{"id":707,"date":"2020-09-26T11:13:04","date_gmt":"2020-09-26T03:13:04","guid":{"rendered":"http:\/\/39.96.58.60\/?p=707"},"modified":"2022-10-18T16:38:16","modified_gmt":"2022-10-18T08:38:16","slug":"leetcode-%e9%9d%a2%e8%af%95%e9%a2%98-17-16-%e6%8c%89%e6%91%a9%e5%b8%88","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=707","title":{"rendered":"Leetcode \u9762\u8bd5\u9898 17.16. \u6309\u6469\u5e08"},"content":{"rendered":"<p>\u4e00\u4e2a\u6709\u540d\u7684\u6309\u6469\u5e08\u4f1a\u6536\u5230\u6e90\u6e90\u4e0d\u65ad\u7684\u9884\u7ea6\u8bf7\u6c42\uff0c\u6bcf\u4e2a\u9884\u7ea6\u90fd\u53ef\u4ee5\u9009\u62e9\u63a5\u6216\u4e0d\u63a5\u3002\u5728\u6bcf\u6b21\u9884\u7ea6\u670d\u52a1\u4e4b\u95f4\u8981\u6709\u4f11\u606f\u65f6\u95f4\uff0c\u56e0\u6b64\u5979\u4e0d\u80fd\u63a5\u53d7\u76f8\u90bb\u7684\u9884\u7ea6\u3002\u7ed9\u5b9a\u4e00\u4e2a\u9884\u7ea6\u8bf7\u6c42\u5e8f\u5217\uff0c\u66ff\u6309\u6469\u5e08\u627e\u5230\u6700\u4f18\u7684\u9884\u7ea6\u96c6\u5408\uff08\u603b\u9884\u7ea6\u65f6\u95f4\u6700\u957f\uff09\uff0c\u8fd4\u56de\u603b\u7684\u5206\u949f\u6570\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u672c\u9898\u76f8\u5bf9\u539f\u9898\u7a0d\u4f5c\u6539\u52a8<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u793a\u4f8b 1\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u5165\uff1a<\/strong> [1,2,3,1]\n\n<strong>\u8f93\u51fa\uff1a<\/strong> 4\n\n<strong>\u89e3\u91ca\uff1a<\/strong> \u9009\u62e9 1 \u53f7\u9884\u7ea6\u548c 3 \u53f7\u9884\u7ea6\uff0c\u603b\u65f6\u957f = 1 + 3 = 4\u3002\n\n<\/pre>\n<p><strong>\u793a\u4f8b 2\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u5165\uff1a<\/strong> [2,7,9,3,1]\n\n<strong>\u8f93\u51fa\uff1a<\/strong> 12\n\n<strong>\u89e3\u91ca\uff1a<\/strong> \u9009\u62e9 1 \u53f7\u9884\u7ea6\u3001 3 \u53f7\u9884\u7ea6\u548c 5 \u53f7\u9884\u7ea6\uff0c\u603b\u65f6\u957f = 2 + 9 + 1 = 12\u3002\n\n<\/pre>\n<p><strong>\u793a\u4f8b 3\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u5165\uff1a<\/strong> [2,1,4,5,3,1,1,3]\n\n<strong>\u8f93\u51fa\uff1a<\/strong> 12\n\n<strong>\u89e3\u91ca\uff1a<\/strong> \u9009\u62e9 1 \u53f7\u9884\u7ea6\u3001 3 \u53f7\u9884\u7ea6\u3001 5 \u53f7\u9884\u7ea6\u548c 8 \u53f7\u9884\u7ea6\uff0c\u603b\u65f6\u957f = 2 + 4 + 3 + 3 = 12\u3002\n\n<\/pre>\n<p>**\u96be\u5ea6**: Easy<\/p>\n<p>**\u6807\u7b7e**: \u52a8\u6001\u89c4\u5212\u3001<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-python\" data-lang=\"Python\"><code>\n# -*- coding: utf-8 -*-\n# @Author  : LG\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a16 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e86100.00% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a13.8 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e865.92% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u52a8\u6001\u89c4\u5212\n    \u7531\u4e8e\u4e2d\u95f4\u9700\u8981\u4f11\u606f\uff0c\u4e5f\u5c31\u662f\u6700\u5c11\u9700\u8981\u95f4\u9694\u4e00\u4e2a\u5143\u7d20\uff0c\u6240\u4ee5\u5728\u8ba1\u7b97\u5f53\u524d\u70b9\u65f6\uff0c\u9700\u8981\u8df3\u8fc7\u4e00\u4e2a\u5143\u7d20\u5f80\u524d\u770b\n    \u4f46\u7531\u4e8e\u5728\u8ba1\u7b97\u65f6\uff0c\u5fc5\u987b\u76f8\u9694\u4e00\u4e2a\u5143\u7d20\uff0c\u8fd9\u6837\u5c31\u9020\u6210\u76f8\u9886\u4e24\u4e2a\u5143\u7d20\u7684\u503c\u5927\u5c0f\u4e0d\u5b9a\u3002\n    \u8fd9\u6837\u5728\u8ba1\u7b97\u65f6\uff0c\u5c31\u5fc5\u987b\uff0c\u8df3\u8fc7\u524d\u4e00\u4e2a\u5143\u7d20\uff0c\u6bd4\u8f83\u4e4b\u524d\u4e24\u4e2a\u5143\u7d20\u7684\u5927\u5c0f\n    dp[i] = max(dp[i-2], dp[i-3]) + nums[i]\n\"\"\"\n\nclass Solution:\n    def massage(self, nums: List[int]) -&gt; int:\n        n = len(nums)\n        if n == 0:\n            return 0\n        if n == 1:\n            return nums[0]\n        if n == 2:\n            return max(nums[:2])\n        if n == 2:\n            return max(nums[0]+nums[2], nums[1])\n\n        dp = [[] for _ in range(n)]\n\n        dp[0] = nums[0]\n        dp[1] = max(nums[:2])\n        dp[2] = max(nums[0]+nums[2], nums[1])\n\n        for i in range(3, n):\n            dp[i] = max(dp[i-2], dp[i-3]) + nums[i]\n\n        return max(dp[-2:])<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a\u6709\u540d\u7684\u6309\u6469\u5e08\u4f1a\u6536\u5230\u6e90\u6e90\u4e0d\u65ad\u7684\u9884\u7ea6\u8bf7\u6c42\uff0c\u6bcf\u4e2a\u9884\u7ea6\u90fd\u53ef\u4ee5\u9009\u62e9\u63a5\u6216\u4e0d\u63a5\u3002\u5728\u6bcf\u6b21\u9884\u7ea6\u670d\u52a1\u4e4b\u95f4\u8981\u6709\u4f11\u606f\u65f6\u95f4\uff0c\u56e0\u6b64\u5979\u4e0d&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/707"}],"collection":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=707"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/707\/revisions"}],"predecessor-version":[{"id":708,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/707\/revisions\/708"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=707"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}