{"id":520,"date":"2026-08-11T23:45:13","date_gmt":"2026-08-11T15:45:13","guid":{"rendered":"http:\/\/www.millscience.cn\/?p=520"},"modified":"2026-08-11T23:45:15","modified_gmt":"2026-08-11T15:45:15","slug":"cpplearnday3","status":"publish","type":"post","link":"https:\/\/www.millscience.cn\/index.php\/cpplearnday3\/","title":{"rendered":"c++\u5b66\u4e60day3"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">auto\u5173\u952e\u5b57<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728C\u8bed\u8a00\u4e2d\uff0cauto \u7528\u6765\u58f0\u660e\u4e00\u4e2a\u5b58\u50a8\u5728\u6808\u7684\u53d8\u91cf\uff0c\u56e0\u6b64\u5b83\u53ea\u80fd\u7528\u6765\u4fee\u9970\u4e34\u65f6\u53d8\u91cf\uff0c\u4e0d\u80fd\u7528\u6765\u4fee\u9970\u5168<br>\u5c40\u53d8\u91cf\u3001\u9759\u6001\u53d8\u91cf\uff0c\u4e0e\u6b64\u540c\u65f6\u4e34\u65f6\u53d8\u91cf\u672c\u8eab\u9ed8\u8ba4\u5c31\u662f\u5b58\u50a8\u5728\u6808\u4e2d\uff0c\u56e0\u6b64\u5728C\u8bed\u8a00\u4e2d\uff0cauto \u57fa\u672c\u4e0a\u662f\u4f5c\u5e9f<br>\u7684\u3002<br>\u5728C++\u4e2d\uff0cauto \u4ee3\u8868\u81ea\u52a8\u83b7\u5f97\u6570\u636e\u7684\u7c7b\u578b\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>auto a = 100; \/\/ \u7b49\u4ef7\u4e8e\uff1a int a = 100;<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> a = <\/span><span style=\"color: #B5CEA8\">100<\/span><span style=\"color: #D4D4D4\">;<\/span><span style=\"color: #6A9955\"> \/\/ \u7b49\u4ef7\u4e8e\uff1a int a = 100;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7136\uff0c\u4e0a\u8ff0\u4ee3\u7801\u4ec5\u662f\u8bed\u6cd5\u793a\u4f8b\uff0c\u65e0\u6cd5\u4f53\u73b0 auto \u7684\u4ef7\u503c\uff0c\u5728C++\u7684\u51fd\u6570\u6a21\u677f\u3001\u7c7b\u6a21\u677f\u4e2d\uff0c\u5229\u7528 auto \u81ea\u52a8\u83b7\u5f97\u6570\u636e\u7c7b\u578b\uff0c\u5f80\u5f80\u6709\u5947\u6548\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/\/ \u4ee5\u4e0b\u51fd\u6570\u662f\u4e00\u4e2a\u6a21\u677f\uff0c\u63a5\u6536\u4e00\u4e2a\u7c7b\u578b\u4e3a T \u7684\u5bb9\u5668\n \/\/ \u6ce8\u610f\uff1a\u7c7b\u578b T \u662f\u52a8\u6001\u7684\uff0c\u53ef\u53d8\u7684\uff0c\u4e0d\u5b9a\u7684\u3002\n template &lt;typename T>\n void show(T &amp;container)\n {\n\n \/\/ \u5229\u7528 auto \u52a8\u6001\u83b7\u53d6\u672a\u77e5\u7c7b\u578b\u5bb9\u5668\u7684\u76f8\u5173\u6570\u636e\n\n auto it = container.begin();\n\n ...\n\n ... }<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u4ee5\u4e0b\u51fd\u6570\u662f\u4e00\u4e2a\u6a21\u677f\uff0c\u63a5\u6536\u4e00\u4e2a\u7c7b\u578b\u4e3a T \u7684\u5bb9\u5668<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> \/\/ \u6ce8\u610f\uff1a\u7c7b\u578b T \u662f\u52a8\u6001\u7684\uff0c\u53ef\u53d8\u7684\uff0c\u4e0d\u5b9a\u7684\u3002<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">template<\/span><span style=\"color: #D4D4D4\"> &lt;<\/span><span style=\"color: #569CD6\">typename<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">T<\/span><span style=\"color: #D4D4D4\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">void<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">show<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #4EC9B0\">T<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">&amp;<\/span><span style=\"color: #9CDCFE\">container<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> \/\/ \u5229\u7528 auto \u52a8\u6001\u83b7\u53d6\u672a\u77e5\u7c7b\u578b\u5bb9\u5668\u7684\u76f8\u5173\u6570\u636e<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> it = <\/span><span style=\"color: #9CDCFE\">container<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #DCDCAA\">begin<\/span><span style=\"color: #D4D4D4\">();<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> ...