{"id":312,"date":"2025-06-29T14:40:00","date_gmt":"2025-06-29T06:40:00","guid":{"rendered":"http:\/\/getzs.online\/?p=312"},"modified":"2025-06-30T22:41:03","modified_gmt":"2025-06-30T14:41:03","slug":"55-%e8%b7%b3%e8%b7%83%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"https:\/\/hello.getzs.online\/index.php\/2025\/06\/29\/55-%e8%b7%b3%e8%b7%83%e6%b8%b8%e6%88%8f\/","title":{"rendered":"55. \u8df3\u8dc3\u6e38\u620f"},"content":{"rendered":"\n<p><a href=\"https:\/\/leetcode.cn\/problems\/jump-game\/\">55. \u8df3\u8dc3\u6e38\u620f<\/a><\/p>\n\n\n\n<p>\u7ed9\u4f60\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4&nbsp;<code>nums<\/code>&nbsp;\uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684&nbsp;<strong>\u7b2c\u4e00\u4e2a\u4e0b\u6807<\/strong>&nbsp;\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<\/p>\n\n\n\n<p>\u5224\u65ad\u4f60\u662f\u5426\u80fd\u591f\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\uff0c\u5982\u679c\u53ef\u4ee5\uff0c\u8fd4\u56de&nbsp;<code>true<\/code>&nbsp;\uff1b\u5426\u5219\uff0c\u8fd4\u56de&nbsp;<code>false<\/code>&nbsp;\u3002<\/p>\n\n\n\n<p><strong>\u793a\u4f8b&nbsp;1\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>\u8f93\u5165\uff1a<\/strong>nums = [2,3,1,1,4]\n<strong>\u8f93\u51fa\uff1a<\/strong>true\n<strong>\u89e3\u91ca\uff1a<\/strong>\u53ef\u4ee5\u5148\u8df3 1 \u6b65\uff0c\u4ece\u4e0b\u6807 0 \u5230\u8fbe\u4e0b\u6807 1, \u7136\u540e\u518d\u4ece\u4e0b\u6807 1 \u8df3 3 \u6b65\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\u3002\n<\/pre>\n\n\n\n<p><strong>\u793a\u4f8b&nbsp;2\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>\u8f93\u5165\uff1a<\/strong>nums = [3,2,1,0,4]\n<strong>\u8f93\u51fa\uff1a<\/strong>false\n<strong>\u89e3\u91ca\uff1a<\/strong>\u65e0\u8bba\u600e\u6837\uff0c\u603b\u4f1a\u5230\u8fbe\u4e0b\u6807\u4e3a 3 \u7684\u4f4d\u7f6e\u3002\u4f46\u8be5\u4e0b\u6807\u7684\u6700\u5927\u8df3\u8dc3\u957f\u5ea6\u662f 0 \uff0c \u6240\u4ee5\u6c38\u8fdc\u4e0d\u53ef\u80fd\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\u3002\n<\/pre>\n\n\n\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>1 &lt;= nums.length &lt;= 10<sup>4<\/sup><\/code><\/li>\n\n\n\n<li><code>0 &lt;= nums[i] &lt;= 10<sup>5<\/sup><\/code><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>    public boolean canJump(int&#91;] nums) {\n        return method1(nums, nums.length);\n    }\n\n    \/**\n     * \u8d2a\u5fc3\n     * 1 ms\n     * \u590d\u6742\u5ea6O(n)\n     *\/\n    public boolean method1(int&#91;] nums, int n) {\n        int max = nums&#91;0];\n        \/\/ \u9650\u5236\u6700\u8fdc\u8fbe\u5230\u8ddd\u79bb\n        for (int i = 0 ; i &lt;= max ; i++) {\n            \/\/ \u8ba1\u7b97\u6bcf\u4e00\u6b65\u7684\u6700\u5927\u8df3\u8f6c\u8ddd\u79bb\n            max = Math.max(max, i + nums&#91;i]);\n            \/\/ \u5230\u6216\u8d85\u51fa\u7ec8\u70b9\u5219\u8fd4\u56detrue\n            if (max >= n - 1) {\n                return true;\n            }\n        }\n        return false;\n    }<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>55. \u8df3\u8dc3\u6e38\u620f \u7ed9\u4f60\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4&nbsp;nums&nbsp;\uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684&nbsp;\u7b2c\u4e00\u4e2a\u4e0b\u6807 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,11],"tags":[],"class_list":["post-312","post","type-post","status-publish","format-standard","hentry","category-leetcode"],"_links":{"self":[{"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/posts\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/comments?post=312"}],"version-history":[{"count":1,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/posts\/312\/revisions"}],"predecessor-version":[{"id":313,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/posts\/312\/revisions\/313"}],"wp:attachment":[{"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/media?parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/categories?post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hello.getzs.online\/index.php\/wp-json\/wp\/v2\/tags?post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}