{"id":95159,"date":"2026-08-16T11:32:54","date_gmt":"2026-08-16T03:32:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/95159.html"},"modified":"2026-08-16T11:32:54","modified_gmt":"2026-08-16T03:32:54","slug":"hot100_%e6%9c%80%e5%a4%a7%e5%ad%90%e6%95%b0%e7%bb%84%e5%92%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/95159.html","title":{"rendered":"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c"},"content":{"rendered":"<h2>\u5206\u6790<\/h2>\n<p>\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u00a0nums\u00a0&#xff0c;\u8bf7\u4f60\u627e\u51fa\u4e00\u4e2a\u5177\u6709\u6700\u5927\u548c\u7684\u8fde\u7eed\u5b50\u6570\u7ec4&#xff08;\u5b50\u6570\u7ec4\u6700\u5c11\u5305\u542b\u4e00\u4e2a\u5143\u7d20&#xff09;&#xff0c;\u8fd4\u56de\u5176\u6700\u5927\u548c\u3002<\/p>\n<p>\u5b50\u6570\u7ec4\u662f\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u8fde\u7eed\u90e8\u5206\u3002<\/p>\n<hr \/>\n<h2>\u9898\u89e3<\/h2>\n<h4>\u6734\u7d20\u52a8\u6001\u89c4\u5212<\/h4>\n<p>\u6838\u5fc3\u601d\u60f3&#xff1a;<\/p>\n<li>\n<p>DP \u72b6\u6001\u5b9a\u4e49 dp[i]&#xff1a;\u4ee5 \u4e0b\u6807 i \u7ed3\u5c3e \u7684\u8fde\u7eed\u5b50\u6570\u7ec4\u7684\u6700\u5927\u548c\u3002 \u5173\u952e\u70b9&#xff1a;\u5fc5\u987b\u4ee5 i \u7ed3\u5c3e&#xff0c;\u4fdd\u8bc1\u8fde\u7eed\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>\u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b&#xff08;\u6838\u5fc3\u516c\u5f0f&#xff09; <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>           d<\/p>\n<p>           p<\/p>\n<p>           [<\/p>\n<p>           i<\/p>\n<p>           ]<\/p>\n<p>           &#061;<\/p>\n<p>           max<\/p>\n<p>           \u2061<\/p>\n<p>           (<\/p>\n<p>           n<\/p>\n<p>           u<\/p>\n<p>           m<\/p>\n<p>           s<\/p>\n<p>           [<\/p>\n<p>           i<\/p>\n<p>           ]<\/p>\n<p>           ,<\/p>\n<p>           \u00a0<\/p>\n<p>           d<\/p>\n<p>           p<\/p>\n<p>           [<\/p>\n<p>           i<\/p>\n<p>           \u2212<\/p>\n<p>           1<\/p>\n<p>           ]<\/p>\n<p>           &#043;<\/p>\n<p>           n<\/p>\n<p>           u<\/p>\n<p>           m<\/p>\n<p>           s<\/p>\n<p>           [<\/p>\n<p>           i<\/p>\n<p>           ]<\/p>\n<p>           )<\/p>\n<p>          dp[i] &#061; \\\\max(nums[i],\\\\ dp[i-1] &#043; nums[i])<\/p>\n<p>       <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mord mathnormal\">p<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mclose\">]<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mord mathnormal\">m<\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mclose\">]<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\">\u00a0<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mord mathnormal\">p<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">1<\/span><span class=\"mclose\">]<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mord mathnormal\">m<\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mclose\">])<\/span><\/span><\/span><\/span><\/span><\/span> \u4e24\u79cd\u9009\u62e9&#xff1a;<\/p>\n<\/li>\n<ul>\n<li>\n<p>\u820d\u5f03\u524d\u9762&#xff1a;\u5b50\u6570\u7ec4\u4ece\u5f53\u524d\u5143\u7d20\u91cd\u65b0\u5f00\u59cb&#xff0c;\u53d6 nums[i]<\/p>\n<\/li>\n<li>\n<p>\u63a5\u4e0a\u524d\u9762&#xff1a;\u628a\u5f53\u524d\u5143\u7d20\u62fc\u63a5\u5230\u524d\u4e00\u4e2a\u6700\u4f18\u5b50\u6570\u7ec4\u540e&#xff0c;\u53d6 dp[i-1] &#043; nums[i]<\/p>\n<\/li>\n<\/ul>\n<p>\u5168\u5c40\u7b54\u6848&#xff1a;\u904d\u5386\u6240\u6709dp[i] \u53d6\u6700\u5927\u503c\u3002<\/p>\n<p>\u4ee3\u7801<\/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    <span class=\"token keyword\">int<\/span> <span class=\"token function\">maxSubArray<\/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> nums<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> nums<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        vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">dp<\/span><span class=\"token punctuation\">(<\/span>n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        dp<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> maxSum <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/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;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> dp<span class=\"token punctuation\">[<\/span>i<span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#043;<\/span> nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            maxSum <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>maxSum<span class=\"token punctuation\">,<\/span> dp<span class=\"token punctuation\">[<\/span>i<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\">return<\/span> maxSum<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<p>\u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         n<\/p>\n<p>         )<\/p>\n<p>        O(n)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u7a7a\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         n<\/p>\n<p>         )<\/p>\n<p>        O(n)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/p>\n<h4>\u6700\u4f18\u89e3&#xff1a;Kadane \u8d2a\u5fc3 DP&#xff08;\u7a7a\u95f4\u4f18\u5316&#xff09;<\/h4>\n<p>\u4f18\u5316\u601d\u8def<\/p>\n<p>\u89c2\u5bdf DP \u65b9\u7a0b&#xff1a;dp[i] \u53ea\u4f9d\u8d56 dp[i-1]&#xff0c;\u4e0d\u9700\u8981\u5b58\u6574\u4e2a\u6570\u7ec4\u3002<\/p>\n<p>\u7528\u5355\u4e2a\u53d8\u91cf\u6eda\u52a8\u66ff\u6362 dp \u6570\u7ec4&#xff1a;<\/p>\n<ul>\n<li>\n<p>curSum&#xff1a;\u66ff\u4ee3 dp[i]&#xff0c;\u5f53\u524d\u7ed3\u5c3e\u7684\u6700\u5927\u5b50\u6570\u7ec4\u548c<\/p>\n<\/li>\n<li>\n<p>maxSum&#xff1a;\u5168\u5c40\u6700\u5927\u503c<\/p>\n<\/li>\n<\/ul>\n<p>\u4ee3\u7801<\/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    <span class=\"token keyword\">int<\/span> <span class=\"token function\">maxSubArray<\/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> nums<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> curSum <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> maxSum <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/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;<\/span> nums<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> <span class=\"token operator\">&#043;&#043;<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            curSum <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> curSum <span class=\"token operator\">&#043;<\/span> nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            maxSum <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>maxSum<span class=\"token punctuation\">,<\/span> curSum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> maxSum<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<p>\u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         n<\/p>\n<p>         )<\/p>\n<p>        O(n)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u7a7a\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         1<\/p>\n<p>         )<\/p>\n<p>        O(1)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">1<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/p>\n<h4>\u62d3\u5c55\u89e3\u6cd5&#xff1a;\u5206\u6cbb\u7b97\u6cd5<\/h4>\n<p>\u5206\u6cbb\u6838\u5fc3\u601d\u60f3<\/p>\n<p>\u6700\u5927\u5b50\u6570\u7ec4\u53ea\u5b58\u5728\u4e09\u79cd\u60c5\u51b5&#xff1a;<\/p>\n<li>\n<p>\u5b8c\u5168\u5728\u5de6\u534a\u533a\u95f4<\/p>\n<\/li>\n<li>\n<p>\u5b8c\u5168\u5728\u53f3\u534a\u533a\u95f4<\/p>\n<\/li>\n<li>\n<p>\u8de8\u8d8a\u4e2d\u70b9&#xff08;\u5de6\u540e\u7f00 &#043; \u53f3\u524d\u7f00&#xff09;<\/p>\n<\/li>\n<p>\u9012\u5f52\u6c42\u89e3\u5de6\u53f3\u6700\u5927\u503c&#xff0c;\u518d\u8ba1\u7b97\u8de8\u4e2d\u70b9\u6700\u5927\u503c&#xff0c;\u4e09\u8005\u53d6\u6700\u5927\u3002<\/p>\n<p>\u4ee3\u7801<\/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    <span class=\"token keyword\">int<\/span> <span class=\"token function\">maxSubArray<\/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> nums<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">divide<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> nums<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><\/p>\n<p>    <span class=\"token keyword\">int<\/span> <span class=\"token function\">divide<\/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> nums<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> l<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>l <span class=\"token