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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code><a href="cpp-header-algorithm.html">&lt;algorithm&gt;</a></code></div>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
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<td rowspan="142">(2)</td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Compare <span class="sy1">&gt;</span><br />
<span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b, Compare comp <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Compare <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span> <span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b, Compare comp <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
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<td rowspan="142">(3)</td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
T min<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> T min<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
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<td rowspan="142">(4)</td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Compare <span class="sy1">&gt;</span><br />
T min<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist, Compare comp <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td class="t-dcl-nopad"></td>
<td><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span><br />
<span class="t-mark-rev t-until-cxx14">(C++14 &#21069;)</span></td>
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<tr class="t-dcl t-since-cxx14">
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<div><span class="mw-geshi cpp source-cpp"><span class="kw1">template</span><span class="sy1">&lt;</span> <span class="kw1">class</span> T, <span class="kw1">class</span> Compare <span class="sy1">&gt;</span><br />
<span class="kw4">constexpr</span> T min<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist, Compare comp <span class="br0">)</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx14">(C++14 &#36215;)</span></td>
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<p>&#36820;&#22238;&#32473;&#23450;&#20540;&#20013;&#30340;&#36739;&#23567;&#32773;&#12290;</p>
<div class="t-li1"><span class="t-li">1-2)</span> &#36820;&#22238; <code>a</code> &#19982; <code>b</code> &#30340;&#36739;&#23567;&#32773;&#12290;</div>
<div class="t-li1"><span class="t-li">3-4)</span> &#36820;&#22238; initializer_list <code>ilist</code> &#20013;&#20540;&#30340;&#26368;&#23567;&#32773;&#12290;</div>
<p><span class="t-v">(1,3)</span> &#29256;&#26412;&#29992; <span class="t-c"><span class="mw-geshi cpp source-cpp">operator<span class="sy1">&lt;</span></span></span> &#27604;&#36739;&#20803;&#32032;&#65292; <span class="t-v">(2,4)</span> &#29256;&#26412;&#29992;&#32473;&#23450;&#30340;&#27604;&#36739;&#20989;&#25968; <code>comp</code> &#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
<table class="t-par-begin">
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<td>a, b</td>
<td>-</td>
<td>&#35201;&#27604;&#36739;&#30340;&#20540;</td>
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<tr class="t-par">
<td>ilist</td>
<td>-</td>
<td>&#25317;&#26377;&#35201;&#27604;&#36739;&#30340;&#20540;&#30340; initializer_list</td>
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<tr class="t-par">
<td>cmp</td>
<td>-</td>
<td>&#27604;&#36739;&#20989;&#25968;&#23545;&#35937;&#65288;&#21363;&#28385;&#36275;<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> &#35201;&#27714;&#30340;&#23545;&#35937;&#65289;&#65292;&#33509; <code>a</code> <i>&#23567;&#20110;</i> <code>b</code> &#65292;&#21017;&#36820;&#22238; &#8203;<span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw2">true</span></span></span> &#12290;<br />
<p>&#27604;&#36739;&#20989;&#25968;&#30340;&#31614;&#21517;&#24212;&#31561;&#20215;&#20110;&#22914;&#19979;&#65306;</p>
