﻿{"id":486,"date":"2017-10-13T16:38:08","date_gmt":"2017-10-13T08:38:08","guid":{"rendered":"http:\/\/www.chenweikang.top\/?p=486"},"modified":"2017-10-13T16:38:08","modified_gmt":"2017-10-13T08:38:08","slug":"%e4%b9%9d%e5%a4%a7%e5%9f%ba%e7%a1%80%e6%8e%92%e5%ba%8f%e6%80%bb%e7%bb%93%e4%b8%8e%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/www.chenweikang.top\/?p=486","title":{"rendered":"\u4e5d\u5927\u57fa\u7840\u6392\u5e8f\u603b\u7ed3\u4e0e\u5bf9\u6bd4"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e00\u3001\u5bf9\u6bd4\u5206\u6790\u56fe<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/img.blog.csdn.net\/20160607144411150\" width=\"1131\" height=\"590\" \/><\/div>\n<ul>\n<li>\u5747\u6309\u4ece\u5c0f\u5230\u5927\u6392\u5217<\/li>\n<li>k\u4ee3\u8868\u6570\u503c\u4e2d\u7684\u201d\u6570\u4f4d\u201d\u4e2a\u6570<\/li>\n<li>n\u4ee3\u8868\u6570\u636e\u89c4\u6a21<\/li>\n<li>m\u4ee3\u8868\u6570\u636e\u7684\u6700\u5927\u503c\u51cf\u6700\u5c0f\u503c<\/li>\n<\/ul>\n<blockquote><p>\u7a33\u5b9a\u6027\uff1a\u7a33\u5b9a\u6392\u5e8f\u7b97\u6cd5\u4f1a\u8ba9\u539f\u672c\u6709\u76f8\u7b49\u952e\u503c\u7684\u7eaa\u5f55\u7ef4\u6301\u76f8\u5bf9\u6b21\u5e8f\u3002\u4e5f\u5c31\u662f\u5982\u679c\u4e00\u4e2a\u6392\u5e8f\u7b97\u6cd5\u662f\u7a33\u5b9a\u7684\uff0c\u5f53\u6709\u4e24\u4e2a\u76f8\u7b49\u952e\u503c\u7684\u7eaa\u5f55R\u548cS\uff0c\u4e14\u5728\u539f\u672c\u7684\u5217\u8868\u4e2dR\u51fa\u73b0\u5728S\u4e4b\u524d\uff0c\u5728\u6392\u5e8f\u8fc7\u7684\u5217\u8868\u4e2dR\u4e5f\u5c06\u4f1a\u662f\u5728S\u4e4b\u524d\u3002<\/p><\/blockquote>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e8c\u3001\u5192\u6ce1\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title\"><\/h2>\n<h1 id=\"\u6982\u8ff0\">\u6982\u8ff0<\/h1>\n<p>\u5192\u6ce1\u6392\u5e8f\u901a\u8fc7\u91cd\u590d\u5730\u8d70\u8bbf\u8fc7\u8981\u6392\u5e8f\u7684\u6570\u5217\uff0c\u4e00\u6b21\u6bd4\u8f83\u4e24\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u4ed6\u4eec\u7684\u987a\u5e8f\u9519\u8bef\u5c31\u628a\u4ed6\u4eec\u4ea4\u6362\u8fc7\u6765\uff0c\u76f4\u5230\u6ca1\u6709\u518d\u9700\u8981\u4ea4\u6362\u7684\u5143\u7d20\u4e3a\u6b62\uff08\u5bf9n\u4e2a\u9879\u76ee\u9700\u8981O(n^2)\u7684\u6bd4\u8f83\u6b21\u6570\uff09\u3002\u8fd9\u4e2a\u7b97\u6cd5\u7684\u540d\u5b57\u7531\u6765\u662f\u56e0\u4e3a\u8d8a\u5c0f\u7684\u5143\u7d20\u4f1a\u7ecf\u7531\u4ea4\u6362\u6162\u6162\u201c\u6d6e\u201d\u5230\u6570\u5217\u7684\u9876\u7aef\u3002<\/p>\n<h1 