{"id":33382,"date":"2025-04-27T11:23:10","date_gmt":"2025-04-27T03:23:10","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/33382.html"},"modified":"2025-04-27T11:23:10","modified_gmt":"2025-04-27T03:23:10","slug":"c%e7%a9%bf%e6%a2%ad%e6%a0%91%e5%bd%b1%e9%97%b4%e7%9a%84%e6%99%ba%e6%85%a7%e5%8d%9a%e5%bc%88%ef%bc%9a%e4%ba%8c%e5%8f%89%e6%90%9c%e7%b4%a2%e6%a0%91oj","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/33382.html","title":{"rendered":"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>1.\u6839\u636e\u4e8c\u53c9\u6811\u521b\u5efa\u5b57\u7b26\u4e32<\/li>\n<li>2.\u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2160<\/li>\n<li>3.\u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2161<\/li>\n<li>4.\u4e8c\u53c9\u6811\u7684\u6700\u8fd1\u516c\u5171\u7956\u5148<\/li>\n<li>5.\u4e8c\u53c9\u641c\u7d22\u6811\u4e0e\u53cc\u5411\u94fe\u8868<\/li>\n<li>6.\u4ece\u524d\u5e8f\u4e0e\u4e2d\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/li>\n<li>7.\u4ece\u4e2d\u5e8f\u4e0e\u540e\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/li>\n<li>8.\u4e8c\u53c9\u6811\u7684\u524d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/li>\n<li>9.\u4e8c\u53c9\u6811\u7684\u4e2d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/li>\n<li>10.\u4e8c\u53c9\u6811\u7684\u540e\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/li>\n<li>\u5e0c\u671b\u8bfb\u8005\u4eec\u591a\u591a\u4e09\u8fde\u652f\u6301<\/li>\n<li>\u5c0f\u7f16\u4f1a\u7ee7\u7eed\u66f4\u65b0<\/li>\n<li>\u4f60\u4eec\u7684\u9f13\u52b1\u5c31\u662f\u6211\u524d\u8fdb\u7684\u52a8\u529b&#xff01;<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5bf9\u641c\u7d22\u4e8c\u53c9\u6811\u5e38\u89c1\u7684\u9762\u8bd5OJ\u8fdb\u884c\u4e86\u603b\u7ed3&#xff0c;\u65b9\u4fbf\u5bf9\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u4f7f\u7528\u65b9\u6cd5\u8fdb\u884c\u603b\u7ed3<\/p>\n<h2>1.\u6839\u636e\u4e8c\u53c9\u6811\u521b\u5efa\u5b57\u7b26\u4e32<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032303-680da317452f6.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032303-680da317864ba.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u6839\u636e\u4e8c\u53c9\u6811\u521b\u5efa\u5b57\u7b26\u4e32<\/p>\n<p>\u9898\u89e3:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032304-680da3180f5d8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u89c2\u5bdf\u793a\u4f8b\u53ef\u4ee5\u77e5\u9053&#xff0c;\u65e0\u8bba\u662f\u5de6\u4e3a\u7a7a\u8fd8\u662f\u5de6\u4e3a\u4e0d\u4e3a\u7a7a&#xff0c;\u90fd\u8981\u6dfb\u52a0\u62ec\u53f7&#xff0c;\u6240\u4ee5\u76f4\u63a5\u9012\u5f52\u4e0b\u53bb&#xff0c;\u53f3\u5206\u652f\u5219\u53ef\u4ee5\u6839\u636e\u60c5\u51b5\u7701\u7565\u62ec\u53f7<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    string <span class=\"token function\">tree2str<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        string str <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>left <span class=\"token operator\">||<\/span> root<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#039;(&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">tree2str<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#039;)&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#039;(&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token function\">tree2str<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            str <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token string\">&#039;)&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> str<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>2.\u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2160<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032304-680da3183a055.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032304-680da3187571b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2160<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u636e\u9898\u610f\u53ef\u77e5&#xff0c;\u9700\u8981\u5c06\u6570\u636e\u5b58\u50a8\u5728\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4&#xff0c;\u8fd9\u91cc\u662f\u4e2a\u5178\u578b\u7684\u5c42\u5e8f\u904d\u5386&#xff0c;\u5373 BFS(\u5e7f\u5ea6\u4f18\u5148\u904d\u5386)&#xff0c;\u4e4b\u524d\u5728\u6570\u636e\u7ed3\u6784\u90e8\u5206\u7528C\u8bed\u8a00\u8fdb\u884c\u4e86\u521d\u6b65\u89e3\u6790\u5b9e\u73b0&#xff0c;\u8fd9\u91cc\u7528 C&#043;&#043; \u66f4\u666e\u4e16\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0 BFS<\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u3010\u521d\u9636\u6570\u636e\u7ed3\u6784\u3011\u8282\u70b9\u5c42\u7ea7\u7684\u903b\u8f91\u4e50\u7ae0&#xff1a;\u4e8c\u53c9\u6811<\/p>\n<p>&#x1f4bb;\u7ec6\u8282\u95ee\u9898&#xff1a;<\/p>\n<p>\u6ce8\u610f\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\u662f\u4e00\u7ef4\u6570\u7ec4&#xff0c;\u6bcf\u6b21 push \u8981 push \u5230\u4e0b\u4e00\u5c42&#xff0c;vv.back() \u8868\u793a\u4e0b\u4e00\u5c42&#xff0c;\u5373 vv.back().push_back(front-&gt;val) \u4e3a\u4e0b\u4e00\u5c42\u6dfb\u52a0\u4e8c\u53c9\u6811\u90a3\u4e00\u5c42\u7684\u5143\u7d20<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">levelOrder<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        queue<span class=\"token operator\">&lt;<\/span>TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span><br \/>\n        q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            vv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> num<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                TreeNode<span class=\"token operator\">*<\/span> front <span class=\"token operator\">&#061;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                vv<span class=\"token punctuation\">.