<p><span class="t-cc"><span class="mw-geshi cpp source-cpp">&nbsp;<span class="kw4">bool</span> cmp<span class="br0">(</span><span class="kw4">const</span> Type1 <span class="sy3">&amp;</span>a, <span class="kw4">const</span> Type2 <span class="sy3">&amp;</span>b<span class="br0">)</span><span class="sy4">;</span></span></span></p>
<p>&#34429;&#28982;&#31614;&#21517;&#19981;&#24517;&#26377; <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="kw4">const</span> <span class="sy3">&amp;</span></span></span> &#65292;&#20989;&#25968;&#20063;&#19981;&#33021;&#20462;&#25913;&#20256;&#36882;&#32473;&#23427;&#30340;&#23545;&#35937;&#65292;&#32780;&#19988;&#24517;&#39035;&#25509;&#21463;&#65288;&#21487;&#20026; const &#30340;&#65289;&#31867;&#22411; <code>Type1</code> &#19982; <code>Type2</code> &#30340;&#20540;&#65292;&#26080;&#20851;&#20046;<a href="cpp-language-value_category.html">&#20540;&#31867;&#21035;</a>&#65288;&#20174;&#32780;&#19981;&#20801;&#35768; <span class="t-c"><span class="mw-geshi cpp source-cpp">Type1 <span class="sy3">&amp;</span></span></span> <span class="t-rev-inl t-since-cxx11"><span>&#65292;&#20134;&#19981;&#20801;&#35768; <span class="t-c"><span class="mw-geshi cpp source-cpp">Type1</span></span> &#65292;&#38500;&#38750; <code>Type1</code> &#30340;&#31227;&#21160;&#31561;&#20215;&#20110;&#22797;&#21046;</span> <span><span class="t-mark-rev t-since-cxx11">(C++11 &#36215;)</span></span></span>&#65289;&#12290;<br />
&#31867;&#22411; <span class="t-c"><span class="mw-geshi cpp source-cpp">Type1</span></span> &#19982; <span class="t-c"><span class="mw-geshi cpp source-cpp">Type2</span></span> &#24517;&#39035;&#20351;&#24471; <span class="t-c"><span class="mw-geshi cpp source-cpp">T</span></span> &#31867;&#22411;&#30340;&#23545;&#35937;&#33021;&#38544;&#24335;&#36716;&#25442;&#21040;&#36825;&#20004;&#20010;&#31867;&#22411;&#12290; &#8203;</p>
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<td colspan="3">&#31867;&#22411;&#35201;&#27714;</td>
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<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
&#20026;&#20351;&#29992;&#37325;&#36733; (1,3) &#65292; <code>T</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-LessThanComparable.html"><span style="font-style:italic">&#21487;&#23567;&#20110;&#27604;&#36739;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(LessThanComparable)</span></a> &#30340;&#35201;&#27714;&#12290;</td>
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<tr class="t-par-req">
<td colspan="3">-
<div class="spacer"></div>
&#20026;&#20351;&#29992;&#37325;&#36733; (3,4) &#65292; <code>T</code> &#24517;&#39035;&#28385;&#36275;<a href="cpp-named_req-CopyConstructible.html"><span style="font-style:italic">&#21487;&#22797;&#21046;&#26500;&#36896;</span> <span style="font-family: Georgia, &#39;DejaVu Serif&#39;, serif; font-style:italic">(CopyConstructible)</span></a> &#30340;&#35201;&#27714;&#12290;</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<div class="t-li1"><span class="t-li">1-2)</span> <code>a</code> &#19982; <code>b</code> &#30340;&#36739;&#23567;&#32773;&#12290;&#33509;&#20540;&#31561;&#20215;&#65292;&#21017;&#36820;&#22238; <code>a</code> &#12290;</div>
<div class="t-li1"><span class="t-li">3-4)</span> <code>ilist</code> &#20013;&#30340;&#26368;&#23567;&#20540;&#12290;&#33509;&#26377;&#25968;&#20010;&#31561;&#20215;&#20110;&#26368;&#23567;&#32773;&#30340;&#20540;&#65292;&#21017;&#36820;&#22238;&#26368;&#24038;&#20391;&#30340;&#36825;&#31181;&#20540;&#12290;</div>
<h3><span class="mw-headline" id=".E5.A4.8D.E6.9D.82.E5.BA.A6">&#22797;&#26434;&#24230;</span></h3>
<div class="t-li1"><span class="t-li">1-2)</span> &#20934;&#30830;&#19968;&#27425;&#27604;&#36739;</div>
<div class="t-li1"><span class="t-li">3-4)</span> &#20934;&#30830; <code>ilist.size() - 1</code> &#27425;&#27604;&#36739;</div>
<h3><span class="mw-headline" id=".E5.8F.AF.E8.83.BD.E7.9A.84.E5.AE.9E.E7.8E.B0">&#21487;&#33021;&#30340;&#23454;&#29616;</span></h3>
