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<!DOCTYPE html>
<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<title>std::priority_queue</title>
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</head>
<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_container_priority_queue skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::</span>priority_queue</h1>
<div id="bodyContent">
<div id="contentSub"><span class="subpages">&lt; <a href="cpp.html">cpp</a>&lrm; | <a href="cpp-container.html">container</a></span></div>
<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
<table class="t-dcl-begin">
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-queue.html">&lt;queue&gt;</a></code></div>
</td>
<td></td>
<td></td>
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<tr class="t-dcl">
<td class="t-dcl-nopad">
<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span><br /></span>
<p>&nbsp; &nbsp; <span class="kw1">class</span> T,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Container <span class="sy1">=</span> <a href="cpp-container-vector.html"><span class="kw1269">std::<span class="me2">vector</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span>,<br />
&nbsp; &nbsp; <span class="kw1">class</span> Compare <span class="sy1">=</span> <a href="cpp-utility-functional-less.html"><span class="kw1039">std::<span class="me2">less</span></span></a><span class="sy1">&lt;</span><span class="kw1">typename</span> Container<span class="sy4">::</span><span class="me2">value_type</span><span class="sy1">&gt;</span><br /></p>
<span class="sy1">&gt;</span> <span class="kw1">class</span> priority_queue<span class="sy4">;</span></div>
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<td class="t-dcl-nopad"></td>
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</table>
<p>priority_queue &#26159;&#23481;&#22120;&#36866;&#37197;&#22120;&#65292;&#23427;&#25552;&#20379;&#24120;&#25968;&#26102;&#38388;&#30340;&#65288;&#40664;&#35748;&#65289;&#26368;&#22823;&#20803;&#32032;&#26597;&#25214;&#65292;&#23545;&#25968;&#20195;&#20215;&#30340;&#25554;&#20837;&#19982;&#37322;&#20986;&#12290;</p>
<p>&#21487;&#29992;&#29992;&#25143;&#25552;&#20379;&#30340; <code>Compare</code> &#26356;&#25913;&#39034;&#24207;&#65292;&#20363;&#22914;&#65292;&#29992; <span class="t-lc">std::greater&lt;T&gt;</span> &#23558;&#23548;&#33268;&#26368;&#23567;&#20803;&#32032;&#20316;&#20026; <span class="t-lc"><a href="cpp-container-priority_queue-top.html">top()</a></span> &#20986;&#29616;&#12290;</p>
<p>&#29992; <code>priority_queue</code> &#24037;&#20316;&#31867;&#20284;&#31649;&#29702;&#26576;&#20123;&#38543;&#26426;&#35775;&#38382;&#23481;&#22120;&#20013;&#30340;<a href="cpp-algorithm-make_heap.html">&#22534;</a>&#65292;&#20248;&#21183;&#26159;&#19981;&#21487;&#33021;&#31361;&#28982;&#25226;&#22534;&#38750;&#27861;&#21270;&#12290;</p>
<h3><span class="mw-headline" id=".E6.A8.A1.E6.9D.BF.E5.BD.A2.E5.8F.82">&#27169;&#26495;&#24418;&#21442;</span></h3>
<table class="t-par-begin">
<tr class="t-par">
<td>T</td>
<td>-</td>
<td>&#23384;&#20648;&#30340;&#20803;&#32032;&#31867;&#22411;&#12290;<span class="t-rev-inl t-since-cxx17"><span>&#33509; <code>T</code> &#19982; <code>Container::value_type</code> &#19981;&#26159;&#21516;&#19968;&#31867;&#22411;&#21017;&#34892;&#20026;&#26410;&#23450;&#20041;&#12290;</span> <span><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></span></span></td>
</tr>
<tr class="t-par">
<td>Container</td>
<td>-</td>
<td>&#29992;&#20110;&#23384;&#20648;&#20803;&#32032;&#30340;&#24213;&#23618;&#23481;&#22120;&#31867;&#22411;&#12290;&#23481;&#22120;&#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-SequenceContainer.html"><span style="font-style:italic">&#24207;&#21015;&#23481;&#22120;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(SequenceContainer)</span></a> &#30340;&#35201;&#27714;&#65292;&#32780;&#20854;&#36845;&#20195;&#22120;&#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-RandomAccessIterator.html"><span style="font-style:italic">&#32769;&#24335;&#38543;&#26426;&#35775;&#38382;&#36845;&#20195;&#22120;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LegacyRandomAccessIterator)</span></a> &#30340;&#35201;&#27714;&#12290;&#21478;&#22806;&#65292;&#23427;&#24517;&#39035;&#25552;&#20379;&#25317;&#26377;&#36890;&#24120;&#35821;&#20041;&#30340;&#19979;&#21015;&#20989;&#25968;&#65306;
<ul>
<li><code>front()</code></li>
<li><code>push_back()</code></li>
<li><code>pop_back()</code></li>
</ul>
