{"id":11733,"date":"2024-03-14T14:37:13","date_gmt":"2024-03-14T14:37:13","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-the-stack-implemented-in-c\/"},"modified":"2025-08-04T16:13:00","modified_gmt":"2025-08-04T16:13:00","slug":"how-is-the-stack-implemented-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-the-stack-implemented-in-c\/","title":{"rendered":"C++ Stack Implementation: std::stack Guide"},"content":{"rendered":"<p>In C++, the std::stack template class in the STL can be used to implement a stack. The std::stack class is a container adapter, which implements the functionality of a stack based on other sequence containers like std::vector, std::deque, and std::list.<\/p>\n<p>Below is an example code implementing a stack using std::stack.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stack&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    std::stack&lt;<span class=\"hljs-type\">int<\/span>&gt; myStack;\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5c06\u5143\u7d20\u538b\u5165\u6808<\/span>\r\n    myStack.<span class=\"hljs-built_in\">push<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n    myStack.<span class=\"hljs-built_in\">push<\/span>(<span class=\"hljs-number\">2<\/span>);\r\n    myStack.<span class=\"hljs-built_in\">push<\/span>(<span class=\"hljs-number\">3<\/span>);\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u8bbf\u95ee\u6808\u9876\u5143\u7d20<\/span>\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"\u6808\u9876\u5143\u7d20\uff1a\"<\/span> &lt;&lt; myStack.<span class=\"hljs-built_in\">top<\/span>() &lt;&lt; std::endl;\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5f39\u51fa\u6808\u9876\u5143\u7d20<\/span>\r\n    myStack.<span class=\"hljs-built_in\">pop<\/span>();\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"\u5f39\u51fa\u6808\u9876\u5143\u7d20\u540e\u7684\u6808\u9876\u5143\u7d20\uff1a\"<\/span> &lt;&lt; myStack.<span class=\"hljs-built_in\">top<\/span>() &lt;&lt; std::endl;\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a<\/span>\r\n    <span class=\"hljs-keyword\">if<\/span> (myStack.<span class=\"hljs-built_in\">empty<\/span>()) {\r\n        std::cout &lt;&lt; <span class=\"hljs-string\">\"\u6808\u4e3a\u7a7a\"<\/span> &lt;&lt; std::endl;\r\n    } <span class=\"hljs-keyword\">else<\/span> {\r\n        std::cout &lt;&lt; <span class=\"hljs-string\">\"\u6808\u4e0d\u4e3a\u7a7a\"<\/span> &lt;&lt; std::endl;\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u6808\u7684\u5927\u5c0f<\/span>\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"\u6808\u7684\u5927\u5c0f\uff1a\"<\/span> &lt;&lt; myStack.<span class=\"hljs-built_in\">size<\/span>() &lt;&lt; std::endl;\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In the example above, a stack of integers is created using the statement std::stack myStack;. The function myStack.push(1); pushes the element 1 onto the stack. The function myStack.top() returns the element at the top of the stack. The function myStack.pop() removes the element at the top of the stack. The function myStack.empty() checks if the stack is empty. The function myStack.size() gets the size of the stack.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C++, the std::stack template class in the STL can be used to implement a stack. The std::stack class is a container adapter, which implements the functionality of a stack based on other sequence containers like std::vector, std::deque, and std::list. Below is an example code implementing a stack using std::stack. #include &lt;iostream&gt; #include &lt;stack&gt; int [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[5148,13584,224,15176,15198],"class_list":["post-11733","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-containers","tag-c-stack","tag-data-structures","tag-stdstack","tag-stl-stack"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++ Stack Implementation: std::stack Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn C++ stack implementation using std::stack STL adapter. 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