<table class="eq-fun-cpp-table">
<tr>
<th>&#29256;&#26412;&#19968;</th>
</tr>
<tr>
<td>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span>
<span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span><span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <span class="br0">(</span>b <span class="sy1">&lt;</span> a<span class="br0">)</span> <span class="sy4">?</span> b <span class="sy4">:</span> a<span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<th>&#29256;&#26412;&#20108;</th>
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<tr>
<td>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T, <span class="kw1">class</span> Compare<span class="sy1">&gt;</span>
<span class="kw4">const</span> T<span class="sy3">&amp;</span> min<span class="br0">(</span><span class="kw4">const</span> T<span class="sy3">&amp;</span> a, <span class="kw4">const</span> T<span class="sy3">&amp;</span> b, Compare comp<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <span class="br0">(</span>comp<span class="br0">(</span>b, a<span class="br0">)</span><span class="br0">)</span> <span class="sy4">?</span> b <span class="sy4">:</span> a<span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
</td>
</tr>
<tr>
<th>&#29256;&#26412;&#19977;</th>
</tr>
<tr>
<td>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T<span class="sy1">&gt;</span>
T min<span class="br0">(</span> <a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <span class="sy2">*</span><a href="cpp-algorithm-min_element.html"><span class="kw1642">std::<span class="me2">min_element</span></span></a><span class="br0">(</span>ilist.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, ilist.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
</div>
</td>
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<tr>
<th>&#29256;&#26412;&#22235;</th>
</tr>
<tr>
<td>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw1">template</span><span class="sy1">&lt;</span><span class="kw1">class</span> T, <span class="kw1">class</span> Compare<span class="sy1">&gt;</span>
T min<span class="br0">(</span><a href="cpp-utility-initializer_list.html"><span class="kw960">std::<span class="me2">initializer_list</span></span></a><span class="sy1">&lt;</span>T<span class="sy1">&gt;</span> ilist, Compare comp<span class="br0">)</span>
<span class="br0">{</span>
<span class="kw1">return</span> <span class="sy2">*</span><a href="cpp-algorithm-min_element.html"><span class="kw1642">std::<span class="me2">min_element</span></span></a><span class="br0">(</span>ilist.<span class="me1">begin</span><span class="br0">(</span><span class="br0">)</span>, ilist.<span class="me1">end</span><span class="br0">(</span><span class="br0">)</span>, comp<span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<h3><span class="mw-headline" id=".E8.AD.A6.E5.91.8A">&#35686;&#21578;</span></h3>
<p>&#33509;&#21442;&#25968;&#20043;&#19968;&#26159;&#20020;&#26102;&#37327;&#65292;&#32780;&#35813;&#21442;&#25968;&#34987;&#36820;&#22238;&#65292;&#21017;&#20197;&#24341;&#29992;&#25429;&#33719; <code>std::min</code> &#30340;&#32467;&#26524;&#20250;&#20135;&#29983;&#19968;&#20010;&#24748;&#22402;&#24341;&#29992;&#65306;</p>
<div dir="ltr" class="mw-geshi" style="text-align: left;">
<div class="cpp source-cpp">
<pre class="de1"><span class="kw4">int</span> n <span class="sy1">=</span> <span class="nu0">1</span><span class="sy4">;</span>
<span class="kw4">const</span> <span class="kw4">int</span><span class="sy3">&amp;</span> r <span class="sy1">=</span> std<span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span>n<span class="sy2">-</span><span class="nu0">1</span>, n<span class="sy2">+</span><span class="nu0">1</span><span class="br0">)</span><span class="sy4">;</span>
<span class="co1">// r &#24748;&#22402;</span></pre></div>
</div>
<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;algorithm&gt;</span>