<p>&#26631;&#20934;&#23481;&#22120; <span class="t-lc"><a href="cpp-container-vector.html">std::vector</a></span> &#21644; <span class="t-lc"><a href="cpp-container-deque.html">std::deque</a></span> &#28385;&#36275;&#36825;&#20123;&#35201;&#27714;&#12290;</p>
</td>
</tr>
<tr class="t-par">
<td>Compare</td>
<td>-</td>
<td>&#25552;&#20379;&#20005;&#26684;&#24369;&#24207;&#30340;<a href="cpp-named_req-Compare.html"><span style="font-style:italic">&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(Compare)</span></a> &#31867;&#22411;&#12290;</td>
</tr>
</table>
<p>&#27880;&#24847;<a href="cpp-named_req-Compare.html"><span style="font-style:italic">&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(Compare)</span></a> &#24418;&#21442;&#30340;&#23450;&#20041;&#65292;&#20351;&#24471;&#33509;&#20854;&#31532;&#19968;&#21442;&#25968;&#22312;&#24369;&#24207;&#20013;<i>&#20808;&#20110;</i>&#20854;&#31532;&#20108;&#21442;&#25968;&#21017;&#36820;&#22238; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#12290;&#20294;&#22240;&#20026; priority_queue &#39318;&#20808;&#36755;&#20986;&#26368;&#22823;&#20803;&#32032;&#65292;&#25925;&ldquo;&#20808;&#26469;&rdquo;&#30340;&#20803;&#32032;&#23454;&#38469;&#19978;&#26368;&#21518;&#36755;&#20986;&#12290;&#21363;&#38431;&#21015;&#22836;&#21547;&#26377;&#25353;&#29031;<a href="cpp-named_req-Compare.html"><span style="font-style:italic">&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(Compare)</span></a> &#25152;&#26045;&#21152;&#24369;&#24207;&#30340;&ldquo;&#26368;&#21518;&rdquo;&#20803;&#32032;&#12290;</p>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E7.B1.BB.E5.9E.8B">&#25104;&#21592;&#31867;&#22411;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc-hitem">
<td>&#25104;&#21592;&#31867;&#22411;</td>
<td>&#23450;&#20041;</td>
</tr>
<tr class="t-dsc">
<td><code>container_type</code></td>
<td><code>Container</code></td>
</tr>
<tr class="t-dsc">
<td><code>value_compare</code></td>
<td><code>Compare</code></td>
</tr>
<tr class="t-dsc">
<td><code>value_type</code></td>
<td><code>Container::value_type</code></td>
</tr>
<tr class="t-dsc">
<td><code>size_type</code></td>
<td><code>Container::size_type</code></td>
</tr>
<tr class="t-dsc">
<td><code>reference</code></td>
<td><code>Container::reference</code></td>
</tr>
<tr class="t-dsc">
<td><code>const_reference</code></td>
<td><code>Container::const_reference</code></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">&#25104;&#21592;&#20989;&#25968;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div t-dsc-member-nobold-div">
<div><a href="cpp-container-priority_queue-priority_queue.html"><span class="t-lines"><span>(&#26500;&#36896;&#20989;&#25968;)</span></span></a></div>
</div>
</td>
<td>&#26500;&#36896; <code>priority_queue</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div t-dsc-member-nobold-div">
<div><a href="cpp-container-priority_queue-~priority_queue.html"><span class="t-lines"><span>(&#26512;&#26500;&#20989;&#25968;)</span></span></a></div>
</div>
</td>
<td>&#26512;&#26500; <code>priority_queue</code><br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-operator=.html"><span class="t-lines"><span>operator=</span></span></a></div>
</div>
</td>
<td>&#36171;&#20540;&#32473;&#23481;&#22120;&#36866;&#37197;&#22120;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr>
<td colspan="2">
<h5><span class="mw-headline" id=".E5.85.83.E7.B4.A0.E8.AE.BF.E9.97.AE">&#20803;&#32032;&#35775;&#38382;</span></h5>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-top.html"><span class="t-lines"><span>top</span></span></a></div>
</div>
</td>
<td>&#35775;&#38382;&#26632;&#39030;&#20803;&#32032;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr>
<td colspan="2">
<h5><span class="mw-headline" id=".E5.AE.B9.E9.87.8F">&#23481;&#37327;</span></h5>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-empty.html"><span class="t-lines"><span>empty</span></span></a></div>
</div>
</td>
<td>&#26816;&#26597;&#24213;&#23618;&#23481;&#22120;&#26159;&#21542;&#20026;&#31354;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-size.html"><span class="t-lines"><span>size</span></span></a></div>
</div>
</td>
<td>&#36820;&#22238;&#23481;&#32435;&#30340;&#20803;&#32032;&#25968;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr>
<td colspan="2">
<h5><span class="mw-headline" id=".E4.BF.AE.E6.94.B9.E5.99.A8">&#20462;&#25913;&#22120;</span></h5>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-push.html"><span class="t-lines"><span>push</span></span></a></div>
</div>
</td>