<\/span><span class=\"token function\">back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>3.\u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2161<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032304-680da318a65af.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032304-680da318e06c2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u5c42\u5e8f\u904d\u5386 \u2161<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u8fd9\u9898\u5176\u5b9e\u548c\u4e0a\u9762\u7684\u9898\u903b\u8f91\u5b9e\u73b0\u662f\u4e00\u6837\u7684&#xff0c;\u4ece\u4e0b\u81f3\u4e0a\u904d\u5386\u7684\u8bdd&#xff0c;\u770b\u6210\u4ece\u4e0a\u81f3\u4e0b\u7684\u904d\u5386\u7684\u53cd\u8f6c\u5373\u53ef<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">levelOrderBottom<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        queue<span class=\"token operator\">&lt;<\/span>TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> q<span class=\"token punctuation\">;<\/span><br \/>\n        q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>q<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> num <span class=\"token operator\">&#061;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            vv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> num<span class=\"token punctuation\">;<\/span> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                TreeNode<span class=\"token operator\">*<\/span> front <span class=\"token operator\">&#061;<\/span> q<span class=\"token punctuation\">.<\/span><span class=\"token function\">front<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                q<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                vv<span class=\"token punctuation\">.<\/span><span class=\"token function\">back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">{<\/span><br \/>\n                    q<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>front<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">reverse<\/span><span class=\"token punctuation\">(<\/span>vv<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> vv<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        <span class=\"token keyword\">return<\/span> vv<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>4.\u4e8c\u53c9\u6811\u7684\u6700\u8fd1\u516c\u5171\u7956\u5148<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032305-680da3191d067.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032305-680da3195b04f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u6700\u8fd1\u516c\u5171\u7956\u5148<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u636e\u9898\u76ee\u591a\u79cd\u60c5\u51b5\u5206\u6790\u53ef\u77e5\u4e00\u5171\u6709\u4e09\u79cd\u60c5\u51b5&#xff1a;<\/p>\n<p>&#x1f6a9;p\u548cq\u90fd\u5728\u6839\u8282\u70b9\u53f3\u652f <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032305-680da319d024e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#x1f6a9;p\u548cq\u90fd\u5728\u6839\u8282\u70b9\u5de6\u652f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032306-680da31a0b047.jpg\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#x1f6a9;p\u548cq\u90fd\u5728\u6839\u8282\u70b9\u5de6\u652f\u548c\u53f3\u652f<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032306-680da31a4f500.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<hr \/>\n<p>\u6392\u9664\u4e86p\u6216q\u4e3a\u6839\u8282\u70b9\u7684\u60c5\u51b5&#xff0c;\u90a3\u4e48\u5269\u4f59\u7684\u60c5\u51b5\u5fc5\u5b9a\u5728\u6839\u8282\u70b9\u4ee5\u4e0b\u7684\u8282\u70b9&#xff0c;\u53d1\u73b0\u7528\u5411\u4e0b\u9012\u5f52\u7684\u65b9\u6cd5&#xff0c;\u90fd\u5728\u53f3\u652f\u6216\u90fd\u5728\u5de6\u652f\u7684\u60c5\u51b5\u6700\u540e\u90fd\u80fd\u88ab\u5316\u6210\u5b50\u6811\u6839\u8282\u70b9\u7684\u5de6\u652f\u548c\u53f3\u652f\u95ee\u9898<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032306-680da31a7c333.