{"id":1743,"date":"2022-01-10T16:24:53","date_gmt":"2022-01-10T08:24:53","guid":{"rendered":"http:\/\/139.9.1.231\/?p=1743"},"modified":"2022-01-10T16:24:54","modified_gmt":"2022-01-10T08:24:54","slug":"leetcodeday11","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/01\/10\/leetcodeday11\/","title":{"rendered":"leetcodeday11 —\u76db\u6700\u591a\u6c34\u7684\u5bb9\u5668"},"content":{"rendered":"\n

\u672c\u9898\u7528\u5230\u7684\u65b9\u6cd5\uff1a\u53cc\u6307\u9488\uff0c\u5728\u6570\u7ec4\u9996\u5c3e\u90e8\u8bbe\u4e24\u4e2a\u6307\u9488\uff0c\u6839\u636e\u6307\u9488\u7684\u503c\u7684\u5927\u5c0f\uff0c\u6bcf\u6b21\u66f4\u65b0\u4e00\u4e2a\u6307\u9488\u3002<\/p>\n\n\n\n

\u7ed9\u4f60 n<\/code> \u4e2a\u975e\u8d1f\u6574\u6570 a1<\/sub>\uff0ca2\uff0c<\/sub>...\uff0ca<\/code>n<\/code>\uff0c<\/sub>\u6bcf\u4e2a\u6570\u4ee3\u8868\u5750\u6807\u4e2d\u7684\u4e00\u4e2a\u70b9 (i, ai<\/sub>)<\/code> \u3002\u5728\u5750\u6807\u5185\u753b n<\/code> \u6761\u5782\u76f4\u7ebf\uff0c\u5782\u76f4\u7ebf i<\/code> \u7684\u4e24\u4e2a\u7aef\u70b9\u5206\u522b\u4e3a (i, ai<\/sub>)<\/code> \u548c (i, 0)<\/code> \u3002\u627e\u51fa\u5176\u4e2d\u7684\u4e24\u6761\u7ebf\uff0c\u4f7f\u5f97\u5b83\u4eec\u4e0e x<\/code> \u8f74\u5171\u540c\u6784\u6210\u7684\u5bb9\u5668\u53ef\u4ee5\u5bb9\u7eb3\u6700\u591a\u7684\u6c34\u3002<\/p>\n\n\n\n

\u8bf4\u660e\uff1a<\/strong>\u4f60\u4e0d\u80fd\u503e\u659c\u5bb9\u5668\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u65b9\u6cd51\uff1a\u66b4\u529b\u6c42\u89e3\uff0c\u904d\u5386\u5c31\u5b8c\u4e86<\/p>\n\n\n\n