<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> ... }<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528auto \u5173\u952e\u5b57\u53ef\u4ee5\u5bf9\u5177\u4f53\u7684\u7c7b\u578b\u8fdb\u884c\u6a21\u7cca\uff08\u6cdb\u5316\uff09\uff0c\u5982\u679c\u67d0\u4e00\u4e2a\u529f\u80fd\u7684\u64cd\u4f5c\u6d41\u7a0b\u5f0f\u56fa\u5b9a\uff0c\u552f\u4e00\u7684\u4e0d\u540c\u5728\u4e8e\u6570\u636e\u7684\u7c7b\u578b\uff0c\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u7b80\u5355\u5730\u4f7f\u7528auto\u5173\u952e\u5b57\u5bf9\u7c7b\u578b\u8fdb\u884c\u6a21\u7cca\u7684\u64cd\u4f5c:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>#include &lt;iostream>\n2\n3 using std::cout ;\n4 using std::endl ;\n5 using std::string ;\n6\n7 \/\/ \u901a\u8fc7auto\u7b80\u5355\u7c97\u66b4\u5730\u6a21\u7cca\u6570\u636e\u7684\u7c7b\u578b\n8 \/\/ \u8ba9\u8be5\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u7c7b\u578b\u7684\u53c2\u6570\u4f20\u9012\n9 auto Add( auto a , auto b )\n10 {\n11 return a + b ;\n12 }\n13\n14 int main(int argc, char const *argv[])\n15 {\n16 int Num = Add( 123 , 567 );\n17\n cout &lt;&lt; Num &lt;&lt; endl;\n18\n19 float Num2 = Add( 123.333 , 567.222 );\n20\n cout &lt;&lt; Num2 &lt;&lt; endl ;\n21\n22\n string s1 = \"Hello\";\n23\n string s2 = \"World\";\n24 auto str = Add( s1 , s2 );\n25\n cout &lt;&lt; str &lt;&lt; endl ;\n26\n27 return 0;28 }<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;iostream&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">2<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">using<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">std<\/span><span style=\"color: #D4D4D4\">::cout ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">4<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">using<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">std<\/span><span style=\"color: #D4D4D4\">::endl ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">5<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">using<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">std<\/span><span style=\"color: #D4D4D4\">::string ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">6<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">7<\/span><span style=\"color: #6A9955\"> \/\/ \u901a\u8fc7auto\u7b80\u5355\u7c97\u66b4\u5730\u6a21\u7cca\u6570\u636e\u7684\u7c7b\u578b<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">8<\/span><span style=\"color: #6A9955\"> \/\/ \u8ba9\u8be5\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u7c7b\u578b\u7684\u53c2\u6570\u4f20\u9012<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">9<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">Add<\/span><span style=\"color: #D4D4D4\">( <\/span><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> a , <\/span><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> b )<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">11<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> a + b ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">12<\/span><span style=\"color: #D4D4D4\"> }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">13<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">14<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> argc, <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> *argv[])<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">15<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">16<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> Num = <\/span><span style=\"color: #DCDCAA\">Add<\/span><span style=\"color: #D4D4D4\">( <\/span><span style=\"color: #B5CEA8\">123<\/span><span style=\"color: #D4D4D4\"> , <\/span><span style=\"color: #B5CEA8\">567<\/span><span style=\"color: #D4D4D4\"> );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">17<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> cout &lt;&lt; Num &lt;&lt; endl;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">18<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">19<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> Num2 = <\/span><span style=\"color: #DCDCAA\">Add<\/span><span style=\"color: #D4D4D4\">( <\/span><span style=\"color: #B5CEA8\">123.333<\/span><span style=\"color: #D4D4D4\"> , <\/span><span style=\"color: #B5CEA8\">567.222<\/span><span style=\"color: #D4D4D4\"> );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">20<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> cout &lt;&lt; Num2 &lt;&lt; endl ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">21<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">22<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> string s1 = <\/span><span style=\"color: #CE9178\">&quot;Hello&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">23<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> string s2 = <\/span><span style=\"color: #CE9178\">&quot;World&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">24<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">auto<\/span><span style=\"color: #D4D4D4\"> str = <\/span><span style=\"color: #DCDCAA\">Add<\/span><span style=\"color: #D4D4D4\">( s1 , s2 );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">25<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> cout &lt;&lt; str &lt;&lt; endl ;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">26<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">27<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">;<\/span><span style=\"color: #B5CEA8\">28<\/span><span style=\"color: #D4D4D4\"> }<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u51fd\u6570\u9ed8\u8ba4\u53c2\u6570<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0ec\u4e0d\u540c\uff0cc++\u5141\u8bb8\u7ed9\u51fd\u6570\u4f20\u9012\u9ed8\u8ba4\u53c2\u6570<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>float ConeVolume(float r,float h = 1)\n{\n  return (M_PI*r*r*h)\/3;\n}\n\nint main() {\n    \/\/\u8c03\u7528\u65f6\u4e0d\u4f20\u9ed8\u8ba4\u53c2\u6570 \u9ed8\u8ba4\u4e3a1\n  float volume1 = ConeVolume(2);\n  cout &lt;&lt; \"volume1: \" &lt;&lt; volume1 &lt;&lt; endl;\n\n    \/\/\u4f20\u5165\u53c2\u6570\uff0c\u66ff\u4ee3\u9ed8\u8ba4\u53c2\u6570\n  float volume2 = ConeVolume(2,2);\n  cout &lt;&lt; \"volume2: \" &lt;&lt; volume2 &lt;&lt; endl;\n\n\n  return 0;\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">ConeVolume<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">r<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">h<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> (M_PI*r*r*h)\/<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">() {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/\u8c03\u7528\u65f6\u4e0d\u4f20\u9ed8\u8ba4\u53c2\u6570 \u9ed8\u8ba4\u4e3a1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> volume1 = <\/span><span style=\"color: #DCDCAA\">ConeVolume<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  cout &lt;&lt; <\/span><span style=\"color: #CE9178\">&quot;volume1: &quot;<\/span><span style=\"color: #D4D4D4\"> &lt;&lt; volume1 &lt;&lt; endl;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/\u4f20\u5165\u53c2\u6570\uff0c\u66ff\u4ee3\u9ed8\u8ba4\u53c2\u6570<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #569CD6\">float<\/span><span style=\"color: #D4D4D4\"> volume2 = <\/span><span style=\"color: #DCDCAA\">ConeVolume<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  cout &lt;&lt; <\/span><span style=\"color: #CE9178\">&quot;volume2: &quot;<\/span><span style=\"color: #D4D4D4\"> &lt;&lt; volume2 &lt;&lt; endl;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">  <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e3a\u4e86\u9632\u6b62\u51fa\u73b0\u4e8c\u4e49\u6027\uff0c\u5177\u5907\u9ed8\u8ba4\u503c\u7684\u53c2\u6570\u53ea\u80fd\u4f4d\u4e8e\u53c2\u6570\u5217\u8868\u7684\u6700\u53f3\u8fb9<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5982\u679c\u51fd\u6570\u5b9a\u4e49\u4e0e\u51fd\u6570\u58f0\u660e\u4e0d\u5728\u540c\u4e00\u6587\u4ef6\uff0c\u4e00\u822c\u53ea\u4e3a\u58f0\u660e\u6307\u5b9a\u9ed8\u8ba4\u53c2\u6570\uff0c\u5b9a\u4e49\u5904\u4e0d\u5199\u9ed8\u8ba4\u53c2\u6570\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u51fd\u6570\u91cd\u8f7d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8fd9\u4e5f\u662fc\u6ca1\u6709\u7684\u7279\u6027\uff0c\u5728c\u8bed\u8a00\u4e2d\uff0c\u540c\u4f5c\u7528\u57df\u5185\u7684\u540c\u540d\u51fd\u6570\u7f16\u8bd1\u4f1a\u62a5\u9519\u91cd\u5b9a\u4e49\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C++\u4e2d\uff0c\u91cd\u540d\u51fd\u6570\u53ea\u8981\u6ee1\u8db3\u4e00\u5b9a\u7684\u8981\u6c42\uff0c\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\uff0c\u8fd9\u5927\u5927\u62d3\u5c55\u4e86\u51fd\u6570\u8bbe\u8ba1\u7684\u7075\u6d3b\u6027\u3002\u8fd9\u79cd\u91cd\u540d\u4e14\u53ef\u5e76\u5b58\u7684\u8bed\u6cd5\u673a\u5236\uff0c\u88ab\u79f0\u4e3a\u51fd\u6570\u91cd\u8f7d\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982string\u7684\u6784\u9020\u51fd\u6570\u6709\u4ee5\u4e0b\u91cd\u8f7d\u5f62\u5f0f\uff0c\u6839\u636e\u4f20\u5165\u53c2\u6570\u7684\u4e0d\u540c\u6765\u8c03\u7528\u4e0d\u540c\u7684\u91cd\u8f7d\u51fd\u6570<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>1 string ( const string&amp; str );\n2 string ( const string&amp; str, size_t pos, size_t n = npos );\n3 string ( const char * s, size_t n );\n4 string ( const char * s );5 string ( size_t n, char c )<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">string<\/span><span style=\"color: #D4D4D4\"> ( <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> string&amp; str );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">string<\/span><span style=\"color: #D4D4D4\"> ( <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> string&amp; str, <\/span><span style=\"color: #569CD6\">size_t<\/span><span style=\"color: #D4D4D4\"> pos, <\/span><span style=\"color: #569CD6\">size_t<\/span><span style=\"color: #D4D4D4\"> n = npos );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">string<\/span><span style=\"color: #D4D4D4\"> ( <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> * s, <\/span><span style=\"color: #569CD6\">size_t<\/span><span style=\"color: #D4D4D4\"> n );<\/span><\/span>\n<span class=\"line\"><span style=\"color: #B5CEA8\">4<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">string<\/span><span style=\"color: #D4D4D4\"> ( <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> * s );<\/span><span style=\"color: #B5CEA8\">5<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">string<\/span><span style=\"color: #D4D4D4\"> ( <\/span><span style=\"color: #569CD6\">size_t<\/span><span style=\"color: #D4D4D4\"> n, <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> c )<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53ef\u4ee5\u6784\u6210\u51fd\u6570\u91cd\u8f7d\u7684\u60c5\u51b5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53c2\u6570\u4e2a\u6570\u4e0d\u540c<\/strong><\/li>\n\n\n\n<li><strong>\u53c2\u6570\u7c7b\u578b\u4e0d\u540c<\/strong><\/li>\n\n\n\n<li><strong>\u53c2\u6570\u987a\u5e8f\u4e0d\u540c<\/strong><\/li>\n\n\n\n<li><strong>\u7c7b\u65b9\u6cd5\uff08\u7c7b\u5185\u90e8\u7684\u51fd\u6570\uff09\u7684<code>const<\/code>\u5c5e\u6027\u53ef\u4ee5\u6784\u6210\u91cd\u8f7d<\/strong><\/li>\n\n\n\n<li><strong>\u666e\u901a\u6307\u9488\u4e0e\u5e38\u91cf\u6307\u9488