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> tree<span class=\"token punctuation\">,<\/span> TreeNode<span class=\"token operator\">*<\/span> x<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>tree <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> tree <span class=\"token operator\">&#061;&#061;<\/span> x<br \/>\n            <span class=\"token operator\">||<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>tree<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">,<\/span> x<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">||<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>tree<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">,<\/span> x<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">lowestCommonAncestor<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">,<\/span> TreeNode<span class=\"token operator\">*<\/span> p<span class=\"token punctuation\">,<\/span> TreeNode<span class=\"token operator\">*<\/span> q<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root <span class=\"token operator\">&#061;&#061;<\/span> p <span class=\"token operator\">||<\/span> root <span class=\"token operator\">&#061;&#061;<\/span> q<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">bool<\/span> pLeft<span class=\"token punctuation\">,<\/span> pRight<span class=\"token punctuation\">,<\/span> qLeft<span class=\"token punctuation\">,<\/span> qRight<span class=\"token punctuation\">;<\/span><br \/>\n        pLeft <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        pRight <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span>pLeft<span class=\"token punctuation\">;<\/span><\/p>\n<p>        qLeft <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">,<\/span> q<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        qRight <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span>qLeft<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>qLeft <span class=\"token operator\">&amp;&amp;<\/span> pLeft<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">lowestCommonAncestor<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">,<\/span> q<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>qRight <span class=\"token operator\">&amp;&amp;<\/span> pRight<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">lowestCommonAncestor<\/span><span class=\"token punctuation\">(<\/span>root<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">,<\/span> q<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>5.\u4e8c\u53c9\u641c\u7d22\u6811\u4e0e\u53cc\u5411\u94fe\u8868<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032306-680da31aa8ad0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032307-680da31b3b707.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u641c\u7d22\u6811\u4e0e\u53cc\u5411\u94fe\u8868<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u770b\u53cc\u5411\u94fe\u8868\u53ef\u77e5&#xff0c;\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\u4e2d\u5e8f\u904d\u5386&#xff0c;\u5de6\u8282\u70b9\u3001\u8282\u70b9\u3001\u53f3\u8282\u70b9\u7684\u987a\u5e8f&#xff0c;\u90a3\u4e48\u53cc\u5411\u94fe\u8868\u7684\u8282\u70b9\u987a\u5e8f\u89e3\u51b3\u4e86&#xff0c;\u5c31\u8981\u8003\u8651\u8282\u70b9\u7684\u94fe\u63a5&#xff0c;\u524d\u9a71\u8282\u70b9\u76f4\u63a5\u94fe\u63a5\u4e0a\u4e00\u4e2a\u4e2d\u5e8f\u904d\u5386\u7684\u8282\u70b9&#xff0c;\u540e\u9a71\u8282\u70b9\u5219\u662f\u4e0b\u4e00\u4e2a&#xff0c;\u6700\u540e\u8fd4\u56de\u6700\u5de6\u4e0b\u89d2\u7684\u8282\u70b9&#xff08;\u5373 head &#xff09;<\/p>\n<p>&#x1f4bb;\u7ec6\u8282\u95ee\u9898&#xff1a;<\/p>\n<p>\u6ce8\u610f prev \u6bcf\u6b21\u8d4b\u503c\u5b8c\u4e4b\u540e\u8981\u66f4\u65b0\u4e00\u6b21&#xff0c;\u4e3a\u4e0b\u4e00\u4e2a\u8282\u70b9\u505a\u51c6\u5907&#xff0c;\u540c\u65f6\u8981\u4ee5\u5f15\u7528\u5f62\u5f0f\u4f20\u9012&#xff0c;\u5168\u7a0b\u53ea\u6709\u4e00\u4e2a prev \u5728\u6539\u53d8&#xff0c;\u4e0d\u52a0\u5f15\u7528\u7684\u8bdd\u5c31\u662f\u4e0d\u540c\u5c42\u7ea7\u9012\u5f52\u4e0b\u7684 prev&#xff0c;\u8fd9\u4e4b\u95f4\u7684 prev\u7684\u6539\u53d8\u4e0d\u4f1a\u4e92\u76f8\u5f71\u54cd&#xff0c;\u65e0\u6cd5\u5f62\u6210\u6b63\u786e\u7684\u94fe\u8868\u5173\u7cfb &#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Inorder<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> cur<span class=\"token punctuation\">,<\/span> TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&amp;<\/span> prev<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>cur <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token function\">Inorder<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">,<\/span> prev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        cur<span class=\"token operator\">-&gt;<\/span>left <span class=\"token operator\">&#061;<\/span> prev<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>prev<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            prev<span class=\"token operator\">-&gt;<\/span>right <span class=\"token operator\">&#061;<\/span> cur<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        prev <span class=\"token operator\">&#061;<\/span> cur<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Inorder<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">,<\/span> prev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">Convert<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> pRootOfTree<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> prev <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Inorder<\/span><span class=\"token punctuation\">(<\/span>pRootOfTree<span class=\"token punctuation\">,<\/span> prev<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        TreeNode<span class=\"token operator\">*<\/span> head <span class=\"token operator\">&#061;<\/span> pRootOfTree<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>head <span class=\"token operator\">&amp;&amp;<\/span> head<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            head <span class=\"token operator\">&#061;<\/span> head<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> head<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>6.\u4ece\u524d\u5e8f\u4e0e\u4e2d\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032307-680da31ba7b2c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032307-680da31be507c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4ece\u524d\u5e8f\u4e0e\u4e2d\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/p>\n<p>\u9898\u89e3:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032308-680da31c42567.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u9996\u5148\u6211\u4eec\u8981\u77e5\u9053&#xff0c;\u524d\u5e8f\u662f\u6309\u7167\u5148\u5de6\u6839\u518d\u53f3\u6839\u7684\u987a\u5e8f\u8fdb\u884c&#xff0c;\u8fd9\u4e5f\u51b3\u5b9a\u4e86\u4ed6\u662f\u4e8c\u53c9\u6811\u4e2d\u6839\u7684\u987a\u5e8f&#xff0c;\u5176\u6b21\u4e2d\u5e8f\u7684\u904d\u5386\u65b9\u5f0f\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\u627e\u5230\u524d\u5e8f\u4e2d\u7684\u6839&#xff0c;\u90a3\u4e48\u5176\u5de6\u53f3\u533a\u95f4\u5c31\u662f\u5de6\u53f3\u5b50\u6811&#xff0c;\u6309\u7167\u6b64\u79cd\u65b9\u6cd5\u4e0d\u65ad\u5212\u5206&#xff0c;\u5c31\u662f\u5229\u7528\u7684\u5206\u6cbb\u601d\u60f3<\/p>\n<p>&#x1f4bb;\u7ec6\u8282\u95ee\u9898&#xff1a; \u5f53 inbegin &gt; inend \u65f6&#xff0c;\u4e5f\u5c31\u662f\u6700\u540e\u8fd4\u56de\u7a7a\u503c\u7684\u60c5\u51b5\u522b\u5fd8\u4e86 &#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> preorder<span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> inorder<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&amp;<\/span> prei<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> inbegin<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>inbegin <span class=\"token operator\">&gt;<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> root <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">TreeNode<\/span><span class=\"token punctuation\">(<\/span>preorder<span class=\"token punctuation\">[<\/span>prei<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> rooti <span class=\"token operator\">&#061;<\/span> inbegin<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>rooti <span class=\"token operator\">&lt;&#061;<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>preorder<span class=\"token punctuation\">[<\/span>prei<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> inorder<span class=\"token punctuation\">[<\/span>rooti<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token operator\">&#043;&#043;<\/span>rooti<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token operator\">&#043;&#043;<\/span>prei<span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token operator\">-&gt;<\/span>left <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>preorder<span class=\"token punctuation\">,<\/span> inorder<span class=\"token punctuation\">,<\/span> prei<span class=\"token punctuation\">,<\/span> inbegin<span class=\"token punctuation\">,<\/span> rooti<span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token operator\">-&gt;<\/span>right <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>preorder<span class=\"token punctuation\">,<\/span> inorder<span class=\"token punctuation\">,<\/span> prei<span class=\"token punctuation\">,<\/span> rooti<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> inend<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">buildTree<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> preorder<span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> inorder<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>preorder<span class=\"token punctuation\">,<\/span> inorder<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> inorder<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>7.\u4ece\u4e2d\u5e8f\u4e0e\u540e\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032308-680da31c8a99a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032308-680da31cc5aab.