{"id":1023,"date":"2025-12-24T02:49:37","date_gmt":"2025-12-23T18:49:37","guid":{"rendered":"https:\/\/www.guanhaobo.cn\/?p=1023"},"modified":"2025-12-24T02:49:37","modified_gmt":"2025-12-23T18:49:37","slug":"leetcode-55-%e8%b7%b3%e8%b7%83%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"https:\/\/www.guanhaobo.cn\/?p=1023","title":{"rendered":"LeetCode 55 \u2013 \u8df3\u8dc3\u6e38\u620f"},"content":{"rendered":"<h1>\u9898\u76ee\u63cf\u8ff0<\/h1>\n<p>\u7ed9\u4f60\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4 nums \uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684 \u7b2c\u4e00\u4e2a\u4e0b\u6807 \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<br \/>\n\u5224\u65ad\u4f60\u662f\u5426\u80fd\u591f\u5230\u8fbe\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\uff0c\u5982\u679c\u53ef\u4ee5\uff0c\u8fd4\u56de true \uff1b\u5426\u5219\uff0c\u8fd4\u56de false \u3002<\/p>\n<p>\u793a\u4f8b\uff1a<br \/>\n\u8f93\u5165\uff1anums = [3,2,1,0,4]<br \/>\n\u8f93\u51fa\uff1afalse<\/p>\n<h1>\u9898\u76ee\u5206\u6790<\/h1>\n<p>\u8868\u9762\u770b\u662f\u4e2a\u641c\u7d22\u95ee\u9898\uff0c\u7528 DFS \u6216 BFS \u90fd\u80fd\u89e3\u51b3\uff0c\u4f46\u65f6\u95f4\u590d\u6742\u5ea6\u592a\u5927\u3002<br \/>\n\u5176\u5b9e\u95ee\u9898\u7684\u5173\u952e\u70b9\u662f\u201c\u6700\u5927\u957f\u5ea6\u201d\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u8ba1\u7b97\u51fa\u8df3\u8dc3\u81f3\u53f3\u4fa7\u7684\u6700\u5927\u8fb9\u754c\uff0c\u5728\u8fb9\u754c\u5de6\u4fa7\u90fd\u662f\u53ef\u4ee5\u5230\u8fbe\u7684\uff0c\u4e0d\u9700\u8981\u56de\u6eaf\u3002<br \/>\n\u6240\u4ee5\u53ea\u9700\u8981\u5728\u8fb9\u754c\u5185\u6bcf\u6b21\u5411\u53f3\u79fb\u52a81\u4f4d\uff0c\u540c\u65f6\u8ba1\u7b97\u65b0\u7684\u6700\u5927\u8df3\u8dc3\u662f\u5426\u8d85\u51fa\u8fb9\u754c\uff0c\u5982\u679c\u8d85\u51fa\u8fb9\u754c\uff0c\u5219\u66f4\u65b0\u8fb9\u754c\u3002\u6700\u540e\u5224\u65ad\u8fb9\u754c\u662f\u5426\u8d85\u51fa\u6700\u540e\u4e00\u4e2a\u4e0b\u6807\u5373\u53ef\u3002<br \/>\n\u65f6\u95f4\u590d\u6742\u5ea6 O(n)<\/p>\n<h1>Java<\/h1>\n<pre><code class=\"language-java line-numbers\">public boolean canJump(int[] nums) {\n    int cur = 0, right = nums[0];\n    while (cur &lt;= right &amp;&amp; right &lt; nums.length) {\n        right = Math.max(cur + nums[cur], right);\n        cur++;\n    }\n    return right &gt;= nums.length - 1;\n}\n<\/code><\/pre>\n<h1>Kotlin<\/h1>\n<pre><code class=\"language-kotlin line-numbers\">fun canJump(nums: IntArray): Boolean {\n    var cur = 0\n    var right = nums[cur]\n    while (right in cur until nums.size) {\n        right = max(right, cur + nums[cur])\n        cur++\n    }\n    return right &gt;= nums.size - 1\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u63cf\u8ff0 \u7ed9\u4f60\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u6570\u7ec4 nums \uff0c\u4f60\u6700\u521d\u4f4d\u4e8e\u6570\u7ec4\u7684 \u7b2c\u4e00\u4e2a\u4e0b\u6807 \u3002\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u4ee3\u8868\u4f60\u5728\u8be5\u4f4d\u7f6e\u53ef\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[20,62],"class_list":["post-1023","post","type-post","status-publish","format-standard","hentry","category-algo","tag-leetcode","tag-62"],"_links":{"self":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1023"}],"version-history":[{"count":1,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1023\/revisions"}],"predecessor-version":[{"id":1024,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/1023\/revisions\/1024"}],"wp:attachment":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}