{"id":37673,"date":"2024-11-26T12:58:53","date_gmt":"2024-11-26T04:58:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37673\/"},"modified":"2024-11-26T12:58:53","modified_gmt":"2024-11-26T04:58:53","slug":"java%e6%95%b0%e7%bb%84%e5%bf%ab%e9%80%9f%e6%8e%92%e5%ba%8f%e6%80%8e%e4%b9%88%e6%8e%92","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37673\/","title":{"rendered":"java\u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u600e\u4e48\u6392"},"content":{"rendered":"<blockquote><p>\n  \u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u4f7f\u7528\u5206\u6cbb\u6cd5\uff0c\u5c06\u6570\u7ec4\u9012\u5f52\u5730\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff0c\u5e76\u6839\u636e\u67a2\u8f74\u5143\u7d20\u6392\u5e8f\u3002\u8be5\u7b97\u6cd5\u7684\u590d\u6742\u5ea6\u4e3a\uff1a\u6700\u597d\u60c5\u51b5\uff1ao(n log n)\u6700\u574f\u60c5\u51b5\uff1ao(n^2)\u5e73\u5747\u60c5\u51b5\uff1ao(n log n)\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111308454214505.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u600e\u4e48\u6392\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u600e\u4e48\u6392\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5<\/strong><\/p>\n<p>\u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u4f7f\u7528\u5206\u6cbb\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p><strong>\u7b97\u6cd5\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><strong>1. \u9009\u62e9\u4e00\u4e2a\u67a2\u8f74\u5143\u7d20\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u901a\u5e38\u9009\u62e9\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n<li>\u6839\u636e\u67a2\u8f74\u5143\u7d20\u5c06\u6570\u7ec4\u5206\u4e3a\u4e24\u90e8\u5206\uff1a\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u90e8\u5206\u548c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u90e8\u5206\u3002<\/li>\n<\/ul>\n<p><strong>2. \u5206\u533a\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\u79fb\u52a8\u5230\u67a2\u8f74\u5143\u7d20\u7684\u5de6\u8fb9\uff0c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\u79fb\u52a8\u5230\u67a2\u8f74\u5143\u7d20\u7684\u53f3\u8fb9\u3002<\/li>\n<li>\u67a2\u8f74\u5143\u7d20\u4fdd\u6301\u5728\u5b83\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p><strong>3. \u9012\u5f52\u6392\u5e8f\u5b50\u6570\u7ec4\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5b50\u6570\u7ec4\u548c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5b50\u6570\u7ec4\u9012\u5f52\u5730\u91cd\u590d\u6b65\u9aa4 1-2\u3002<\/li>\n<\/ul>\n<p><strong>\u7b97\u6cd5\u590d\u6742\u5ea6\uff1a<\/strong><\/p>\n<ul>\n<li>\u6700\u597d\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n log n)<\/li>\n<li>\u6700\u574f\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n^2)<\/li>\n<li>\u5e73\u5747\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n log n)<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>public class QuickSort {\n\n    public static void sort(int[] arr, int low, int high) {\n        if (low &lt; high) {\n            int pivot = partition(arr, low, high);\n            sort(arr, low, pivot - 1);\n            sort(arr, pivot + 1, high);\n        }\n    }\n\n    private static int partition(int[] arr, int low, int high) {\n        int pivot = arr[high];\n        int i = low - 1;\n        for (int j = low; j &lt; high; j++) {\n            if (arr[j] &lt; pivot) {\n                i++;\n                int temp = arr[i];\n                arr[i] = arr[j];\n                arr[j] = temp;\n            }\n        }\n        int temp = arr[i + 1];\n        arr[i + 1] = pivot;\n        arr[high] = temp;\n        return i + 1;\n    }\n\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u600e\u4e48\u6392\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u4f7f\u7528\u5206\u6cbb\u6cd5\uff0c\u5c06\u6570\u7ec4\u9012\u5f52\u5730\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff0c\u5e76\u6839\u636e\u67a2\u8f74\u5143\u7d20\u6392\u5e8f\u3002\u8be5\u7b97\u6cd5\u7684\u590d\u6742\u5ea6\u4e3a\uff1a\u6700\u597d\u60c5\u51b5\uff1ao(n log n)\u6700\u574f\u60c5\u51b5\uff1ao(n^2)\u5e73\u5747\u60c5\u51b5\uff1ao(n log n) Java \u6570\u7ec4\u5feb\u901f\u6392\u5e8f\u7b97\u6cd5 \u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\uff0c\u4f7f\u7528\u5206\u6cbb\u6cd5\u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u3002 \u7b97\u6cd5\u6b65\u9aa4\uff1a 1. \u9009\u62e9\u4e00\u4e2a\u67a2\u8f74\u5143\u7d20\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u901a\u5e38\u9009\u62e9\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002 \u6839\u636e\u67a2\u8f74\u5143\u7d20\u5c06\u6570\u7ec4\u5206\u4e3a\u4e24\u90e8\u5206\uff1a\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u90e8\u5206\u548c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u90e8\u5206\u3002 2. \u5206\u533a\uff1a \u5c06\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\u79fb\u52a8\u5230\u67a2\u8f74\u5143\u7d20\u7684\u5de6\u8fb9\uff0c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5143\u7d20\u79fb\u52a8\u5230\u67a2\u8f74\u5143\u7d20\u7684\u53f3\u8fb9\u3002 \u67a2\u8f74\u5143\u7d20\u4fdd\u6301\u5728\u5b83\u7684\u4f4d\u7f6e\u3002 3. \u9012\u5f52\u6392\u5e8f\u5b50\u6570\u7ec4\uff1a \u5bf9\u5c0f\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5b50\u6570\u7ec4\u548c\u5927\u4e8e\u67a2\u8f74\u5143\u7d20\u7684\u5b50\u6570\u7ec4\u9012\u5f52\u5730\u91cd\u590d\u6b65\u9aa4 1-2\u3002 \u7b97\u6cd5\u590d\u6742\u5ea6\uff1a \u6700\u597d\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n log n) \u6700\u574f\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n^2) \u5e73\u5747\u60c5\u51b5\u65f6\u95f4\u590d\u6742\u5ea6\uff1aO(n log n) \u4ee3\u7801\u793a\u4f8b\uff1a public class QuickSort { public static void sort(int[] arr, int low, int high) { if (low &lt; high) { int pivot = partition(arr, low, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-37673","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=37673"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37673\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37673"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37673"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}