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4ece\u4e2d\u5e8f\u4e0e\u540e\u5e8f\u904d\u5386\u5e8f\u5217\u6784\u9020\u4e8c\u53c9\u6811<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u8fd9\u9898\u4e0e\u4e0a\u4e00\u9898\u7684\u5b9e\u73b0\u903b\u8f91\u662f\u4e00\u6837\u7684&#xff0c;\u4e2d\u5e8f\u8d1f\u8d23\u5212\u5206\u5de6\u53f3\u533a\u57df&#xff0c;\u540e\u5e8f\u8d1f\u8d23\u627e\u8282\u70b9&#xff0c;\u4e0d\u8fc7\u662f\u4ece\u53f3\u5b50\u6811\u5f00\u59cb\u7f62\u4e86&#xff0c;\u8981\u4ece\u6570\u7ec4 postorder \u7ed3\u5c3e\u5f80\u524d\u8d70<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> inorder<span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> postorder<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span><span class=\"token operator\">&amp;<\/span> prei<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> inbegin<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>inbegin <span class=\"token operator\">&gt;<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> root <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token function\">TreeNode<\/span><span class=\"token punctuation\">(<\/span>postorder<span class=\"token punctuation\">[<\/span>prei<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> rooti <span class=\"token operator\">&#061;<\/span> inbegin<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>rooti <span class=\"token operator\">&lt;&#061;<\/span> inend<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>postorder<span class=\"token punctuation\">[<\/span>prei<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> inorder<span class=\"token punctuation\">[<\/span>rooti<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token operator\">&#043;&#043;<\/span>rooti<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token operator\">&#8212;<\/span>prei<span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token operator\">-&gt;<\/span>right <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>inorder<span class=\"token punctuation\">,<\/span> postorder<span class=\"token punctuation\">,<\/span> prei<span class=\"token punctuation\">,<\/span> rooti<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> inend<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        root<span class=\"token operator\">-&gt;<\/span>left <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>inorder<span class=\"token punctuation\">,<\/span> postorder<span class=\"token punctuation\">,<\/span> prei<span class=\"token punctuation\">,<\/span> inbegin<span class=\"token punctuation\">,<\/span> rooti<span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    TreeNode<span class=\"token operator\">*<\/span> <span class=\"token function\">buildTree<\/span><span class=\"token punctuation\">(<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> inorder<span class=\"token punctuation\">,<\/span> vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span> postorder<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> postorder<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">_build<\/span><span class=\"token punctuation\">(<\/span>inorder<span class=\"token punctuation\">,<\/span> postorder<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> inorder<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>8.\u4e8c\u53c9\u6811\u7684\u524d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27jfv4bo5oxxo.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27ansab24ykdt.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u524d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u8fd9\u91cc\u76f4\u63a5\u8bf4\u660e\u975e\u9012\u5f52\u7684\u65b9\u6cd5&#xff0c;\u5176\u5b9e\u548c\u9012\u5f52\u7684\u601d\u60f3\u5dee\u4e0d\u591a&#xff0c;\u4f46\u8fd9\u91cc\u662f\u7528\u7684\u5faa\u73af&#xff0c;\u7528\u975e\u9012\u5f52\u662f\u56e0\u4e3a\u9012\u5f52\u5728\u67d0\u4e9b\u60c5\u51b5\u53ef\u80fd\u9020\u6210\u6808\u6ea2\u51fa<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27hwot4bevrf4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u6bcf\u6b21\u904d\u5386\u5c06\u64cd\u4f5c\u7684\u6570\u5165\u6808&#xff0c;\u8f93\u51fa\u7684\u7ed3\u679c\u653e\u5728\u6570\u7ec4\u91cc<\/p>\n<li>\u904d\u5386\u5de6\u8def\u8282\u70b9<\/li>\n<li>\u904d\u5386\u5de6\u6811\u8282\u70b9\u7684\u53f3\u8def<\/li>\n<p>\u5bf9\u4e0a\u9762\u7684\u6b65\u9aa4\u8fdb\u884c\u5faa\u73af\u64cd\u4f5c\u5373\u53ef&#xff0c;\u76f4\u5230\u6808\u5185\u7684\u6570\u5df2\u7ecf pop \u5b8c\u8bf4\u660e\u5df2\u7ecf\u7ed3\u675f<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">preorderTraversal<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        stack<span class=\"token operator\">&lt;<\/span>TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> st<span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> cur <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n            cur <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n        vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> v<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>st<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                v<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                st<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                cur <span class=\"token operator\">&#061;<\/span> cur<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            TreeNode<span class=\"token operator\">*<\/span> top <span class=\"token operator\">&#061;<\/span> st<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            st<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            cur <span class=\"token operator\">&#061;<\/span> top<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> v<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>9.