# @lc code=start\r\nclass Solution:\r\n    def maxArea(self, height: List[int]) -> int:\r\n        maxwarter=0\r\n        for i in range(len(height)-1):\r\n            j=i+1\r\n            while j<=len(height)-1:\r\n                new=min(height[i],height[j])*(j-i)\r\n                maxwarter=maxwarter if new<maxwarter else new\r\n                j=j+1\r\n        return maxwarter\r\n# @lc code=end\r\n<\/code><\/pre>\n\n\n\n
\u7136\u800c\uff1a\u8d85\u51fa\u65f6\u95f4\u9650\u5236\u4e86<\/p>\n\n\n\n
\u5b98\u65b9\u65b9\u6cd5\uff1a\u53cc\u6307\u9488<\/p>\n\n\n\n
[1, 8, 6, 2, 5, 4, 8, 3, 7]<\/p>\n\n\n\n
\u5728\u521d\u59cb\u65f6\uff0c\u5de6\u53f3\u6307\u9488\u5206\u522b\u6307\u5411\u6570\u7ec4\u7684\u5de6\u53f3\u4e24\u7aef\uff0c\u5b83\u4eec\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3a min(1, 7) * 8 = 8\u3002<\/p>\n\n\n\n
\u6b64\u65f6\u6211\u4eec\u9700\u8981\u79fb\u52a8\u4e00\u4e2a\u6307\u9488\u3002\u79fb\u52a8\u54ea\u4e00\u4e2a\u5462\uff1f\u76f4\u89c9\u544a\u8bc9\u6211\u4eec\uff0c\u5e94\u8be5\u79fb\u52a8\u5bf9\u5e94\u6570\u5b57\u8f83\u5c0f\u7684\u90a3\u4e2a\u6307\u9488\uff08\u5373\u6b64\u65f6\u7684\u5de6\u6307\u9488\uff09\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u7531\u4e8e\u5bb9\u7eb3\u7684\u6c34\u91cf\u662f\u7531<\/p>\n\n\n\n
\u4e24\u4e2a\u6307\u9488\u6307\u5411\u7684\u6570\u5b57\u4e2d\u8f83\u5c0f\u503c * \u6307\u9488\u4e4b\u95f4\u7684\u8ddd\u79bb<\/p>\n\n\n\n
\u51b3\u5b9a\u7684\u3002\u5982\u679c\u6211\u4eec\u79fb\u52a8\u6570\u5b57\u8f83\u5927\u7684\u90a3\u4e2a\u6307\u9488\uff0c\u90a3\u4e48\u524d\u8005\u300c\u4e24\u4e2a\u6307\u9488\u6307\u5411\u7684\u6570\u5b57\u4e2d\u8f83\u5c0f\u503c\u300d\u4e0d\u4f1a\u589e\u52a0\uff0c\u540e\u8005\u300c\u6307\u9488\u4e4b\u95f4\u7684\u8ddd\u79bb\u300d\u4f1a\u51cf\u5c0f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4e58\u79ef\u4f1a\u51cf\u5c0f\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u79fb\u52a8\u6570\u5b57\u8f83\u5927\u7684\u90a3\u4e2a\u6307\u9488\u662f\u4e0d\u5408\u7406\u7684\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u79fb\u52a8 \u6570\u5b57\u8f83\u5c0f\u7684\u90a3\u4e2a\u6307\u9488\u3002<\/p>\n\n\n\n
\u6709\u8bfb\u8005\u53ef\u80fd\u4f1a\u4ea7\u751f\u7591\u95ee\uff1a\u6211\u4eec\u53ef\u4e0d\u53ef\u4ee5\u540c\u65f6\u79fb\u52a8\u4e24\u4e2a\u6307\u9488\uff1f \u5148\u522b\u6025\uff0c\u6211\u4eec\u5148\u5047\u8bbe \u603b\u662f\u79fb\u52a8\u6570\u5b57\u8f83\u5c0f\u7684\u90a3\u4e2a\u6307\u9488 \u7684\u601d\u8def\u662f\u6b63\u786e\u7684\uff0c\u5728\u8d70\u5b8c\u6d41\u7a0b\u4e4b\u540e\uff0c\u6211\u4eec\u518d\u53bb\u8fdb\u884c\u8bc1\u660e\u3002<\/p>\n\n\n\n
\u6240\u4ee5\uff0c\u6211\u4eec\u5c06\u5de6\u6307\u9488\u5411\u53f3\u79fb\u52a8\uff1a<\/p>\n\n\n\n
[1, 8, 6, 2, 5, 4, 8, 3, 7]

\u6b64\u65f6\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3amin(8,7)\u22177=49\u3002\u7531\u4e8e\u53f3\u6307\u9488\u5bf9\u5e94\u7684\u6570\u5b57\u8f83\u5c0f\uff0c\u6211\u4eec\u79fb\u52a8\u53f3\u6307\u9488\uff1a<\/p>\n\n\n\n
[1, 8, 6, 2, 5, 4, 8, 3, 7]