<td>&#25554;&#20837;&#20803;&#32032;&#65292;&#24182;&#23545;&#24213;&#23618;&#23481;&#22120;&#25490;&#24207;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-emplace.html"><span class="t-lines"><span>emplace</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#21407;&#20301;&#26500;&#36896;&#20803;&#32032;&#24182;&#25490;&#24207;&#24213;&#23618;&#23481;&#22120;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-pop.html"><span class="t-lines"><span>pop</span></span></a></div>
</div>
</td>
<td>&#21024;&#38500;&#38431;&#39318;&#20803;&#32032;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-swap.html"><span class="t-lines"><span>swap</span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#20132;&#25442;&#20869;&#23481;<br />
<span class="t-mark">(&#20844;&#24320;&#25104;&#21592;&#20989;&#25968;)</span></td>
</tr>
<tr>
<td colspan="2">
<h3><span class="mw-headline" id=".E6.88.90.E5.91.98.E5.AF.B9.E8.B1.A1">&#25104;&#21592;&#23545;&#35937;</span></h3>
</td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><span class="t-lines"><span><span class="t-dsc-small">Container</span> c</span></span></div>
</div>
</td>
<td>&#24213;&#23618;&#23481;&#22120;<br />
<span class="t-mark">(&#21463;&#20445;&#25252;&#25104;&#21592;&#23545;&#35937;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><span class="t-lines"><span><span class="t-dsc-small">Compare</span> comp</span></span></div>
</div>
</td>
<td>&#27604;&#36739;&#20989;&#25968;&#23545;&#35937;<br />
<span class="t-mark">(&#21463;&#20445;&#25252;&#25104;&#21592;&#23545;&#35937;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E9.9D.9E.E6.88.90.E5.91.98.E5.87.BD.E6.95.B0">&#38750;&#25104;&#21592;&#20989;&#25968;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-swap2.html"><span class="t-lines"><span>std::swap<span class="t-dsc-small">(std::priority_queue)</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#29305;&#21270; <span class="t-lc"><a href="cpp-algorithm-swap.html">std::swap</a></span> &#31639;&#27861;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E8.BE.85.E5.8A.A9.E7.B1.BB">&#36741;&#21161;&#31867;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-container-priority_queue-uses_allocator.html"><span class="t-lines"><span>std::uses_allocator<span class="t-dsc-small">&lt;std::priority_queue&gt;</span></span></span></a></div>
<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
</div>
</td>
<td>&#29305;&#21270; <span class="t-lc"><a href="cpp-memory-uses_allocator.html">std::uses_allocator</a></span> &#31867;&#22411;&#29305;&#24449;<br />
<span class="t-mark">(&#31867;&#27169;&#26495;&#29305;&#21270;)</span></td>
</tr>
</table>
<h3><span class="mw-headline" id=".E6.8E.A8.E5.AF.BC.E6.8C.87.E5.BC.95.28C.2B.2B17_.E8.B5.B7.29"><a href="cpp-container-priority_queue-deduction_guides.html">&#25512;&#23548;&#25351;&#24341;</a><span class="t-mark-rev t-since-cxx17">(C++17 &#36215;)</span></span></h3>
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">&#31034;&#20363;</span></h3>
<div class="t-example">
<div class="t-example-live-link"></div>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="co2">#include &lt;functional&gt;</span>
<span class="co2">#include &lt;queue&gt;</span>
<span class="co2">#include &lt;vector&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">typename</span> T<span class="sy1">&gt;</span> <span class="kw4">void</span> print_queue<span class="br0">(</span>T<span class="sy3">&amp;</span> q<span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">while</span><span class="br0">(</span><span class="sy3">!</span>q.<span class="me1">empty</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span> <span class="br0">{</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> q.<span class="me1">top</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot; &quot;</span><span class="sy4">;</span>
q.<span class="me1">pop</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
<a href="cpp-io-cout.html"><span class="kw1757">std::<span class="me2">cout</span></span></a> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span><span class="sy4">;</span>
<span class="br0">}</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="br0">)</span> <span class="br0">{</span>
std<span class="sy4">::</span><span class="me2">priority_queue</span><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span> q<span class="sy4">;</span>