\u4e8c\u53c9\u6811\u7684\u4e2d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27knzyjixygra.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27vnsfqtcx0d5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u4e2d\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/p>\n<p>\u9898\u89e3:<\/p>\n<p>\u8fd9\u9898\u548c\u4e0a\u4e00\u9898\u7684\u601d\u8def\u57fa\u672c\u4e00\u81f4&#xff0c;\u53ea\u4e0d\u8fc7\u662f\u987a\u5e8f\u6709\u6240\u6539\u53d8<\/p>\n<li>\u5de6\u8def\u8282\u70b9\u5165\u6808<\/li>\n<li>\u8bbf\u95ee\u5de6\u8def\u8282\u70b9\u53ca\u5de6\u8def\u8282\u70b9\u7684\u53f3\u5b50\u6811<\/li>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">inorderTraversal<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        stack<span class=\"token operator\">&lt;<\/span>TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> st<span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> cur <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>root<span class=\"token punctuation\">)<\/span><br \/>\n            cur <span class=\"token operator\">&#061;<\/span> root<span class=\"token punctuation\">;<\/span><br \/>\n        vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> v<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>st<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                st<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                cur <span class=\"token operator\">&#061;<\/span> cur<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            TreeNode<span class=\"token operator\">*<\/span> top <span class=\"token operator\">&#061;<\/span> st<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            st<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            v<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>top<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            cur <span class=\"token operator\">&#061;<\/span> top<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> v<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h2>10.\u4e8c\u53c9\u6811\u7684\u540e\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/h2>\n<p>\u270f\ufe0f\u9898\u76ee\u63cf\u8ff0&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-27jivy4lpo11j.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u270f\ufe0f\u793a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"2025-04-271gogorbqxwh.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f20\u9001\u95e8&#xff1a; \u4e8c\u53c9\u6811\u7684\u540e\u5e8f\u904d\u5386&#xff08;\u975e\u9012\u5f52&#xff09;<\/p>\n<p>\u9898\u89e3:<\/p>\n<p><img decoding=\"async\" src=\"2025-04-272aihztkeut2.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u540e\u5e8f\u904d\u5386\u5176\u5b9e\u4e5f\u662f\u548c\u4e0a\u9762\u5dee\u4e0d\u591a&#xff0c;\u4f46\u662f\u9700\u8981\u786e\u8ba4\u53f3\u8def\u662f\u5426\u8bbf\u95ee\u8fc7&#xff0c;\u4e0d\u7136\u4f1a\u9677\u5165\u6b7b\u5faa\u73af&#xff0c;\u6240\u4ee5\u5b9a\u4e49\u4e00\u4e2a prev \u6765\u786e\u8ba4\u662f\u5426\u8bbf\u95ee\u8fc7<\/p>\n<p>&#x1f4bb;\u4ee3\u7801\u5b9e\u73b0&#xff1a;<\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">postorderTraversal<\/span><span class=\"token punctuation\">(<\/span>TreeNode<span class=\"token operator\">*<\/span> root<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        stack<span class=\"token operator\">&lt;<\/span>TreeNode<span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> st<span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> prev <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        TreeNode<span class=\"token operator\">*<\/span> cur <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">nullptr<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> v<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur <span class=\"token operator\">||<\/span> <span class=\"token operator\">!<\/span>st<span class=\"token punctuation\">.<\/span><span class=\"token function\">empty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                st<span class=\"token punctuation\">.<\/span><span class=\"token function\">push<\/span><span class=\"token punctuation\">(<\/span>cur<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                cur <span class=\"token operator\">&#061;<\/span> cur<span class=\"token operator\">-&gt;<\/span>left<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            TreeNode<span class=\"token operator\">*<\/span> top <span class=\"token operator\">&#061;<\/span> st<span class=\"token punctuation\">.