\u6b64\u65f6\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3a min(8,3)\u22176=18\u3002\u7531\u4e8e\u53f3\u6307\u9488\u5bf9\u5e94\u7684\u6570\u5b57\u8f83\u5c0f\uff0c\u6211\u4eec\u79fb\u52a8\u53f3\u6307\u9488\uff1a<\/p>\n\n\n\n
[1, 8, 6, 2, 5, 4, 8, 3, 7]

\u6b64\u65f6\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3amin(8,8)\u22175=40\u3002\u4e24\u6307\u9488\u5bf9\u5e94\u7684\u6570\u5b57\u76f8\u540c\uff0c\u6211\u4eec\u53ef\u4ee5\u4efb\u610f\u79fb\u52a8\u4e00\u4e2a\uff0c\u4f8b\u5982\u5de6\u6307\u9488\uff1a<\/p>\n\n\n\n
[1, 8, 6, 2, 5, 4, 8, 3, 7]

\u6b64\u65f6\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3amin(6,8)\u22174=24\u3002\u7531\u4e8e\u5de6\u6307\u9488\u5bf9\u5e94\u7684\u6570\u5b57\u8f83\u5c0f\uff0c\u6211\u4eec\u79fb\u52a8\u5de6\u6307\u9488\uff0c\u5e76\u4e14\u53ef\u4ee5\u53d1\u73b0\uff0c\u5728\u8fd9\u4e4b\u540e\u5de6\u6307\u9488\u5bf9\u5e94\u7684\u6570\u5b57\u603b\u662f\u8f83\u5c0f\uff0c\u56e0\u6b64\u6211\u4eec\u4f1a\u4e00\u76f4\u79fb\u52a8\u5de6\u6307\u9488\uff0c\u76f4\u5230\u4e24\u4e2a\u6307\u9488\u91cd\u5408\u3002\u5728\u8fd9\u671f\u95f4\uff0c\u5bf9\u5e94\u7684\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6c34\u91cf\u4e3a\uff1amin(2,8)\u22173=6\uff0cmin(5,8)\u22172=10\uff0cmin(4,8)\u22171=4\u3002<\/p>\n\n\n\n
\u5728\u6211\u4eec\u79fb\u52a8\u6307\u9488\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8ba1\u7b97\u5230\u7684\u6700\u591a\u53ef\u4ee5\u5bb9\u7eb3\u7684\u6570\u91cf\u4e3a 49\uff0c\u5373\u4e3a\u6700\u7ec8\u7684\u7b54\u6848\u3002<\/p>\n\n\n\n
# @lc code=start\r\nclass Solution:\r\n    def maxArea(self, height: List[int]) -> int:\r\n        maxwarter=0\r\n        i=0\r\n        j=len(height)-1\r\n        while i<j:\r\n            new =min(height[i],height[j])*(j-i)\r\n            maxwarter=new if new>maxwarter else maxwarter\r\n            if height[i]>=height[j]:\r\n               j=j-1\r\n            else: i=i+1\r\n\r\n        return maxwarter\r\n# @lc code=end<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"\/
\u665a\u5b89<\/figcaption><\/figure>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u9898\u7528\u5230\u7684\u65b9\u6cd5\uff1a\u53cc\u6307\u9488\uff0c\u5728\u6570\u7ec4\u9996\u5c3e\u90e8\u8bbe\u4e24\u4e2a\u6307\u9488\uff0c\u6839\u636e\u6307\u9488\u7684\u503c\u7684\u5927\u5c0f\uff0c\u6bcf\u6b21\u66f4\u65b0\u4e00\u4e2a\u6307\u9488\u3002 \u7ed9\u4f60 n&n … \u7ee7\u7eed\u9605\u8bfbleetcodeday11 —\u76db\u6700\u591a\u6c34\u7684\u5bb9\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/1743"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=1743"}],"version-history":[{"count":7,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/1743\/revisions"}],"predecessor-version":[{"id":1752,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/1743\/revisions\/1752"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=1743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=1743"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=1743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}