{"id":52324,"date":"2025-08-11T13:19:18","date_gmt":"2025-08-11T05:19:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/52324.html"},"modified":"2025-08-11T13:19:18","modified_gmt":"2025-08-11T05:19:18","slug":"%e3%80%90%e4%b8%ad%e7%ad%89%e3%80%91%e5%8a%9b%e6%89%a3%e7%ae%97%e6%b3%95%e9%a2%98%e8%a7%a3%e6%9e%90leetcode280%ef%bc%9a%e6%91%86%e5%8a%a8%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/52324.html","title":{"rendered":"\u3010\u4e2d\u7b49\u3011\u529b\u6263\u7b97\u6cd5\u9898\u89e3\u6790LeetCode280\uff1a\u6446\u52a8\u6392\u5e8f"},"content":{"rendered":"<p>\u5173\u6ce8\u5e95\u90e8\u540d\u7247\u8fbe\u6587\u6c50&#xff0c;\u5373\u53ef\u83b7\u5f97\u672c\u9898\u5b8c\u6574\u6e90\u7801&#xff01;<\/p>\n<h4>\u9898\u76ee\u8be6\u60c5<\/h4>\n<p>\u7ed9\u5b9a\u4e00\u4e2a\u65e0\u5e8f\u7684\u6570\u7ec4 nums&#xff0c;\u8bf7\u5c06\u5b83\u539f\u5730\u91cd\u65b0\u6392\u5217\u6210\u5982\u4e0b\u5f62\u5f0f&#xff1a; nums[0] &lt;&#061; nums[1] &gt;&#061; nums[2] &lt;&#061; nums[3]&#8230;.<\/p>\n<p>\u793a\u4f8b: \u8f93\u5165&#xff1a;nums &#061; [3,5,2,1,6,4] \u8f93\u51fa&#xff1a;\u4e00\u4e2a\u53ef\u80fd\u7684\u7b54\u6848\u662f [1,6,2,5,3,4] \u6216 [3,5,1,6,2,4]<\/p>\n<p>\u63d0\u793a:<\/p>\n<ul>\n<li>\u539f\u5730\u4fee\u6539\u6570\u7ec4&#xff0c;\u4e0d\u4f7f\u7528\u989d\u5916\u7a7a\u95f4\u3002<\/li>\n<li>\u6570\u7ec4\u603b\u5b58\u5728\u81f3\u5c11\u4e00\u4e2a\u6709\u6548\u7b54\u6848\u3002<\/li>\n<\/ul>\n<hr \/>\n<h4>\u89e3\u9898\u601d\u8def<\/h4>\n<p>\u6838\u5fc3\u6761\u4ef6\u5206\u6790&#xff1a;<\/p>\n<ul>\n<li>\u5947\u6570\u7d22\u5f15 i&#xff08;\u5982 1, 3, 5\u2026&#xff09;&#xff1a;\u9700\u6ee1\u8db3 nums[i] &gt;&#061; nums[i-1]&#xff08;\u6ce2\u5cf0&#xff09;\u3002<\/li>\n<li>\u5076\u6570\u7d22\u5f15 i&#xff08;\u5982 2, 4, 6\u2026&#xff09;&#xff1a;\u9700\u6ee1\u8db3 nums[i] &lt;&#061; nums[i-1]&#xff08;\u6ce2\u8c37&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8d2a\u5fc3\u7b56\u7565&#xff08;O(n) \u89e3\u6cd5&#xff09;&#xff1a;<\/p>\n<li>\u904d\u5386\u6570\u7ec4&#xff1a;\u4ece\u7d22\u5f15 i&#061;1 \u5f00\u59cb&#xff0c;\u9010\u4e2a\u68c0\u67e5\u6bcf\u4e2a\u4f4d\u7f6e\u662f\u5426\u6ee1\u8db3\u4e0a\u8ff0\u6761\u4ef6\u3002<\/li>\n<li>\u4ea4\u6362\u4fee\u590d&#xff1a;\n<ul>\n<li>\u82e5 i \u662f\u5947\u6570\u4f46 nums[i] &lt; nums[i-1]&#xff0c;\u4ea4\u6362\u4e24\u8005&#xff08;\u786e\u4fdd\u5947\u6570\u4f4d\u2265\u524d\u4e00\u4f4d&#xff09;\u3002<\/li>\n<li>\u82e5 i \u662f\u5076\u6570\u4f46 nums[i] &gt; nums[i-1]&#xff0c;\u4ea4\u6362\u4e24\u8005&#xff08;\u786e\u4fdd\u5076\u6570\u4f4d\u2264\u524d\u4e00\u4f4d&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6b63\u786e\u6027\u8bc1\u660e&#xff1a;\n<ul>\n<li>\u6bcf\u6b21\u4ea4\u6362\u53ea\u5f71\u54cd\u76f8\u90bb\u4e24\u9879&#xff0c;\u4e14\u4ea4\u6362\u540e\u5fc5\u6ee1\u8db3\u5f53\u524d\u4f4d\u7684\u6761\u4ef6&#xff08;\u4f8b\u5982\u5947\u6570\u4f4d\u4ea4\u6362\u540e\u5fc5\u6709 nums[i] &gt;&#061; nums[i-1]&#xff09;\u3002<\/li>\n<li>\u7531\u4e8e\u904d\u5386\u662f\u5355\u5411\u7684&#xff08;\u4ece\u5de6\u5230\u53f3&#xff09;&#xff0c;\u4ea4\u6362\u4e0d\u4f1a\u7834\u574f\u5df2\u5904\u7406\u4f4d\u7f6e\u7684\u5408\u6cd5\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u65f6\u95f4\u590d\u6742\u5ea6 