operator\">&#061;&#061;<\/span> r<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> nums<span class=\"token punctuation\">[<\/span>l<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> mid <span class=\"token operator\">&#061;<\/span> l <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&#8211;<\/span> l<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> leftMax <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">divide<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> l<span class=\"token punctuation\">,<\/span> mid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> rightMax <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">divide<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> mid<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> crossMax <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">getCross<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> l<span class=\"token punctuation\">,<\/span> mid<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span>leftMax<span class=\"token punctuation\">,<\/span> rightMax<span class=\"token punctuation\">,<\/span> crossMax<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">int<\/span> <span class=\"token function\">getCross<\/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> nums<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> l<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> mid<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> r<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> leftSum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> leftMaxSum <span class=\"token operator\">&#061;<\/span> INT_MIN<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> mid<span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&gt;&#061;<\/span> l<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            leftSum <span class=\"token operator\">&#043;&#061;<\/span> nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            leftMaxSum <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>leftMaxSum<span class=\"token punctuation\">,<\/span> leftSum<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> rightSum <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> rightMaxSum <span class=\"token operator\">&#061;<\/span> INT_MIN<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> mid<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> r<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            rightSum <span class=\"token operator\">&#043;&#061;<\/span> nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            rightMaxSum <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>rightMaxSum<span class=\"token punctuation\">,<\/span> rightSum<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> leftMaxSum <span class=\"token operator\">&#043;<\/span> rightMaxSum<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<p>\u8865\u5145&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         c<\/p>\n<p>         r<\/p>\n<p>         o<\/p>\n<p>         s<\/p>\n<p>         s<\/p>\n<p>         M<\/p>\n<p>         a<\/p>\n<p>         x<\/p>\n<p>         &#061;<\/p>\n<p>         (<\/p>\n<p>           max<\/p>\n<p>           \u2061<\/p>\n<p>           k<\/p>\n<p>           \u2208<\/p>\n<p>           [<\/p>\n<p>           l<\/p>\n<p>           ,<\/p>\n<p>           m<\/p>\n<p>           i<\/p>\n<p>           d<\/p>\n<p>           ]<\/p>\n<p>          \u2211<\/p>\n<p>           i<\/p>\n<p>           &#061;<\/p>\n<p>           k<\/p>\n<p>           m<\/p>\n<p>           i<\/p>\n<p>           d<\/p>\n<p>         n<\/p>\n<p>         u<\/p>\n<p>         m<\/p>\n<p>         s<\/p>\n<p>         [<\/p>\n<p>         i<\/p>\n<p>         ]<\/p>\n<p>         )<\/p>\n<p>         &#043;<\/p>\n<p>         (<\/p>\n<p>           max<\/p>\n<p>           \u2061<\/p>\n<p>           k<\/p>\n<p>           \u2208<\/p>\n<p>           [<\/p>\n<p>           m<\/p>\n<p>           i<\/p>\n<p>           d<\/p>\n<p>           &#043;<\/p>\n<p>           1<\/p>\n<p>           ,<\/p>\n<p>           r<\/p>\n<p>           ]<\/p>\n<p>          \u2211<\/p>\n<p>           i<\/p>\n<p>           &#061;<\/p>\n<p>           