id=\"\u5b9e\u73b0\u6b65\u9aa4\">\u5b9e\u73b0\u6b65\u9aa4<\/h1>\n<ol>\n<li>\u6bd4\u8f83\u76f8\u90bb\u7684\u5143\u7d20\u3002\u5982\u679c\u7b2c\u4e00\u4e2a\u6bd4\u7b2c\u4e8c\u4e2a\u5927\uff0c\u5c31\u4ea4\u6362\u4ed6\u4eec\u4e24\u4e2a\u3002<\/li>\n<li>\u5bf9\u6bcf\u4e00\u5bf9\u76f8\u90bb\u5143\u7d20\u505a\u540c\u6837\u7684\u5de5\u4f5c\uff0c\u4ece\u5f00\u59cb\u7b2c\u4e00\u5bf9\u5230\u7ed3\u5c3e\u7684\u6700\u540e\u4e00\u5bf9\u3002\u8fd9\u6b65\u505a\u5b8c\u540e\uff0c\u6700\u540e\u7684\u5143\u7d20\u4f1a\u662f\u6700\u5927\u7684\u6570\u3002<\/li>\n<li>\u9488\u5bf9\u6240\u6709\u7684\u5143\u7d20\u91cd\u590d\u4ee5\u4e0a\u7684\u6b65\u9aa4\uff0c\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u3002<\/li>\n<li>\u6301\u7eed\u6bcf\u6b21\u5bf9\u8d8a\u6765\u8d8a\u5c11\u7684\u5143\u7d20\u91cd\u590d\u4e0a\u9762\u7684\u6b65\u9aa4\uff0c\u76f4\u5230\u6ca1\u6709\u4efb\u4f55\u4e00\u5bf9\u6570\u5b57\u9700\u8981\u6bd4\u8f83\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160511102808244\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5192\u6ce1\u6392\u5e8f\u4e3a\u4e00\u5217\u6570\u5b57\u8fdb\u884c\u6392\u5e8f\u7684\u8fc7\u7a0b<\/p>\n<h1 id=\"\u5b9e\u73b0\u6027\u80fd\">\u5b9e\u73b0\u6027\u80fd<\/h1>\n<ul>\n<li>\u6700\u5dee\u65f6\u95f4\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<blockquote><p>O(n^2)<\/p><\/blockquote>\n<ul>\n<li>\u6700\u4f18\u65f6\u95f4\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<blockquote><p>O(n)<\/p><\/blockquote>\n<ul>\n<li>\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<blockquote><p>O(n^2)<\/p><\/blockquote>\n<ul>\n<li>\u6700\u5dee\u7a7a\u95f4\u590d\u6742\u5ea6<\/li>\n<\/ul>\n<blockquote><p>\u603b\u5171O(n)\uff0c\u9700\u8981\u8f85\u52a9\u7a7a\u95f4O(1)<\/p><\/blockquote>\n<h1 id=\"java\u5b9e\u73b0\">Java\u5b9e\u73b0<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        <span class=\"hljs-keyword\">int<\/span>[] number = {<span class=\"hljs-number\">95<\/span>,<span class=\"hljs-number\">45<\/span>,<span class=\"hljs-number\">15<\/span>,<span class=\"hljs-number\">78<\/span>,<span class=\"hljs-number\">84<\/span>,<span class=\"hljs-number\">51<\/span>,<span class=\"hljs-number\">24<\/span>,<span class=\"hljs-number\">12<\/span>};\r\n        bubble_sort(number);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; number.length; i++) {\r\n            System.<span class=\"hljs-keyword\">out<\/span>.print(number[i] + <span class=\"hljs-string\">\" \"<\/span>);\r\n            }\r\n    }\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">bubble_sort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] arr) {\r\n            <span class=\"hljs-keyword\">int<\/span>  temp, len = arr.length;\r\n            <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; len - <span class=\"hljs-number\">1<\/span>; i++)\r\n                <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">int<\/span> j = <span class=\"hljs-number\">0<\/span>; j &lt; len - <span class=\"hljs-number\">1<\/span> - i; j++)\r\n                    <span class=\"hljs-keyword\">if<\/span> (arr[j] &gt; arr[j + <span class=\"hljs-number\">1<\/span>]) {\r\n                        temp = arr[j];\r\n                        arr[j] = arr[j + <span class=\"hljs-number\">1<\/span>];\r\n                        arr[j + <span class=\"hljs-number\">1<\/span>] = temp;\r\n                }\r\n        }<\/code><\/pre>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e09\u3001\u9009\u62e9\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-1\"><\/h2>\n<h1 id=\"\u9009\u62e9\u6392\u5e8f\">\u9009\u62e9\u6392\u5e8f<\/h1>\n<p>\u5e38\u7528\u7684\u9009\u62e9\u6392\u5e8f\u65b9\u6cd5\u6709\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u548c\u5806\u6392\u5e8f\uff0c\u8fd9\u91cc\u53ea\u8bf4\u7b80\u5355\u9009\u62e9\u6392\u5e8f\uff0c\u5806\u6392\u5e8f\u540e\u9762\u518d\u8bf4\u3002<\/p>\n<h1 id=\"\u7b80\u5355\u9009\u62e9\u6392\u5e8f\">\u7b80\u5355\u9009\u62e9\u6392\u5e8f<\/h1>\n<p>\u8bbe\u6240\u6392\u5e8f\u5e8f\u5217\u7684\u8bb0\u5f55\u4e2a\u6570\u4e3an\uff0ci\u3000\u53d6\u30001,2,\u2026,n-1\u3000\u3002<br \/>\n\u4ece\u6240\u6709n-i+1\u4e2a\u8bb0\u5f55\uff08Ri,Ri+1,\u2026,Rn\uff09\u4e2d\u627e\u51fa\u6392\u5e8f\u7801\u6700\u5c0f\uff08\u6216\u6700\u5927\uff09\u7684\u8bb0\u5f55\uff0c\u4e0e\u7b2ci\u4e2a\u8bb0\u5f55\u4ea4\u6362\u3002\u6267\u884cn-1\u8d9f \u540e\u5c31\u5b8c\u6210\u4e86\u8bb0\u5f55\u5e8f\u5217\u7684\u6392\u5e8f\u3002<\/p>\n<p>\u4ee5\u6392\u5e8f\u6570\u7ec4\uff5b3\uff0c2\uff0c1\uff0c4\uff0c6\uff0c5\uff5d\u4e3a\u4f8b<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160511111047864\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160511111210100\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h1 id=\"\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u6027\u80fd\">\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u6027\u80fd<\/h1>\n<p>\u5728\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u8fc7\u7a0b\u4e2d\uff0c\u6240\u9700\u79fb\u52a8\u8bb0\u5f55\u7684\u6b21\u6570\u6bd4\u8f83\u5c11\u3002\u6700\u597d\u60c5\u51b5\u4e0b\uff0c\u5373\u5f85\u6392\u5e8f\u8bb0\u5f55\u521d\u59cb\u72b6\u6001\u5c31\u5df2\u7ecf\u662f\u6b63\u5e8f\u6392\u5217\u4e86\uff0c\u5219\u4e0d\u9700\u8981\u79fb\u52a8\u8bb0\u5f55\u3002<br \/>\n\u6700\u574f\u60c5\u51b5\u4e0b\uff0c\u5373\u5f85\u6392\u5e8f\u8bb0\u5f55\u521d\u59cb\u72b6\u6001\u662f\u6309\u7b2c\u4e00\u6761\u8bb0\u5f55\u6700\u5927\uff0c\u4e4b\u540e\u7684\u8bb0\u5f55\u4ece\u5c0f\u5230\u5927\u987a\u5e8f\u6392\u5217\uff0c\u5219\u9700\u8981\u79fb\u52a8\u8bb0\u5f55\u7684\u6b21\u6570\u6700\u591a\u4e3a3\uff08n-1\uff09\u3002<\/p>\n<p>\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u8fc7\u7a0b\u4e2d\u9700\u8981\u8fdb\u884c\u7684\u6bd4\u8f83\u6b21\u6570\u4e0e\u521d\u59cb\u72b6\u6001\u4e0b\u5f85\u6392\u5e8f\u7684\u8bb0\u5f55\u5e8f\u5217\u7684\u6392\u5217\u60c5\u51b5<strong>\u65e0\u5173<\/strong>\u3002<br \/>\n\u5f53i=1\u65f6\uff0c\u9700\u8fdb\u884cn-1\u6b21\u6bd4\u8f83\uff1b\u5f53i=2\u65f6\uff0c\u9700\u8fdb\u884cn-2\u6b21\u6bd4\u8f83\uff1b\u4f9d\u6b21\u7c7b\u63a8\uff0c\u5171\u9700\u8981\u8fdb\u884c\u7684\u6bd4\u8f83\u6b21\u6570\u662f(n-1)+(n-2)+\u2026+2+1=n(n-1)\/2\uff0c\u5373\u8fdb\u884c<strong>\u6bd4\u8f83\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n^2)<\/strong>\uff0c\u8fdb\u884c\u79fb\u52a8\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a<strong>O(n)<\/strong>\u3002<\/p>\n<p>\u7b80\u5355\u9009\u62e9\u6392\u5e8f\u662f\u4e0d\u7a33\u5b9a\u6392\u5e8f\u3002<\/p>\n<h1 id=\"\u7b80\u5355\u9009\u62e9\u6392\u5e8fjava\u5b9e\u73b0\">\u7b80\u5355\u9009\u62e9\u6392\u5e8fJava\u5b9e\u73b0<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        <span class=\"hljs-keyword\">int<\/span>[] number = {<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">4<\/span>,<span class=\"hljs-number\">5<\/span>,<span class=\"hljs-number\">24<\/span>,<span class=\"hljs-number\">12<\/span>};\r\n        SimpleSort(number);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; number.length; i++) {\r\n            System.<span class=\"hljs-keyword\">out<\/span>.print(number[i] + <span class=\"hljs-string\">\" \"<\/span>);\r\n            }\r\n    }\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">SimpleSort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] arr) {\r\n            <span class=\"hljs-keyword\">int<\/span> length=arr.length;\r\n            <span class=\"hljs-keyword\">int<\/span> temp;\r\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i=<span class=\"hljs-number\">0<\/span>;i&lt;length-<span class=\"hljs-number\">1<\/span>;i++){\r\n                <span class=\"hljs-keyword\">int<\/span> min=i;\r\n                <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> j=i+<span class=\"hljs-number\">1<\/span>;j&lt;length;j++){ <span class=\"hljs-comment\">\/\/\u5bfb\u627e\u6700\u5c0f\u7684\u6570<\/span>\r\n                    <span class=\"hljs-keyword\">if<\/span>(arr[j]&lt;arr[min]){\r\n                        min =j;\r\n                    }\r\n                }\r\n                <span class=\"hljs-keyword\">if<\/span>(min!