{"id":50725,"date":"2025-08-10T11:39:25","date_gmt":"2025-08-10T03:39:25","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/50725.html"},"modified":"2025-08-10T11:39:25","modified_gmt":"2025-08-10T03:39:25","slug":"c-stdlist%e6%a6%82%e5%bf%b5%e4%b8%8e%e4%bd%bf%e7%94%a8%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/50725.html","title":{"rendered":"C++ std::list\u6982\u5ff5\u4e0e\u4f7f\u7528\u6848\u4f8b"},"content":{"rendered":"<h3>C&#043;&#043; std::list \u6982\u5ff5\u8be6\u89e3<\/h3>\n<p>std::list \u662f C&#043;&#043; \u6807\u51c6\u6a21\u677f\u5e93&#xff08;STL&#xff09;\u4e2d\u7684\u4e00\u4e2a\u53cc\u5411\u94fe\u8868\u5bb9\u5668\u3002\u4e0e vector \u548c array \u4e0d\u540c&#xff0c;\u5b83\u4e0d\u4fdd\u8bc1\u5143\u7d20\u5728\u5185\u5b58\u4e2d\u8fde\u7eed\u5b58\u50a8&#xff0c;\u800c\u662f\u901a\u8fc7\u6307\u9488\u5c06\u5404\u4e2a\u5143\u7d20\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<h4>\u6838\u5fc3\u7279\u6027<\/h4>\n<li>\u53cc\u5411\u94fe\u8868\u7ed3\u6784&#xff1a;\n<ul>\n<li>\u6bcf\u4e2a\u5143\u7d20\u5305\u542b\u6307\u5411\u524d\u9a71\u548c\u540e\u7ee7\u7684\u6307\u9488<\/li>\n<li>\u652f\u6301\u53cc\u5411\u904d\u5386&#xff08;\u524d\u5411\u548c\u540e\u5411&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;\n<ul>\n<li>\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\/\u5220\u9664&#xff1a;O(1)<\/li>\n<li>\u968f\u673a\u8bbf\u95ee&#xff1a;O(n)&#xff08;\u6548\u7387\u4f4e&#xff09;<\/li>\n<li>\u6392\u5e8f&#xff1a;O(n log n)&#xff08;\u4f7f\u7528\u6210\u5458\u51fd\u6570 sort()&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u5185\u5b58\u7279\u6027&#xff1a;\n<ul>\n<li>\u975e\u8fde\u7eed\u5185\u5b58\u5206\u914d<\/li>\n<li>\u6bcf\u4e2a\u5143\u7d20\u6709\u989d\u5916\u6307\u9488\u5f00\u9500&#xff08;\u524d\u9a71 &#043; \u540e\u7ee7&#xff09;<\/li>\n<li>\u4e0d\u4f1a\u5bfc\u81f4\u8fed\u4ee3\u5668\u5931\u6548&#xff08;\u9664\u88ab\u5220\u9664\u5143\u7d20&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u8fed\u4ee3\u5668\u7c7b\u578b&#xff1a;\n<ul>\n<li>\u53cc\u5411\u8fed\u4ee3\u5668&#xff08;\u652f\u6301 &#043;&#043; \u548c &#8211;&#xff09;<\/li>\n<li>\u4e0d\u652f\u6301\u968f\u673a\u8bbf\u95ee&#xff08;\u4e0d\u80fd &#043; n&#xff09;<\/li>\n<\/ul>\n<\/li>\n<hr \/>\n<h4>\u5e38\u7528\u6210\u5458\u51fd\u6570<\/h4>\n<table>\n<tr>\u64cd\u4f5c\u51fd\u6570\u793a\u4f8b<\/tr>\n<tbody>\n<tr>\n<td>\u63d2\u5165\u5143\u7d20<\/td>\n<td>push_back()<\/td>\n<td>list.push_back(10);<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>push_front()<\/td>\n<td>list.push_front(5);<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>insert()<\/td>\n<td>list.insert(it, 7);<\/td>\n<\/tr>\n<tr>\n<td>\u5220\u9664\u5143\u7d20<\/td>\n<td>pop_back()<\/td>\n<td>list.pop_back();<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>pop_front()<\/td>\n<td>list.pop_front();<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>erase()<\/td>\n<td>list.erase(it);<\/td>\n<\/tr>\n<tr>\n<td>\u8bbf\u95ee\u5143\u7d20<\/td>\n<td>front()<\/td>\n<td>int first &#061; list.front()<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>back()<\/td>\n<td>int last &#061; list.back()<\/td>\n<\/tr>\n<tr>\n<td>\u5bb9\u91cf\u64cd\u4f5c<\/td>\n<td>size()<\/td>\n<td>int len &#061; list.size()<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>empty()<\/td>\n<td>if (list.empty()) &#8230;<\/td>\n<\/tr>\n<tr>\n<td>\u7279\u6b8a\u64cd\u4f5c<\/td>\n<td>splice()<\/td>\n<td>list1.splice(pos, list2)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>sort()<\/td>\n<td>list.sort();<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>merge()<\/td>\n<td>list1.merge(list2);<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>reverse()<\/td>\n<td>list.reverse();<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u4f7f\u7528\u6848\u4f8b&#xff1a;\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;list&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;string&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;algorithm&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8ba2\u5355\u7ed3\u6784<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">Order<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> id<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>string