{"id":65688,"date":"2026-01-25T15:56:39","date_gmt":"2026-01-25T07:56:39","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65688.html"},"modified":"2026-01-25T15:56:39","modified_gmt":"2026-01-25T07:56:39","slug":"leetcode-887-%e9%b8%a1%e8%9b%8b%e6%8e%89%e8%90%bd-c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65688.html","title":{"rendered":"leetcode-887. \u9e21\u86cb\u6389\u843d-C"},"content":{"rendered":"<p>\u9898\u76ee\u94fe\u63a5<\/p>\n<p>\u7ed9\u4f60 k \u679a\u76f8\u540c\u7684\u9e21\u86cb&#xff0c;\u5e76\u53ef\u4ee5\u4f7f\u7528\u4e00\u680b\u4ece\u7b2c 1 \u5c42\u5230\u7b2c n \u5c42\u5171\u6709 n \u5c42\u697c\u7684\u5efa\u7b51\u3002<\/p>\n<p>\u5df2\u77e5\u5b58\u5728\u697c\u5c42 f &#xff0c;\u6ee1\u8db3 0 &lt;&#061; f &lt;&#061; n &#xff0c;\u4efb\u4f55\u4ece \u9ad8\u4e8e f \u7684\u697c\u5c42\u843d\u4e0b\u7684\u9e21\u86cb\u90fd\u4f1a\u788e&#xff0c;\u4ece f \u697c\u5c42\u6216\u6bd4\u5b83\u4f4e\u7684\u697c\u5c42\u843d\u4e0b\u7684\u9e21\u86cb\u90fd\u4e0d\u4f1a\u7834\u3002<\/p>\n<p>\u6bcf\u6b21\u64cd\u4f5c&#xff0c;\u4f60\u53ef\u4ee5\u53d6\u4e00\u679a\u6ca1\u6709\u788e\u7684\u9e21\u86cb\u5e76\u628a\u5b83\u4ece\u4efb\u4e00\u697c\u5c42 x \u6254\u4e0b&#xff08;\u6ee1\u8db3 1 &lt;&#061; x &lt;&#061; n&#xff09;\u3002\u5982\u679c\u9e21\u86cb\u788e\u4e86&#xff0c;\u4f60\u5c31\u4e0d\u80fd\u518d\u6b21\u4f7f\u7528\u5b83\u3002\u5982\u679c\u67d0\u679a\u9e21\u86cb\u6254\u4e0b\u540e\u6ca1\u6709\u6454\u788e&#xff0c;\u5219\u53ef\u4ee5\u5728\u4e4b\u540e\u7684\u64cd\u4f5c\u4e2d \u91cd\u590d\u4f7f\u7528 \u8fd9\u679a\u9e21\u86cb\u3002<\/p>\n<p>\u8bf7\u4f60\u8ba1\u7b97\u5e76\u8fd4\u56de\u8981\u786e\u5b9a f \u786e\u5207\u7684\u503c \u7684 \u6700\u5c0f\u64cd\u4f5c\u6b21\u6570 \u662f\u591a\u5c11&#xff1f;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">MAX<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span>y<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token operator\">?<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span><span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name function\">MIN<\/span><span class=\"token expression\"><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">,<\/span>y<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token operator\">?<\/span><span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span><span class=\"token operator\">:<\/span><span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">superEggDrop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> k<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> n<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ dp[i][j] i\u4e2a\u9e21\u86cbj\u5c42\u697c\u7684\u6700\u5c0f\u64cd\u4f5c\u6b21\u6570<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> dp<span class=\"token punctuation\">[<\/span>k<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>n<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/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\">0<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span>k<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><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        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">&#061;<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&lt;<\/span>n<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> j<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 punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> INT_MAX<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\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&lt;<\/span>n<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1\u4e2a\u9e21\u86cb<\/span><br \/>\n        dp<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> j<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 0\u4e2a\u9e21\u86cb<\/span><br \/>\n        dp<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <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>k<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><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        <span class=\"token comment\">\/\/ 1\u5c42\u697c<\/span><br \/>\n        dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 0\u5c42\u697c<\/span><br \/>\n        dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <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\">2<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&lt;<\/span>k<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><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        <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">&#061;<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&lt;<\/span>n<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u76f4\u63a5\u904d\u5386\u9009\u62e9\u8d85\u65f6\u95f4\u9650\u5236<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e8c\u5206\u641c\u7d22\u4f18\u5316&#xff1a;\u627e\u5230\u6700\u5927\u7684\u9009\u62e9<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> left <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> right <span class=\"token operator\">&#061;<\/span> j<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> mid<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> lvalue<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> rvalue<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>left<span class=\"token operator\">&#043;<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;<\/span> right<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/      \u9e21\u86cb\u653e\u5728mid\u5c42<\/span><br \/>\n                mid <span class=\"token operator\">&#061;<\/span> left<span class=\"token operator\">&#043;<\/span><span class=\"token punctuation\">(<\/span>right<span class=\"token operator\">&#8211;<\/span>left<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 comment\">\/\/    \u788e\u4e86                  <\/span><br \/>\n                lvalue <span class=\"token operator\">&#061;<\/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 punctuation\">[<\/span>mid<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 comment\">\/\/    \u6ca1\u788e<\/span><br \/>\n                rvalue <span class=\"token operator\">&#061;<\/span> dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#8211;<\/span>mid<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>lvalue <span class=\"token operator\">&gt;<\/span> rvalue<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    right <span class=\"token operator\">&#061;<\/span> mid<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u53f3\u8fb9\u754c<\/span><br \/>\n                    left <span class=\"token operator\">&#061;<\/span> mid<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/ dp[i][j-left] \u5de6\u8fb9\u754c\u9009\u8fd9\u79cd\u65b9\u5f0f\u66f4\u5927<\/span><br \/>\n            <span class=\"token comment\">\/\/ dp[i-1][right-1] \u53f3\u8fb9\u754c\u9009\u8fd9\u79cd\u65b9\u5f0f\u66f4\u5927      <\/span><br \/>\n            dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">MIN<\/span><span class=\"token punctuation\">(<\/span>dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><span class=\"token function\">MIN<\/span><span class=\"token punctuation\">(<\/span>dp<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">&#8211;<\/span>left<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 punctuation\">[<\/span>right<span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#043;<\/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><br \/>\n    <span class=\"token comment\">\/\/ for(int i&#061;0; i&lt;k&#043;1; i&#043;&#043;) {<\/span><br \/>\n    <span class=\"token comment\">\/\/     for(int j&#061;0; j&lt;n&#043;1; j&#043;&#043;) {<\/span><br \/>\n    <span class=\"token comment\">\/\/         printf(&#034;%d &#034;, dp[i][j]);<\/span><br \/>\n    <span class=\"token comment\">\/\/     }<\/span><br \/>\n    <span class=\"token comment\">\/\/     printf(&#034;\\\\n&#034;);<\/span><br \/>\n    <span class=\"token comment\">\/\/ }<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> dp<span class=\"token punctuation\">[<\/span>k<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>n<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u94fe\u63a5<br \/>\n\u7ed9\u4f60 k \u679a\u76f8\u540c\u7684\u9e21\u86cb&#xff0c;\u5e76\u53ef\u4ee5\u4f7f\u7528\u4e00\u680b\u4ece\u7b2c 1 \u5c42\u5230\u7b2c n \u5c42\u5171\u6709 n \u5c42\u697c\u7684\u5efa\u7b51\u3002<br \/>\n\u5df2\u77e5\u5b58\u5728\u697c\u5c42 f &#xff0c;\u6ee1\u8db3 0 &lt; f &lt; n &#xff0c;\u4efb\u4f55\u4ece \u9ad8\u4e8e f \u7684\u697c\u5c42\u843d\u4e0b\u7684\u9e21\u86cb\u90fd\u4f1a\u788e&#xff0c;\u4ece f \u697c\u5c42\u6216\u6bd4\u5b83\u4f4e\u7684\u697c\u5c42\u843d\u4e0b\u7684\u9e21\u86cb\u90fd\u4e0d\u4f1a\u7834\u3002<br \/>\n\u6bcf\u6b21\u64cd\u4f5c&#xff0c;\u4f60\u53ef\u4ee5\u53d6\u4e00\u679a\u6ca1\u6709\u788e\u7684\u9e21\u86cb\u5e76\u628a\u5b83\u4ece\u4efb\u4e00\u697c\u5c42 x \u6254\u4e0b&#xff08;\u6ee1\u8db3 1 &lt; x &lt; 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