m<\/p>\n<p>           i<\/p>\n<p>           d<\/p>\n<p>           &#043;<\/p>\n<p>           1<\/p>\n<p>          k<\/p>\n<p>         n<\/p>\n<p>         u<\/p>\n<p>         m<\/p>\n<p>         s<\/p>\n<p>         [<\/p>\n<p>         i<\/p>\n<p>         ]<\/p>\n<p>         )<\/p>\n<p>        crossMax &#061; \\\\Bigl(\\\\max_{k\\\\in[l,mid]}\\\\sum_{i&#061;k}^{mid}nums[i]\\\\Bigr) &#043;\\\\Bigl(\\\\max_{k\\\\in[mid&#043;1,r]}\\\\sum_{i&#061;mid&#043;1}^{k}nums[i]\\\\Bigr)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">cr<\/span><span class=\"mord mathnormal\">oss<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">M<\/span><span class=\"mord mathnormal\">a<\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 3.1382em;vertical-align: -1.3021em\"><\/span><span class=\"mopen\"><span class=\"delimsizing size2\">(<\/span><\/span><span class=\"mop op-limits\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.4306em\"><span class=\"\" style=\"top: -2.309em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0315em\">k<\/span><span class=\"mrel mtight\">\u2208<\/span><span class=\"mopen mtight\">[<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0197em\">l<\/span><span class=\"mpunct mtight\">,<\/span><span class=\"mord mathnormal mtight\">mi<\/span><span class=\"mord mathnormal mtight\">d<\/span><span class=\"mclose mtight\">]<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"\"><span class=\"mop\">max<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.966em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop op-limits\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.8361em\"><span class=\"\" style=\"top: -1.8479em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">i<\/span><span class=\"mrel mtight\">&#061;<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0315em\">k<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.05em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"\"><span class=\"mop op-symbol large-op\">\u2211<\/span><\/span><\/span><span class=\"\" style=\"top: -4.3em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">mi<\/span><span class=\"mord mathnormal mtight\">d<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.3021em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mord mathnormal\">m<\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mclose\">]<\/span><span class=\"mclose\"><span class=\"delimsizing size2\">)<\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 3.1966em;vertical-align: -1.3604em\"><\/span><span class=\"mopen\"><span class=\"delimsizing size2\">(<\/span><\/span><span class=\"mop op-limits\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.4306em\"><span class=\"\" style=\"top: -2.309em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0315em\">k<\/span><span class=\"mrel mtight\">\u2208<\/span><span class=\"mopen mtight\">[<\/span><span class=\"mord mathnormal mtight\">mi<\/span><span class=\"mord mathnormal mtight\">d<\/span><span class=\"mbin mtight\">&#043;<\/span><span class=\"mord mtight\">1<\/span><span class=\"mpunct mtight\">,<\/span><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mclose mtight\">]<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"\"><span class=\"mop\">max<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.966em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop op-limits\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.8361em\"><span class=\"\" style=\"top: -1.8479em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">i<\/span><span class=\"mrel mtight\">&#061;<\/span><span class=\"mord mathnormal mtight\">mi<\/span><span class=\"mord mathnormal mtight\">d<\/span><span class=\"mbin mtight\">&#043;<\/span><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"\" style=\"top: -3.05em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"\"><span class=\"mop op-symbol large-op\">\u2211<\/span><\/span><\/span><span class=\"\" style=\"top: -4.3em;margin-left: 0em\"><span class=\"pstrut\" style=\"height: 3.05em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0315em\">k<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.3604em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mord