\u53ef\u4ee5\u6784\u6210\u91cd\u8f7d<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u53ef\u4ee5\u6784\u6210\u51fd\u6570\u91cd\u8f7d\u7684\u60c5\u51b5<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51fd\u6570\u540d\uff0c\u53c2\u6570\u5217\u8868\u5b8c\u5168\u4e00\u81f4\u3002<\/strong><\/li>\n\n\n\n<li><strong>\u51fd\u6570\u8fd4\u56de\u503c\u7c7b\u578b\u5dee\u5f02\u3002<\/strong><\/li>\n\n\n\n<li><strong>\u9759\u6001\u51fd\u6570\u58f0\u660e\u3002<\/strong><\/li>\n\n\n\n<li><strong>const\u578b\u53d8\u91cf\uff08\u5305\u62ec\u6307\u9488\u5e38\u91cf\uff09\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f15\u7528\u7c7b\u578b\u7684\u53c2\u6570\u662f\u5426\u53ef\u4ee5\u5f62\u6210\u91cd\u8f7d\uff0c\u8981\u6839\u636e\u5b9e\u53c2\u7684\u5177\u4f53\u60c5\u51b5\u6765\u5b9a\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b9e\u53c2\u4e3a\u5e38\u91cf\uff0c\u90a3\u4e48\u53ef\u4ee5\u91cd\u8f7d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b9e\u53c2\u4e3a\u53d8\u91cf\uff0c\u90a3\u4e48\u4e0d\u53ef\u4ee5\u91cd\u8f7d<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>void f(int a);\nvoid f(int &amp;a);\n\nint main()\n{\n\n int m = 100;\n\n \/\/ \u00d7: \u4f1a\u5f15\u8d77\u4e8c\u4e49\u6027\uff0c\u4e24\u4e2a\u7248\u672c\u90fd\u80fd\u8ddf\u53c2\u6570\u5b8c\u5168\u5339\u914d\n\n f(m);\n\n\n \/\/ \u221a: \u53ef\u4ee5\u987a\u5229\u8c03\u7528\uff0c\u56e0\u4e3a\u666e\u901a\u5f15\u7528\u7c7b\u578b\u65e0\u6cd5\u6307\u5411\u5e38\u91cf\n\n f(6); }<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #569CD6\">void<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">f<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">a<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">void<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">f<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">&amp;<\/span><span style=\"color: #9CDCFE\">a<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">()<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> m = <\/span><span style=\"color: #B5CEA8\">100<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> \/\/ \u00d7: \u4f1a\u5f15\u8d77\u4e8c\u4e49\u6027\uff0c\u4e24\u4e2a\u7248\u672c\u90fd\u80fd\u8ddf\u53c2\u6570\u5b8c\u5168\u5339\u914d<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">f<\/span><span style=\"color: #D4D4D4\">(m);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> \/\/ \u221a: \u53ef\u4ee5\u987a\u5229\u8c03\u7528\uff0c\u56e0\u4e3a\u666e\u901a\u5f15\u7528\u7c7b\u578b\u65e0\u6cd5\u6307\u5411\u5e38\u91cf<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">f<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">6<\/span><span style=\"color: #D4D4D4\">); }<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u679a\u4e3e\u5faa\u73af<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eceC++11\u5f00\u59cb\uff0cC++\u5bf9for\u8bed\u53e5\u5f15\u5165\u4e86\u679a\u4e3e\u5faa\u73af\u7684\u6982\u5ff5\uff0c\u4e13\u7528\u4e8e\u5177\u6709\u786e\u5b9a\u5143\u7d20\u4e2a\u6570\u7684\u6570\u7ec4\u3001\u5bb9\u5668\u6216\u96c6 \u5408\uff0c\u5e26\u6765\u66f4\u52a0\u65b9\u4fbf\u7684\u64cd\u4f5c\uff0c\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>#include &lt;iostream> \nusing namespace std; \n\nint main(int argc, char const *argv[]) \n{ \n    int a&#91;3&#93; = {1,2,3}; \n\n    \/\/ \u679a\u4e3e\u6570\u7ec4a\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\uff0c\u5e76\u8f93\u51fa\u5b83\u4eec8\n    for(int i : a) \n        cout &lt;&lt; i &lt;&lt; endl; \n\n    return 0; \n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;iostream&gt;<\/span><span style=\"color: #569CD6\"> <\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">using<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">namespace<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #4EC9B0\">std<\/span><span