{"id":28329,"date":"2024-03-16T10:09:24","date_gmt":"2024-03-16T10:09:24","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-the-list-used-in-c\/"},"modified":"2024-03-22T13:11:28","modified_gmt":"2024-03-22T13:11:28","slug":"how-is-the-list-used-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-the-list-used-in-c\/","title":{"rendered":"How is the list used in C++?"},"content":{"rendered":"<p>In C++, a list is a type of container that uses a doubly linked list to store a collection of elements. It is one of the containers provided by the Standard Template Library (STL), located in the <list> header file.<\/p>\n<p>Characteristics of the list container include:<\/p>\n<ol>\n<li>A doubly-linked list structure: each element contains pointers to the previous and next elements, allowing for constant time insertion and deletion at any position.<\/li>\n<li>Random access is not supported: elements can only be accessed sequentially through iterators, and cannot be accessed directly by index like arrays.<\/li>\n<li>Dynamic size: can increase or decrease dynamically based on needs.<\/li>\n<li>Discontinuous storage: Elements are not stored in memory in a contiguous manner, but rather connected together through pointers.<\/li>\n<\/ol>\n<p>In order to use the list container, you need to include the <list> header file and define a list object using std::list. For example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;list&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::list&lt;<span class=\"hljs-type\">int<\/span>&gt; myList; <span class=\"hljs-comment\">\/\/ \u5b9a\u4e49\u4e00\u4e2a\u5b58\u50a8int\u7c7b\u578b\u5143\u7d20\u7684\u5217\u8868<\/span>\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20<\/span>\r\n    myList.<span class=\"hljs-built_in\">push_back<\/span>(<span class=\"hljs-number\">10<\/span>);\r\n    myList.<span class=\"hljs-built_in\">push_back<\/span>(<span class=\"hljs-number\">20<\/span>);\r\n    myList.<span class=\"hljs-built_in\">push_back<\/span>(<span class=\"hljs-number\">30<\/span>);\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u904d\u5386\u5217\u8868\u5e76\u8f93\u51fa\u5143\u7d20<\/span>\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">const<\/span> <span class=\"hljs-keyword\">auto<\/span>&amp; item : myList) {\r\n        std::cout &lt;&lt; item &lt;&lt; <span class=\"hljs-string\">\" \"<\/span>;\r\n    }\r\n    std::cout &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>The above code demonstrates how to create a list object, add elements to it, and iterate through the elements in the list.<\/p>\n<p>In addition to the push_back function, the list also offers other commonly used member functions such as push_front (to add elements to the beginning of the list), pop_back (to remove elements from the end of the list), pop_front (to remove elements from the beginning of the list), insert (to insert elements at a specified position), and erase (to delete elements at a specified position).<\/p>\n<p>In conclusion, the list container is a dynamic-size, double-linked list structure container suitable for scenarios where frequent insertion and deletion of elements are needed, but not suitable for situations where random access to elements is required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C++, a list is a type of container that uses a doubly linked list to store a collection of elements. It is one of the containers provided by the Standard Template Library (STL), located in the header file. Characteristics of the list container include: A doubly-linked list structure: each element contains pointers to the [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-28329","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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>How is the list used in C++? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-the-list-used-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is the list used in C++?\" \/>\n<meta property=\"og:description\" content=\"In C++, a list is a type of container that uses a doubly linked list to store a collection of elements. 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