mathnormal\">u<\/span><span class=\"mord mathnormal\">m<\/span><span class=\"mord mathnormal\">s<\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mclose\">]<\/span><span class=\"mclose\"><span class=\"delimsizing size2\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li>\u7b2c\u4e00\u90e8\u5206&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         [<\/p>\n<p>         l<\/p>\n<p>         ,<\/p>\n<p>         m<\/p>\n<p>         i<\/p>\n<p>         d<\/p>\n<p>         ]<\/p>\n<p>        [l,mid]<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0197em\">l<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">mi<\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mclose\">]<\/span><\/span><\/span><\/span><\/span> \u5185\u4ee5 mid \u7ed3\u5c3e\u7684\u6700\u5927\u540e\u7f00\u548c<\/li>\n<li>\u7b2c\u4e8c\u90e8\u5206&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">\n<p>         [<\/p>\n<p>         m<\/p>\n<p>         i<\/p>\n<p>         d<\/p>\n<p>         &#043;<\/p>\n<p>         1<\/p>\n<p>         ,<\/p>\n<p>         r<\/p>\n<p>         ]<\/p>\n<p>        [mid&#043;1,r]<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">[<\/span><span class=\"mord mathnormal\">mi<\/span><span class=\"mord mathnormal\">d<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">1<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">r<\/span><span class=\"mclose\">]<\/span><\/span><\/span><\/span><\/span> \u5185\u4ee5 mid&#043;1 \u5f00\u5934\u7684\u6700\u5927\u524d\u7f00\u548c<\/li>\n<\/ul>\n<p>\u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         n<\/p>\n<p>         l<\/p>\n<p>         o<\/p>\n<p>         g<\/p>\n<p>         n<\/p>\n<p>         )<\/p>\n<p>        O(nlogn)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0197em\">l<\/span><span class=\"mord mathnormal\">o<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">g<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u7a7a\u95f4\u590d\u6742\u5ea6&#xff1a;<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         O<\/p>\n<p>         (<\/p>\n<p>         l<\/p>\n<p>         o<\/p>\n<p>         g<\/p>\n<p>         n<\/p>\n<p>         )<\/p>\n<p>        O(logn)<\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">O<\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0197em\">l<\/span><span class=\"mord mathnormal\">o<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">g<\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u9012\u5f52\u6808<\/p>\n<h4>\u4e09\u79cd\u7b97\u6cd5\u5bf9\u6bd4\u603b\u7ed3<\/h4>\n<table>\n<tr>\u7b97\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u7a7a\u95f4\u590d\u6742\u5ea6\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u6734\u7d20 DP<\/td>\n<td>O(n)<\/td>\n<td>O(n)<\/td>\n<td>\u6559\u5b66\u7406\u89e3<\/td>\n<\/tr>\n<tr>\n<td>Kadane&#xff08;\u4f18\u5316DP&#xff09;<\/td>\n<td>O(n)<\/td>\n<td>O(1)<\/td>\n<td>\u5237\u9898\u3001\u9762\u8bd5\u6700\u4f18\u89e3<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u6cbb<\/td>\n<td>O(nlogn)<\/td>\n<td>O(logn)<\/td>\n<td>\u9762\u8bd5\u62d3\u5c55\u3001\u601d\u7ef4\u8003\u5bdf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>53. \u6700\u5927\u5b50\u6570\u7ec4\u548c &#8211; \u529b\u6263&#xff08;LeetCode&#xff09;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790<br \/>\n\u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u00a0nums\u00a0&#xff0c;\u8bf7\u4f60\u627e\u51fa\u4e00\u4e2a\u5177\u6709\u6700\u5927\u548c\u7684\u8fde\u7eed\u5b50\u6570\u7ec4&#xff08;\u5b50\u6570\u7ec4\u6700\u5c11\u5305\u542b\u4e00\u4e2a\u5143\u7d20&#xff09;&#xff0c;\u8fd4\u56de\u5176\u6700\u5927\u548c\u3002<br \/>\n\u5b50\u6570\u7ec4\u662f\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u8fde\u7eed\u90e8\u5206\u3002 \u9898\u89e3<br \/>\n\u6734\u7d20\u52a8\u6001\u89c4\u5212<br \/>\n\u6838\u5fc3\u601d\u60f3&#xff1a; DP \u72b6\u6001\u5b9a\u4e49 dp[i]&#xff1a;\u4ee5 \u4e0b\u6807 i \u7ed3\u5c3e \u7684\u8fde\u7eed\u5b50\u6570\u7ec4\u7684\u6700\u5927\u548c\u3002 \u5173\u952e\u70b9&#xff1a;\u5fc5\u987b\u4ee5 i \u7ed3\u5c3e&#xff0c;\u4fdd\u8bc1\u8fde\u7eed\u6027\u3002  \u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b&#xff08;\u6838\u5fc3\u516c\u5f0f&#xff09; dp[i]ma<\/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":[2692,427],"topic":[],"class_list":["post-95159","post","type-post","status-publish","format-standard","hentry","category-server","tag-leetcode","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \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\/95159.