{"id":471,"date":"2020-09-26T10:45:37","date_gmt":"2020-09-26T02:45:37","guid":{"rendered":"http:\/\/39.96.58.60\/?p=471"},"modified":"2022-10-18T16:39:14","modified_gmt":"2022-10-18T08:39:14","slug":"leetcode-55-%e8%b7%b3%e8%b7%83%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=471","title":{"rendered":"Leetcode 55. \u8df3\u8dc3\u6e38\u620f"},"content":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4\uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p>\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u4f60\u5728\u8be5\u4f4d\u7f6e\u53ef\u4ee5\u8df3\u8dc3\u7684\u6700\u5927\u957f\u5ea6\u3002<\/p>\n<p>\u5224\u65ad\u4f60\u662f\u5426\u80fd\u591f\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u793a\u4f8b&nbsp;1:<\/strong><\/p>\n<pre><strong>\u8f93\u5165:<\/strong> [2,3,1,1,4]\n\n<strong>\u8f93\u51fa:<\/strong> true\n\n<strong>\u89e3\u91ca:<\/strong> \u6211\u4eec\u53ef\u4ee5\u5148\u8df3 1 \u6b65\uff0c\u4ece\u4f4d\u7f6e 0 \u5230\u8fbe \u4f4d\u7f6e 1, \u7136\u540e\u518d\u4ece\u4f4d\u7f6e 1 \u8df3 3 \u6b65\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u3002\n\n<\/pre>\n<p><strong>\u793a\u4f8b&nbsp;2:<\/strong><\/p>\n<pre><strong>\u8f93\u5165:<\/strong> [3,2,1,0,4]\n\n<strong>\u8f93\u51fa:<\/strong> false\n\n<strong>\u89e3\u91ca:<\/strong> \u65e0\u8bba\u600e\u6837\uff0c\u4f60\u603b\u4f1a\u5230\u8fbe\u7d22\u5f15\u4e3a 3 \u7684\u4f4d\u7f6e\u3002\u4f46\u8be5\u4f4d\u7f6e\u7684\u6700\u5927\u8df3\u8dc3\u957f\u5ea6\u662f 0 \uff0c \u6240\u4ee5\u4f60\u6c38\u8fdc\u4e0d\u53ef\u80fd\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u3002\n\n<\/pre>\n<p>**\u96be\u5ea6**: Medium<\/p>\n<p>**\u6807\u7b7e**: \u8d2a\u5fc3\u7b97\u6cd5\u3001 \u6570\u7ec4\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\uff1a48 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8683.73% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a14.8 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e869.98% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u5f53\u524d\u70b9\u80fd\u5230\u8fbe\u7684\u6700\u8fdc\u70b9\u51b3\u5b9a\u4e86\u5f53\u524d\u70b9\u80fd\u5230\u8fbe\u7684\u8303\u56f4\n    \u53ea\u6709\u80fd\u5230\u8fbe\u7684\u6700\u8fdc\u70b9\u6bd4\u7ed3\u5c3e\u8fdc\uff0c\u5c31\u4e00\u5b9a\u80fd\u5230\u8fbe\n\"\"\"\nclass Solution:\n    def canJump(self, nums: List[int]) -&gt; bool:\n        far = 0 # \u80fd\u5230\u8fbe\u7684\u6700\u8fdc\u70b9\n        for i, num in enumerate(nums):\n            if i &lt;= far:    # \u5982\u679c\u5f53\u524d\u70b9\uff0c\u73b0\u5728\u80fd\u5230\u8fbe\n                far = max(far, i+num)   # \u66f4\u65b0\u80fd\u5230\u8fbe\u7684\u6700\u8fdc\u70b9\n        return far &gt;= i # \u6bd4\u8f83\u80fd\u5230\u8fbe\u7684\u6700\u8fdc\u70b9\u4e0e\u5217\u8868\u957f\u5ea6<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4\uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u4f4d\u7f6e\u3002 \u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u4f60\u5728\u8be5\u4f4d\u7f6e\u53ef\u4ee5\u8df3\u8dc3\u7684\u6700\u5927\u957f\u5ea6\u3002 \u5224\u65ad\u4f60&#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\/471"}],"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=471"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/471\/revisions"}],"predecessor-version":[{"id":472,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/471\/revisions\/472"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=471"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}