customer<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">double<\/span> amount<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">,<\/span> std<span class=\"token operator\">::<\/span>string c<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span> a<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">id<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">customer<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">amount<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u521b\u5efa\u8ba2\u5355\u94fe\u8868<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>list<span class=\"token operator\">&lt;<\/span>Order<span class=\"token operator\">&gt;<\/span> orders<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u8ba2\u5355&#xff08;\u4e09\u79cd\u65b9\u5f0f&#xff09;<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">101<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Alice&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">150.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u5c3e\u90e8\u6dfb\u52a0<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">emplace_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">102<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Bob&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">99.99<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/\/ \u76f4\u63a5\u6784\u9020&#xff08;C&#043;&#043;11&#xff09;<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;VIP&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">500.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u5934\u90e8\u6dfb\u52a0<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5728\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span><span class=\"token function\">advance<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u79fb\u52a8\u5230\u7b2c\u4e09\u4e2a\u4f4d\u7f6e<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">103<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Charlie&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">75.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u904d\u5386\u5e76\u6253\u5370\u8ba2\u5355&#xff08;C&#043;&#043;11\u8303\u56f4\u5faa\u73af&#xff09;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;All Orders:\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> order <span class=\"token operator\">:<\/span> orders<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ID: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>id<br \/>\n                  <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, Customer: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>customer<br \/>\n                  <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, Amount: $&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5220\u9664\u7279\u5b9a\u8ba2\u5355&#xff08;\u91d1\u989d&lt;100&#xff09;<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove_if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> o<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> o<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">100.0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6309\u91d1\u989d\u5347\u5e8f\u6392\u5e8f<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&lt;<\/span> b<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u65b0\u8ba2\u5355\u6279\u6b21<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>list<span class=\"token operator\">&lt;<\/span>Order<span class=\"token operator\">&gt;<\/span> newOrders <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><span class=\"token number\">201<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;David&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200.0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><span class=\"token