O(n)&#xff1a;\u4ec5\u9700\u4e00\u6b21\u904d\u5386\u3002 \u7a7a\u95f4\u590d\u6742\u5ea6 O(1)&#xff1a;\u539f\u5730\u4ea4\u6362&#xff0c;\u65e0\u989d\u5916\u7a7a\u95f4\u3002<\/p>\n<hr \/>\n<h5>\u4ee3\u7801\u5b9e\u73b0&#xff08;Java\u7248&#xff09;<\/h5>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">wiggleSort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> nums<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4ece\u7d22\u5f151\u5f00\u59cb\u904d\u5386&#xff08;\u7d22\u5f150\u65e0\u9700\u5904\u7406&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> nums<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">boolean<\/span> isOddIndex <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">%<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u662f\u5426\u4e3a\u5947\u6570\u7d22\u5f15<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>isOddIndex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5947\u6570\u7d22\u5f15&#xff1a;\u82e5\u5f53\u524d\u503c &lt; \u524d\u4e00\u4e2a\u503c&#xff0c;\u4ea4\u6362<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&lt;<\/span> nums<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5076\u6570\u7d22\u5f15&#xff1a;\u82e5\u5f53\u524d\u503c &gt; \u524d\u4e00\u4e2a\u503c&#xff0c;\u4ea4\u6362<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&gt;<\/span> nums<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>nums<span class=\"token punctuation\">,<\/span> i<span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ea4\u6362\u6570\u7ec4\u4e2d\u7684\u4e24\u4e2a\u5143\u7d20<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> nums<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> j<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> temp <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        nums<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> nums<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        nums<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> temp<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h5>\u4ee3\u7801\u8bf4\u660e<\/h5>\n<li>\u904d\u5386\u8d77\u70b9&#xff1a;\u4ece i&#061;1 \u5f00\u59cb&#xff0c;\u56e0\u4e3a\u7d22\u5f15 0 \u6ca1\u6709\u524d\u9a71\u8282\u70b9&#xff0c;\u65e0\u9700\u68c0\u67e5\u3002<\/li>\n<li>\u7d22\u5f15\u7c7b\u578b\u5224\u65ad&#xff1a;\n<ul>\n<li>i % 2 &#061;&#061; 1 \u8868\u793a\u5947\u6570\u7d22\u5f15&#xff08;\u5982 1, 3&#xff09;&#xff0c;\u8981\u6c42\u503c \u2265 \u524d\u4e00\u4e2a\u503c\u3002<\/li>\n<li>\u5076\u6570\u7d22\u5f15&#xff08;\u5982 2, 4&#xff09;&#xff0c;\u8981\u6c42\u503c \u2264 \u524d\u4e00\u4e2a\u503c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u4ea4\u6362\u6761\u4ef6&#xff1a;\n<ul>\n<li>\u5947\u6570\u7d22\u5f15\u4e0d\u6ee1\u8db3 \u2265 \u65f6\u4ea4\u6362&#xff08;\u5982 [1,2] \u2192 \u4ea4\u6362\u4e3a [2,1]&#xff0c;\u6b64\u65f6 2\u22651 \u6210\u7acb&#xff09;\u3002<\/li>\n<li>\u5076\u6570\u7d22\u5f15\u4e0d\u6ee1\u8db3 \u2264 \u65f6\u4ea4\u6362&#xff08;\u5982 [3,1] \u2192 \u4ea4\u6362\u4e3a [1,3]&#xff0c;\u6b64\u65f6 1\u22643 \u6210\u7acb&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u539f\u5730\u4fee\u6539&#xff1a;swap \u51fd\u6570\u901a\u8fc7\u4e34\u65f6\u53d8\u91cf\u5b9e\u73b0\u539f\u5730\u4ea4\u6362&#xff0c;\u6ee1\u8db3\u9898\u76ee\u7a7a\u95f4\u8981\u6c42\u3002<\/li>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811051912-68997d502d7c7.