<span class="co2">#include &lt;iostream&gt;</span>
<span class="co2">#include &lt;string_view&gt;</span>
<span class="kw4">int</span> main<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> <span class="st0">&quot;smaller of 1 and 9999 is &quot;</span> <span class="sy1">&lt;&lt;</span> std<span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span><span class="nu0">1</span>, <span class="nu0">9999</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&#39;<span class="es1">\n</span>&#39;</span>
<span class="sy1">&lt;&lt;</span> <span class="st0">&quot;smaller of &#39;a&#39;, and &#39;b&#39; is &#39;&quot;</span> <span class="sy1">&lt;&lt;</span> std<span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span><span class="st0">&#39;a&#39;</span>, <span class="st0">&#39;b&#39;</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;&#39;<span class="es1">\n</span>&quot;</span>
<span class="sy1">&lt;&lt;</span> <span class="st0">&quot;shortest of <span class="es1">\&quot;</span>foo<span class="es1">\&quot;</span>, <span class="es1">\&quot;</span>bar<span class="es1">\&quot;</span>, and <span class="es1">\&quot;</span>hello<span class="es1">\&quot;</span> is <span class="es1">\&quot;</span>&quot;</span>
<span class="sy1">&lt;&lt;</span> std<span class="sy4">::</span><span class="me2">min</span><span class="br0">(</span><span class="br0">{</span> <span class="st0">&quot;foo&quot;</span>, <span class="st0">&quot;bar&quot;</span>, <span class="st0">&quot;hello&quot;</span> <span class="br0">}</span>,
<span class="br0">[</span><span class="br0">]</span><span class="br0">(</span><span class="kw4">const</span> <a href="cpp-string-basic_string_view.html"><span class="kw1248">std::<span class="me2">string_view</span></span></a> s1, <span class="kw4">const</span> <a href="cpp-string-basic_string_view.html"><span class="kw1248">std::<span class="me2">string_view</span></span></a> s2<span class="br0">)</span> <span class="br0">{</span>
<span class="kw1">return</span> s1.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span> <span class="sy1">&lt;</span> s2.<span class="me1">size</span><span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span><span class="br0">)</span> <span class="sy1">&lt;&lt;</span> <span class="st0">&quot;<span class="es1">\&quot;</span><span class="es1">\n</span>&quot;</span><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<div class="text source-text">
<pre class="de1">smaller of 1 and 9999 is 1
smaller of &#39;a&#39;, and &#39;b&#39; is &#39;a&#39;
shortest of &quot;foo&quot;, &quot;bar&quot;, and &quot;hello&quot; is &quot;foo&quot;</pre></div>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
<table class="t-dsc-begin">
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-algorithm-max.html"><span class="t-lines"><span>max</span></span></a></div>
</div>
</td>
<td>&#36820;&#22238;&#21508;&#32473;&#23450;&#20540;&#20013;&#30340;&#36739;&#22823;&#32773;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-algorithm-minmax.html"><span class="t-lines"><span>minmax</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>&#36820;&#22238;&#20004;&#20010;&#20803;&#32032;&#30340;&#36739;&#23567;&#21644;&#36739;&#22823;&#32773;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-algorithm-min_element.html"><span class="t-lines"><span>min_element</span></span></a></div>
</div>
</td>
<td>&#36820;&#22238;&#33539;&#22260;&#20869;&#30340;&#26368;&#23567;&#20803;&#32032;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
</tr>
<tr class="t-dsc">
<td>
<div class="t-dsc-member-div">
<div><a href="cpp-algorithm-clamp.html"><span class="t-lines"><span>clamp</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>
<td>&#22312;&#19968;&#23545;&#36793;&#30028;&#20540;&#38388;&#22841;&#36924;&#19968;&#20010;&#20540;<br />
<span class="t-mark">(&#20989;&#25968;&#27169;&#26495;)</span></td>
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