number\">202<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Eva&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">350.0<\/span><span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5408\u5e76\u8ba2\u5355&#xff08;\u5230\u94fe\u8868\u5c3e\u90e8&#xff09;<\/span><br \/>\n    orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> newOrders<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u904d\u5386\u6253\u5370\u6700\u7ec8\u8ba2\u5355<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\nFinal Orders (Sorted &amp; Merged):\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> order <span class=\"token operator\">:<\/span> orders<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;ID: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>id<br \/>\n                  <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, Customer: &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>customer<br \/>\n                  <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;, Amount: $&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> order<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u67e5\u627e\u7279\u5b9a\u8ba2\u5355<\/span><br \/>\n    <span class=\"token keyword\">auto<\/span> findIt <span class=\"token operator\">&#061;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">find_if<\/span><span class=\"token punctuation\">(<\/span>orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> o<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> o<span class=\"token punctuation\">.<\/span>customer <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;Eva&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>findIt <span class=\"token operator\">!&#061;<\/span> orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\nFound Eva&#039;s order: $&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> findIt<span class=\"token operator\">-&gt;<\/span>amount <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u8f93\u51fa\u793a\u4f8b&#xff1a;<\/h5>\n<p>All Orders:<br \/>\nID: 100, Customer: VIP, Amount: $500<br \/>\nID: 101, Customer: Alice, Amount: $150<br \/>\nID: 103, Customer: Charlie, Amount: $75.5<br \/>\nID: 102, Customer: Bob, Amount: $99.99<\/p>\n<p>Final Orders (Sorted &amp; Merged):<br \/>\nID: 103, Customer: Charlie, Amount: $75.5<br \/>\nID: 102, Customer: Bob, Amount: $99.99<br \/>\nID: 101, Customer: Alice, Amount: $150<br \/>\nID: 201, Customer: David, Amount: $200<br \/>\nID: 202, Customer: Eva, Amount: $350<br \/>\nID: 100, Customer: VIP, Amount: $500<\/p>\n<p>Found Eva&#039;s order: $350<\/p>\n<hr \/>\n<h4>\u5173\u952e\u64cd\u4f5c\u8be6\u89e3<\/h4>\n<li>\n<p>\u9ad8\u6548\u63d2\u5165\/\u5220\u9664&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5728\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165&#xff08;O(1)&#xff09;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> orders<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nstd<span class=\"token operator\">::<\/span><span class=\"token function\">advance<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\norders<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">,<\/span> <span class=\"token function\">Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">105<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Frank&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">120.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u5143\u7d20&#xff08;O(1)&#xff09;<\/span><br \/>\norders<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u94fe\u8868\u62fc\u63a5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5c06list2\u7684\u6240\u6709\u5143\u7d20\u79fb\u52a8\u5230list1\u7684\u6307\u5b9a\u4f4d\u7f6e<\/span><br \/>\nlist1<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>position<span class=\"token punctuation\">,<\/span> list2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u79fb\u52a8list2\u4e2d\u7684\u5355\u4e2a\u5143\u7d20<\/span><br \/>\nlist1<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token punctuation\">,<\/span> list2<span class=\"token punctuation\">,<\/span> elementIt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u79fb\u52a8list2\u4e2d\u7684\u5143\u7d20\u8303\u56f4<\/span><br \/>\nlist1<span class=\"token punctuation\">.