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u5206\u6790 \u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u00a0nums\u00a0&#xff0c;\u8bf7\u4f60\u627e\u51fa\u4e00\u4e2a\u5177\u6709\u6700\u5927\u548c\u7684\u8fde\u7eed\u5b50\u6570\u7ec4&#xff08;\u5b50\u6570\u7ec4\u6700\u5c11\u5305\u542b\u4e00\u4e2a\u5143\u7d20&#xff09;&#xff0c;\u8fd4\u56de\u5176\u6700\u5927\u548c\u3002 \u5b50\u6570\u7ec4\u662f\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u8fde\u7eed\u90e8\u5206\u3002 \u9898\u89e3 \u6734\u7d20\u52a8\u6001\u89c4\u5212 \u6838\u5fc3\u601d\u60f3&#xff1a; DP \u72b6\u6001\u5b9a\u4e49 dp[i]&#xff1a;\u4ee5 \u4e0b\u6807 i \u7ed3\u5c3e \u7684\u8fde\u7eed\u5b50\u6570\u7ec4\u7684\u6700\u5927\u548c\u3002 \u5173\u952e\u70b9&#xff1a;\u5fc5\u987b\u4ee5 i \u7ed3\u5c3e&#xff0c;\u4fdd\u8bc1\u8fde\u7eed\u6027\u3002 \u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b&#xff08;\u6838\u5fc3\u516c\u5f0f&#xff09; dp[i]ma\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/95159.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-16T03:32:54+00:00\" \/>\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=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/95159.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/95159.html\",\"name\":\"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-08-16T03:32:54+00:00\",\"dateModified\":\"2026-08-16T03:32:54+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/95159.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/95159.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/95159.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c\"}]},{\"@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":"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \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\/95159.html","og_locale":"zh_CN","og_type":"article","og_title":"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u5206\u6790 \u7ed9\u4f60\u4e00\u4e2a\u6574\u6570\u6570\u7ec4\u00a0nums\u00a0&#xff0c;\u8bf7\u4f60\u627e\u51fa\u4e00\u4e2a\u5177\u6709\u6700\u5927\u548c\u7684\u8fde\u7eed\u5b50\u6570\u7ec4&#xff08;\u5b50\u6570\u7ec4\u6700\u5c11\u5305\u542b\u4e00\u4e2a\u5143\u7d20&#xff09;&#xff0c;\u8fd4\u56de\u5176\u6700\u5927\u548c\u3002 \u5b50\u6570\u7ec4\u662f\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u8fde\u7eed\u90e8\u5206\u3002 \u9898\u89e3 \u6734\u7d20\u52a8\u6001\u89c4\u5212 \u6838\u5fc3\u601d\u60f3&#xff1a; DP \u72b6\u6001\u5b9a\u4e49 dp[i]&#xff1a;\u4ee5 \u4e0b\u6807 i \u7ed3\u5c3e \u7684\u8fde\u7eed\u5b50\u6570\u7ec4\u7684\u6700\u5927\u548c\u3002 \u5173\u952e\u70b9&#xff1a;\u5fc5\u987b\u4ee5 i \u7ed3\u5c3e&#xff0c;\u4fdd\u8bc1\u8fde\u7eed\u6027\u3002 \u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b&#xff08;\u6838\u5fc3\u516c\u5f0f&#xff09; dp[i]ma","og_url":"https:\/\/www.wsisp.com\/helps\/95159.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-08-16T03:32:54+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/95159.html","url":"https:\/\/www.wsisp.com\/helps\/95159.html","name":"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-08-16T03:32:54+00:00","dateModified":"2026-08-16T03:32:54+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/95159.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/95159.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/95159.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"hot100_\u6700\u5927\u5b50\u6570\u7ec4\u548c"}]},{"@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\/95159","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=95159"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/95159\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=95159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=95159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=95159"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=95159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}