style=\"color: #D4D4D4\">; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">argc<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">*<\/span><span style=\"color: #9CDCFE\">argv<\/span><span style=\"color: #D4D4D4\">[]) <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">{ <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">a<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">&#93; = {<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\">,<\/span><span style=\"color: #B5CEA8\">3<\/span><span style=\"color: #D4D4D4\">}; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/ \u679a\u4e3e\u6570\u7ec4a\u4e2d\u7684\u5404\u4e2a\u5143\u7d20\uff0c\u5e76\u8f93\u51fa\u5b83\u4eec8<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">for<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> i : a) <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        cout &lt;&lt; i &lt;&lt; endl; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u770b\u5230\u679a\u4e3efor\u5faa\u73af\u7684\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\uff0c\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0ci \u7684\u7c7b\u578b\u4e0e\u5f85\u679a\u4e3e\u7684\u6570\u7ec4 a \u7684\u5143\u7d20\u7c7b\u578b\u4e00 \u81f4\uff0c\u5faa\u73af\u7684\u8fc7\u7a0b\u5c31\u662f\u8ba9\u53d8\u91cf i \u9010\u4e2a\u53d6\u5f97\u6570\u7ec4 a \u4e2d\u7684\u5404\u4e2a\u5143\u7d20\uff0c\u5f88\u663e\u7136\uff0c\u5faa\u73af\u6b21\u6570\u4e0d\u518d\u7531\u7a0b\u5e8f\u4ee3\u7801\u6307\u5b9a\uff0c \u800c\u662f\u7531\u5f85\u679a\u4e3e\u7684\u6570\u636e\u7684\u5143\u7d20\u4e2a\u6570\u51b3\u5b9a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5806\u5185\u5b58\u7ba1\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728c\u4e2d\uff0c\u6709malloc\u548ccalloc\uff0cfree\u6765\u8fdb\u884c\u5806\u5185\u5b58\u7684\u7ba1\u7406<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728c++\u4e2d\uff0c\u65b0\u589e\u4e86new\u548cdelete\u6765\u8fdb\u884c\u7ba1\u7406<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>nt main(void) \n{ \n    \/\/ \u7533\u8bf7\u4e00\u5757int\u578b\u6570\u636e\u5927\u5c0f\u7684\u5806\u5185\u5b58\n    int *p1 = new int; \n    int *pp1 = malloc(sizeof(int)) ; \n\n    \/\/ \u7533\u8bf7\u4e00\u5757\u53ef\u4ee5\u5b58\u50a8100\u4e2aint\u578b\u6570\u636e\u5927\u5c0f\u7684\u5806\u5185\u5b58\n    int *p2 = new int&#91;100&#93;; \n    int * pp2 = calloc(100 , sizof(int)) ; \n\n    \/\/ \u7533\u8bf7\u4e00\u575735\u4e2a\u5b57\u8282\u5927\u5c0f\u7684\u5806\u5185\u5b58\n    char *p3 = new char&#91;35&#93;; \n    char * pp2 = calloc(35 , sizof(char)) ; \n\n    \/\/ \u91ca\u653e\u6240\u6709\u7684\u5806\u5185\u5b58\u8d44\u6e9015\n    delete p1; \n    delete [] p2; \n    delete [] p3; \n\n    free(pp1); \n    free(pp2); \n    free(pp3); \n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #4EC9B0\">nt<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">void<\/span><span style=\"color: #D4D4D4\">) <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">{ <\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/ \u7533\u8bf7\u4e00\u5757int\u578b\u6570\u636e\u5927\u5c0f\u7684\u5806\u5185\u5b58<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> *p1 = <\/span><span style=\"color: #C586C0\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> *pp1 = <\/span><span style=\"color: #DCDCAA\">malloc<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">)) ; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/ \u7533\u8bf7\u4e00\u5757\u53ef\u4ee5\u5b58\u50a8100\u4e2aint\u578b\u6570\u636e\u5927\u5c0f\u7684\u5806\u5185\u5b58<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> *p2 = <\/span><span style=\"color: #C586C0\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #B5CEA8\">100<\/span><span style=\"color: #D4D4D4\">&#93;; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> * pp2 = <\/span><span style=\"color: #DCDCAA\">calloc<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">100<\/span><span style=\"color: #D4D4D4\"> , <\/span><span style=\"color: #DCDCAA\">sizof<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\">)) ; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/ \u7533\u8bf7\u4e00\u575735\u4e2a\u5b57\u8282\u5927\u5c0f\u7684\u5806\u5185\u5b58<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> *p3 = <\/span><span style=\"color: #C586C0\">new<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #B5CEA8\">35<\/span><span style=\"color: #D4D4D4\">&#93;; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> * pp2 = <\/span><span style=\"color: #DCDCAA\">calloc<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">35<\/span><span style=\"color: #D4D4D4\"> , <\/span><span style=\"color: #DCDCAA\">sizof<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\">)) ; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\">    \/\/ \u91ca\u653e\u6240\u6709\u7684\u5806\u5185\u5b58\u8d44\u6e9015<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">delete<\/span><span style=\"color: #D4D4D4\"> p1; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">delete<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #C586C0\">[]<\/span><span style=\"color: #D4D4D4\"> p2; <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">delete<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #C586C0\">[]<\/span><span style=\"color: #D4D4D4\"> p3; <\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">free<\/span><span style=\"color: #D4D4D4\">(pp1); <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">free<\/span><span style=\"color: #D4D4D4\">(pp2); <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">free<\/span><span style=\"color: #D4D4D4\">(pp3); <\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6ce8\u610f\uff1a\u5728\u4f7f\u7528delete\u65f6\uff0c\u91ca\u653e\u8fde\u7eed\u5185\u5b58\u5757\u9700\u8981\u52a0\u4e0a []<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7533\u8bf7\u7c7b\u7c7b\u578b\u7684\u5185\u5b58\u65f6\uff0cnew \u4f1a\u81ea\u52a8\u8c03\u7528\u7c7b\u7684\u6784\u9020\u51fd\u6570\uff0c\u800c malloc() \/ calloc() \u4e0d\u4f1a\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u91ca\u653e\u7c7b\u7c7b\u578b\u7684\u5185\u5b58\u65f6\uff0cdelete \u4f1a\u81ea\u52a8\u8c03\u7528\u7c7b\u7684\u6790\u6784\u51fd\u6570\uff0c\u800c free() \u4e0d\u4f1a<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>auto\u5173\u952e\u5b57 \u5728C\u8bed\u8a00\u4e2d\uff0cauto \u7528\u6765\u58f0\u660e\u4e00\u4e2a\u5b58\u50a8\u5728\u6808\u7684\u53d8\u91cf\uff0c\u56e0\u6b64\u5b83\u53ea\u80fd\u7528\u6765\u4fee\u9970\u4e34\u65f6\u53d8\u91cf\uff0c\u4e0d\u80fd\u7528\u6765\u4fee\u9970\u5168\u5c40 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":315,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-520","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cpp"],"_links":{"self":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/comments?post=520"}],"version-history":[{"count":1,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/520\/revisions"}],"predecessor-version":[{"id":521,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/520\/revisions\/521"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/media\/315"}],"wp:attachment":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/media?parent=520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/categories?post=520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/tags?post=520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}