<\/span><span class=\"token function\">splice<\/span><span class=\"token punctuation\">(<\/span>pos<span class=\"token punctuation\">,<\/span> list2<span class=\"token punctuation\">,<\/span> startIt<span class=\"token punctuation\">,<\/span> endIt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u4e13\u7528\u6392\u5e8f\u7b97\u6cd5&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u6210\u5458\u51fd\u6570sort&#xff08;\u6bd4std::sort\u66f4\u9ad8\u6548&#xff09;<\/span><br \/>\norders<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u4f7f\u7528operator&lt;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u81ea\u5b9a\u4e49\u6392\u5e8f<\/span><br \/>\norders<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Order<span class=\"token operator\">&amp;<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> a<span class=\"token punctuation\">.<\/span>amount <span class=\"token operator\">&gt;<\/span> b<span class=\"token punctuation\">.<\/span>amount<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6309\u91d1\u989d\u964d\u5e8f<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<li>\n<p>\u94fe\u8868\u5408\u5e76&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u5408\u5e76\u4e24\u4e2a\u6709\u5e8f\u94fe\u8868<\/span><br \/>\nlist1<span class=\"token punctuation\">.<\/span><span class=\"token function\">merge<\/span><span class=\"token punctuation\">(<\/span>list2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ \u6ce8\u610f&#xff1a;\u5408\u5e76\u540elist2\u4e3a\u7a7a<\/span><\/p>\n<\/li>\n<hr \/>\n<h4>\u6027\u80fd\u5bf9\u6bd4&#xff08;vs vector&#xff09;<\/h4>\n<table>\n<tr>\u64cd\u4f5cstd::liststd::vector<\/tr>\n<tbody>\n<tr>\n<td>\u968f\u673a\u8bbf\u95ee<\/td>\n<td>O(n)<\/td>\n<td>O(1)<\/td>\n<\/tr>\n<tr>\n<td>\u5934\u90e8\u63d2\u5165\/\u5220\u9664<\/td>\n<td>O(1)<\/td>\n<td>O(n)<\/td>\n<\/tr>\n<tr>\n<td>\u5c3e\u90e8\u63d2\u5165\/\u5220\u9664<\/td>\n<td>O(1)<\/td>\n<td>O(1) \u644a\u9500<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u95f4\u63d2\u5165<\/td>\n<td>O(1)<\/td>\n<td>O(n)<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u8fde\u7eed\u6027<\/td>\n<td>\u5426<\/td>\n<td>\u662f<\/td>\n<\/tr>\n<tr>\n<td>\u5185\u5b58\u5f00\u9500<\/td>\n<td>\u9ad8&#xff08;\u6307\u9488&#xff09;<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u6700\u4f73\u5b9e\u8df5<\/h4>\n<li>\n<p>\u9002\u7528\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u9700\u8981\u9891\u7e41\u5728\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\/\u5220\u9664<\/li>\n<li>\u4e0d\u9700\u8981\u968f\u673a\u8bbf\u95ee<\/li>\n<li>\u9700\u8981\u7a33\u5b9a\u8fed\u4ee3\u5668&#xff08;\u4e0d\u5931\u6548&#xff09;<\/li>\n<li>\u9700\u8981\u9ad8\u6548\u5408\u5e76\/\u62c6\u5206\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4e0d\u9002\u7528\u573a\u666f&#xff1a;<\/p>\n<ul>\n<li>\u9700\u8981\u968f\u673a\u8bbf\u95ee\u5143\u7d20<\/li>\n<li>\u5185\u5b58\u53d7\u9650\u73af\u5883<\/li>\n<li>\u9700\u8981\u7f13\u5b58\u53cb\u597d\u7684\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u73b0\u4ee3C&#043;&#043;\u6280\u5de7&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ \u7ed3\u6784\u5316\u7ed1\u5b9a&#xff08;C&#043;&#043;17&#xff09;<\/span><br \/>\n<span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">auto<\/span><span class=\"token operator\">&amp;<\/span> <span class=\"token punctuation\">[<\/span>id<span class=\"token punctuation\">,<\/span> customer<span class=\"token punctuation\">,<\/span> amount<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">:<\/span> orders<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> customer <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;: $&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> amount <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u81ea\u5b9a\u4e49\u5185\u5b58\u5206\u914d\u5668<\/span><br \/>\nstd<span class=\"token operator\">::<\/span>list<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> MyAllocator<span class=\"token operator\">&gt;<\/span> customList<span class=\"token punctuation\">;<\/span><\/p>\n<\/li>\n<hr \/>\n<h4>\u7ecf\u5178\u5e94\u7528\u573a\u666f<\/h4>\n<li>LRU\u7f13\u5b58\u5b9e\u73b0&#xff1a;\u4f7f\u7528\u94fe\u8868&#043;\u54c8\u5e0c\u8868<\/li>\n<li>\u64a4\u9500\/\u91cd\u505a\u529f\u80fd&#xff1a;\u7ef4\u62a4\u64cd\u4f5c\u5386\u53f2<\/li>\n<li>\u6d88\u606f\u961f\u5217\u7cfb\u7edf&#xff1a;\u9ad8\u6548\u63d2\u5165\/\u5220\u9664<\/li>\n<li>\u56fe\u7b97\u6cd5&#xff1a;\u90bb\u63a5\u8868\u8868\u793a<\/li>\n<li>\u591a\u7ebf\u7a0b\u4efb\u52a1\u6c60&#xff1a;\u4efb\u52a1\u8c03\u5ea6<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb401\u6b21\uff0c\u70b9\u8d5e3\u6b21\uff0c\u6536\u85cf5\u6b21\u3002std::list\u662fC++ STL\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u5bb9\u5668\uff0c\u5177\u6709\u975e\u8fde\u7eed\u5185\u5b58\u5b58\u50a8\u7279\u6027\u3002\u6838\u5fc3\u4f18\u52bf\u5305\u62ecO(1)\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\u5220\u9664\u3001\u7a33\u5b9a\u8fed\u4ee3\u5668\uff08\u9664\u88ab\u5220\u5143\u7d20\u5916\uff09\u4ee5\u53ca\u4e13\u7528\u6392\u5e8f\/\u5408\u5e76\u64cd\u4f5c\u3002\u4e0evector\u5bf9\u6bd4\uff0clist\u5728\u9891\u7e41\u63d2\u5165\u5220\u9664\u573a\u666f\u6027\u80fd\u66f4\u4f18\uff0c\u4f46\u968f\u673a\u8bbf\u95ee\u6548\u7387\u8f83\u4f4e\uff08O(n)\uff09\u3002\u5178\u578b\u5e94\u7528\u573a\u666f\u5305\u62ec\u9700\u8981\u9891\u7e41\u4fee\u6539\u7684\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u7b49\uff0c\u901a\u8fc7push_back\/pop_front\u7b49\u64cd\u4f5c\u9ad8\u6548\u7ef4\u62a4\u6570\u636e\uff0c\u5e76\u652f\u6301splice\u3001merge\u7b49\u94fe\u8868\u7279\u6709\u529f\u80fd\u3002\u6ce8\u610f\u6bcf\u4e2a\u5143\u7d20\u6709\u989d\u5916\u6307\u9488\u5f00\u9500\uff0c\u9002\u5408\u5143\u7d20\u8f83\u5927\u6216\u9700\u8981\u7a33\u5b9a\u8fed\u4ee3\u5668\u7684\u573a\u666f\u3002_std::list\u4f7f\u7528\u573a\u666f<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,4952,58,3027],"topic":[],"class_list":["post-50725","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-linux","tag-list"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++ std::list\u6982\u5ff5\u4e0e\u4f7f\u7528\u6848\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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.wsisp.com\/helps\/50725.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ std::list\u6982\u5ff5\u4e0e\u4f7f\u7528\u6848\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb401\u6b21\uff0c\u70b9\u8d5e3\u6b21\uff0c\u6536\u85cf5\u6b21\u3002std::list\u662fC++ STL\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u5bb9\u5668\uff0c\u5177\u6709\u975e\u8fde\u7eed\u5185\u5b58\u5b58\u50a8\u7279\u6027\u3002\u6838\u5fc3\u4f18\u52bf\u5305\u62ecO(1)\u65f6\u95f4\u590d\u6742\u5ea6\u7684\u4efb\u610f\u4f4d\u7f6e\u63d2\u5165\u5220\u9664\u3001\u7a33\u5b9a\u8fed\u4ee3\u5668\uff08\u9664\u88ab\u5220\u5143\u7d20\u5916\uff09\u4ee5\u53ca\u4e13\u7528\u6392\u5e8f\/\u5408\u5e76\u64cd\u4f5c\u3002\u4e0evector\u5bf9\u6bd4\uff0clist\u5728\u9891\u7e41\u63d2\u5165\u5220\u9664\u573a\u666f\u6027\u80fd\u66f4\u4f18\uff0c\u4f46\u968f\u673a\u8bbf\u95ee\u6548\u7387\u8f83\u4f4e\uff08O(n)\uff09\u3002\u5178\u578b\u5e94\u7528\u573a\u666f\u5305\u62ec\u9700\u8981\u9891\u7e41\u4fee\u6539\u7684\u8ba2\u5355\u7ba1\u7406\u7cfb\u7edf\u7b49\uff0c\u901a\u8fc7push_back\/pop_front\u7b49\u64cd\u4f5c\u9ad8\u6548\u7ef4\u62a4\u6570\u636e\uff0c\u5e76\u652f\u6301splice\u3001merge\u7b49\u94fe\u8868\u7279\u6709\u529f\u80fd\u3002\u6ce8\u610f\u6bcf\u4e2a\u5143\u7d20\u6709\u989d\u5916\u6307\u9488\u5f00\u9500\uff0c\u9002\u5408\u5143\u7d20\u8f83\u5927\u6216\u9700\u8981\u7a33\u5b9a\u8fed\u4ee3\u5668\u7684\u573a\u666f\u3002_std::list\u4f7f\u7528\u573a\u666f\" 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