<span class="kw1">for</span><span class="br0">(</span><span class="kw4">int</span> n <span class="sy4">:</span> <span class="br0">{</span><span class="nu0">1</span>,<span class="nu0">8</span>,<span class="nu0">5</span>,<span class="nu0">6</span>,<span class="nu0">3</span>,<span class="nu0">4</span>,<span class="nu0">0</span>,<span class="nu0">9</span>,<span class="nu0">7</span>,<span class="nu0">2</span><span class="br0">}</span><span class="br0">)</span>
q.<span class="me1">push</span><span class="br0">(</span>n<span class="br0">)</span><span class="sy4">;</span>
print_queue<span class="br0">(</span>q<span class="br0">)</span><span class="sy4">;</span>
std<span class="sy4">::</span><span class="me2">priority_queue</span><span class="sy1">&lt;</span><span class="kw4">int</span>, <a href="cpp-container-vector.html"><span class="kw1269">std::<span class="me2">vector</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span>, <a href="cpp-utility-functional-greater.html"><span class="kw1037">std::<span class="me2">greater</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span> <span class="sy1">&gt;</span> q2<span class="sy4">;</span>
<span class="kw1">for</span><span class="br0">(</span><span class="kw4">int</span> n <span class="sy4">:</span> <span class="br0">{</span><span class="nu0">1</span>,<span class="nu0">8</span>,<span class="nu0">5</span>,<span class="nu0">6</span>,<span class="nu0">3</span>,<span class="nu0">4</span>,<span class="nu0">0</span>,<span class="nu0">9</span>,<span class="nu0">7</span>,<span class="nu0">2</span><span class="br0">}</span><span class="br0">)</span>
q2.<span class="me1">push</span><span class="br0">(</span>n<span class="br0">)</span><span class="sy4">;</span>
print_queue<span class="br0">(</span>q2<span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// &#29992; lambda &#27604;&#36739;&#20803;&#32032;&#12290;</span>
<span class="kw4">auto</span> cmp <span class="sy1">=</span> <span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="kw4">int</span> left, <span class="kw4">int</span> right<span class="br0">)</span> <span class="br0">{</span> <span class="kw1">return</span> <span class="br0">(</span>left <span class="sy3">^</span> <span class="nu0">1</span><span class="br0">)</span> <span class="sy1">&lt;</span> <span class="br0">(</span>right <span class="sy3">^</span> <span class="nu0">1</span><span class="br0">)</span><span class="sy4">;</span> <span class="br0">}</span><span class="sy4">;</span>
std<span class="sy4">::</span><span class="me2">priority_queue</span><span class="sy1">&lt;</span><span class="kw4">int</span>, <a href="cpp-container-vector.html"><span class="kw1269">std::<span class="me2">vector</span></span></a><span class="sy1">&lt;</span><span class="kw4">int</span><span class="sy1">&gt;</span>, decltype<span class="br0">(</span>cmp<span class="br0">)</span><span class="sy1">&gt;</span> q3<span class="br0">(</span>cmp<span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">for</span><span class="br0">(</span><span class="kw4">int</span> n <span class="sy4">:</span> <span class="br0">{</span><span class="nu0">1</span>,<span class="nu0">8</span>,<span class="nu0">5</span>,<span class="nu0">6</span>,<span class="nu0">3</span>,<span class="nu0">4</span>,<span class="nu0">0</span>,<span class="nu0">9</span>,<span class="nu0">7</span>,<span class="nu0">2</span><span class="br0">}</span><span class="br0">)</span>
q3.<span class="me1">push</span><span class="br0">(</span>n<span class="br0">)</span><span class="sy4">;</span>
print_queue<span class="br0">(</span>q3<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">9 8 7 6 5 4 3 2 1 0
0 1 2 3 4 5 6 7 8 9
8 9 6 7 4 5 2 3 0 1</pre></div>
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<h3><span class="mw-headline" id=".E7.BC.BA.E9.99.B7.E6.8A.A5.E5.91.8A">&#32570;&#38519;&#25253;&#21578;</span></h3>
<p>&#19979;&#21015;&#26356;&#25913;&#34892;&#20026;&#30340;&#32570;&#38519;&#25253;&#21578;&#36861;&#28335;&#22320;&#24212;&#29992;&#20110;&#20197;&#21069;&#20986;&#29256;&#30340; C++ &#26631;&#20934;&#12290;</p>
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<th>DR</th>
<th>&#24212;&#29992;&#20110;</th>
<th>&#20986;&#29256;&#26102;&#30340;&#34892;&#20026;</th>
<th>&#27491;&#30830;&#34892;&#20026;</th>
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<td><a rel="nofollow" class="external text" href="https://cplusplus.github.io/LWG/issue2684">LWG 2684</a></td>
<td>C++98</td>
<td><code>priority_queue</code> &#25509;&#25910;&#27604;&#36739;&#22120;&#20294;&#32570;&#23569;&#23545;&#23427;&#30340;&#25104;&#21592; typedef</td>
<td>&#24050;&#28155;&#21152;</td>
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