<\/span><span class=\"token function\">top<\/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>top<span class=\"token operator\">-&gt;<\/span>right <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">nullptr<\/span> <span class=\"token operator\">||<\/span> top<span class=\"token operator\">-&gt;<\/span>right <span class=\"token operator\">&#061;&#061;<\/span> prev<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                prev <span class=\"token operator\">&#061;<\/span> top<span class=\"token punctuation\">;<\/span><br \/>\n                v<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>top<span class=\"token operator\">-&gt;<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                st<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                cur <span class=\"token operator\">&#061;<\/span> top<span class=\"token operator\">-&gt;<\/span>right<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> v<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<hr \/>\n<h2>\u5e0c\u671b\u8bfb\u8005\u4eec\u591a\u591a\u4e09\u8fde\u652f\u6301<\/h2>\n<h2>\u5c0f\u7f16\u4f1a\u7ee7\u7eed\u66f4\u65b0<\/h2>\n<h2>\u4f60\u4eec\u7684\u9f13\u52b1\u5c31\u662f\u6211\u524d\u8fdb\u7684\u52a8\u529b&#xff01;<\/h2>\n<p><img decoding=\"async\" src=\"2025-04-27j4pbex4ngrc.gif\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e107\u6b21\uff0c\u6536\u85cf65\u6b21\u3002\u672c\u7bc7\u5bf9\u641c\u7d22\u4e8c\u53c9\u6811\u5e38\u89c1\u7684\u9762\u8bd5OJ\u8fdb\u884c\u4e86\u603b\u7ed3\uff0c\u65b9\u4fbf\u5bf9\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u4f7f\u7528\u65b9\u6cd5\u8fdb\u884c\u603b\u7ed3<\/p>\n","protected":false},"author":2,"featured_media":33362,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,2750,2751,1813,176],"topic":[],"class_list":{"0":"post-33382","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-server","8":"tag-c","10":"tag-2751","11":"tag-1813","12":"tag-176"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \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\/33382.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e107\u6b21\uff0c\u6536\u85cf65\u6b21\u3002\u672c\u7bc7\u5bf9\u641c\u7d22\u4e8c\u53c9\u6811\u5e38\u89c1\u7684\u9762\u8bd5OJ\u8fdb\u884c\u4e86\u603b\u7ed3\uff0c\u65b9\u4fbf\u5bf9\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u4f7f\u7528\u65b9\u6cd5\u8fdb\u884c\u603b\u7ed3\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/33382.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-27T03:23:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032303-680da317452f6.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/33382.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/33382.html\",\"name\":\"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-04-27T03:23:10+00:00\",\"dateModified\":\"2025-04-27T03:23:10+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/33382.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/33382.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/33382.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/33382.html","og_locale":"zh_CN","og_type":"article","og_title":"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e107\u6b21\uff0c\u6536\u85cf65\u6b21\u3002\u672c\u7bc7\u5bf9\u641c\u7d22\u4e8c\u53c9\u6811\u5e38\u89c1\u7684\u9762\u8bd5OJ\u8fdb\u884c\u4e86\u603b\u7ed3\uff0c\u65b9\u4fbf\u5bf9\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u4f7f\u7528\u65b9\u6cd5\u8fdb\u884c\u603b\u7ed3","og_url":"https:\/\/www.wsisp.com\/helps\/33382.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-27T03:23:10+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250427032303-680da317452f6.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"5 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/33382.html","url":"https:\/\/www.wsisp.com\/helps\/33382.html","name":"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-04-27T03:23:10+00:00","dateModified":"2025-04-27T03:23:10+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/33382.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/33382.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/33382.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"C++\u7a7f\u68ad\u6811\u5f71\u95f4\u7684\u667a\u6167\u535a\u5f08\uff1a\u4e8c\u53c9\u641c\u7d22\u6811OJ"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/33382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=33382"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/33382\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/33362"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=33382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=33382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=33382"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=33382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}