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u6211\u7684\u540d\u7247&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;&#x1f447;<\/h4>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb219\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u539f\u5730\u91cd\u65b0\u6392\u5217\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u4f7f\u5176\u6ee1\u8db3&quot;\u6ce2\u5cf0\u6ce2\u8c37&quot;\u4ea4\u66ff\u7684\u6761\u4ef6\u3002\u901a\u8fc7\u8d2a\u5fc3\u7b56\u7565\uff0c\u9010\u4e00\u68c0\u67e5\u6bcf\u4e2a\u4f4d\u7f6e\uff0c\u82e5\u4e0d\u6ee1\u8db3\u6761\u4ef6\u5219\u4ea4\u6362\u76f8\u90bb\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\uff0c\u7a7a\u95f4\u590d\u6742\u5ea6O(1)\u3002\u6587\u7ae0\u5305\u542bJava\u5b9e\u73b0\u4ee3\u7801\uff0c\u8be6\u7ec6\u89e3\u91ca\u4e86\u904d\u5386\u8d77\u70b9\u3001\u7d22\u5f15\u7c7b\u578b\u5224\u65ad\u548c\u4ea4\u6362\u6761\u4ef6\u7b49\u5173\u952e\u6b65\u9aa4\uff0c\u5e76\u9644\u6709\u89e3\u9898\u601d\u8def\u548c\u4ee3\u7801\u8bf4\u660e\u3002<\/p>\n","protected":false},"author":2,"featured_media":52323,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,2692,5246,4323,1813,427,124],"topic":[],"class_list":["post-52324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-java","tag-leetcode","tag-leetcode201-400","tag-4323","tag-1813","tag-427","tag-124"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u4e2d\u7b49\u3011\u529b\u6263\u7b97\u6cd5\u9898\u89e3\u6790LeetCode280\uff1a\u6446\u52a8\u6392\u5e8f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/52324.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u4e2d\u7b49\u3011\u529b\u6263\u7b97\u6cd5\u9898\u89e3\u6790LeetCode280\uff1a\u6446\u52a8\u6392\u5e8f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb219\u6b21\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u4e00\u79cd\u539f\u5730\u91cd\u65b0\u6392\u5217\u6570\u7ec4\u7684\u65b9\u6cd5\uff0c\u4f7f\u5176\u6ee1\u8db3&quot;\u6ce2\u5cf0\u6ce2\u8c37&quot;\u4ea4\u66ff\u7684\u6761\u4ef6\u3002\u901a\u8fc7\u8d2a\u5fc3\u7b56\u7565\uff0c\u9010\u4e00\u68c0\u67e5\u6bcf\u4e2a\u4f4d\u7f6e\uff0c\u82e5\u4e0d\u6ee1\u8db3\u6761\u4ef6\u5219\u4ea4\u6362\u76f8\u90bb\u5143\u7d20\u3002\u8be5\u65b9\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\uff0c\u7a7a\u95f4\u590d\u6742\u5ea6O(1)\u3002\u6587\u7ae0\u5305\u542bJava\u5b9e\u73b0\u4ee3\u7801\uff0c\u8be6\u7ec6\u89e3\u91ca\u4e86\u904d\u5386\u8d77\u70b9\u3001\u7d22\u5f15\u7c7b\u578b\u5224\u65ad\u548c\u4ea4\u6362\u6761\u4ef6\u7b49\u5173\u952e\u6b65\u9aa4\uff0c\u5e76\u9644\u6709\u89e3\u9898\u601d\u8def\u548c\u4ee3\u7801\u8bf4\u660e\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/52324.html\" \/>\n<meta property=\"og:site_name\" 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