;</span>, <span class="st0">&quot;words&quot;</span>,
<span class="st0">&quot;will&quot;</span>, <span class="st0">&quot;come&quot;</span>, <span class="st0">&quot;out&quot;</span>, <span class="st0">&quot;sorted&quot;</span>,
<span class="br0">}</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">auto</span> it <span class="sy1">=</span> words.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> it <span class="sy3">!</span><span class="sy1">=</span> words.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span> <span class="br0">)</span> <span class="br0">{</span>
<span class="kw4">auto</span> cnt <span class="sy1">=</span> words.<span class="me1">count</span><span class="br0">(</span><span class="sy2">*</span>it<span class="br0">)</span><span class="sy4">;</span>
<a href="cpp-io-cout.html"><span class="kw1758">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="sy2">*</span>it <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;:<span class="es1">\t</span>&quot;</span> <span class="sy1">&lt;&lt;</span> cnt <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<a href="cpp-iterator-advance.html"><span class="kw672">std::<span class="me2">advance</span></span></a><span class="br0">(</span>it, cnt<span class="br0">)</span><span class="sy4">;</span> <span class="co1">// &#25152;&#26377;&#20803;&#32032;&#22343;&#25317;&#26377;&#31561;&#20215;&#30340;&#38190;</span>
<span class="br0">}</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">come: 1
not: 1
out: 1
some: 1
sorted: 2
will: 1
words: 1</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="cpp-container-multiset-end.html"><span class="t-lines"><span>end</span> <span>cend</span></span></a></div>
<div><span class="t-lines"><span></span><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>&#36820;&#22238;&#25351;&#21521;&#26411;&#23614;&#30340;&#36845;&#20195;&#22120;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
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