=i){\r\n                     temp = arr[min];\r\n                     arr[min]=arr[i];\r\n                     arr[i]=temp;\r\n                }\r\n            }\r\n        }   <\/code><\/pre>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u56db\u3001\u5e0c\u5c14\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-2\"><\/h2>\n<h1 id=\"\u6982\u8ff0-1\">\u6982\u8ff0<\/h1>\n<p>\u5e0c\u5c14\u6392\u5e8f\u6cd5(\u7f29\u5c0f\u589e\u91cf\u6cd5) \u5c5e\u4e8e\u63d2\u5165\u7c7b\u6392\u5e8f\uff0c\u662f\u5c06\u6574\u4e2a\u65e0\u5e8f\u5217\u5206\u5272\u6210\u82e5\u5e72\u5c0f\u7684\u5b50\u5e8f\u5217\u5206\u522b\u8fdb\u884c\u63d2\u5165\u6392\u5e8f\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u628a\u8bb0\u5f55\u6309\u4e0b\u6807\u7684\u4e00\u5b9a\u589e\u91cf\u5206\u7ec4\uff0c\u5bf9\u6bcf\u7ec4\u4f7f\u7528\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u7b97\u6cd5\u6392\u5e8f\uff1b\u968f\u7740\u589e\u91cf\u9010\u6e10\u51cf\u5c11\uff0c\u6bcf\u7ec4\u5305\u542b\u7684\u5173\u952e\u8bcd\u8d8a\u6765\u8d8a\u591a\uff0c\u5f53\u589e\u91cf\u51cf\u81f31\u65f6\uff0c\u6574\u4e2a\u6587\u4ef6\u6070\u88ab\u5206\u6210\u4e00\u7ec4\uff0c\u7b97\u6cd5\u4fbf\u7ec8\u6b62\u3002<\/p>\n<p>\u5e0c\u5c14\u6392\u5e8f\u662f\u57fa\u4e8e\u63d2\u5165\u6392\u5e8f\u7684\u4ee5\u4e0b\u4e24\u70b9\u6027\u8d28\u800c\u63d0\u51fa\u6539\u8fdb\u65b9\u6cd5\u7684\uff1a<\/p>\n<ul>\n<li>\u63d2\u5165\u6392\u5e8f\u5728\u5bf9\u51e0\u4e4e\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u6570\u636e\u64cd\u4f5c\u65f6\uff0c\u6548\u7387\u9ad8\uff0c\u5373\u53ef\u4ee5\u8fbe\u5230\u7ebf\u6027\u6392\u5e8f\u7684\u6548\u7387\u3002<\/li>\n<li>\u4f46\u63d2\u5165\u6392\u5e8f\u4e00\u822c\u6765\u8bf4\u662f\u4f4e\u6548\u7684\uff0c\u56e0\u4e3a\u63d2\u5165\u6392\u5e8f\u6bcf\u6b21\u53ea\u80fd\u5c06\u6570\u636e\u79fb\u52a8\u4e00\u4f4d\u3002<\/li>\n<\/ul>\n<h1 id=\"\u5b9e\u73b0\u8fc7\u7a0b\">\u5b9e\u73b0\u8fc7\u7a0b<\/h1>\n<p>\u5148\u53d6\u4e00\u4e2a\u6b63\u6574\u6570d1\u5c0f\u4e8en\uff0c\u628a\u6240\u6709\u5e8f\u53f7\u76f8\u9694d1\u7684\u6570\u7ec4\u5143\u7d20\u653e\u4e00\u7ec4\uff0c\u7ec4\u5185\u8fdb\u884c\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\uff1b\u7136\u540e\u53d6d2\u5c0f\u4e8ed1\uff0c\u91cd\u590d\u4e0a\u8ff0\u5206\u7ec4\u548c\u6392\u5e8f\u64cd\u4f5c\uff1b\u76f4\u81f3di=1\uff0c\u5373\u6240\u6709\u8bb0\u5f55\u653e\u8fdb\u4e00\u4e2a\u7ec4\u4e2d\u6392\u5e8f\u4e3a\u6b62\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6709\u8fd9\u6837\u4e00\u7ec4\u6570[ 13 14 94 33 82 25 59 94 65 23 45 27 73 25 39 10 ]\uff0c\u5982\u679c\u6211\u4eec\u4ee5\u6b65\u957f\u4e3a5\u5f00\u59cb\u8fdb\u884c\u6392\u5e8f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u8fd9\u5217\u8868\u653e\u5728\u67095\u5217\u7684\u8868\u4e2d\u6765\u66f4\u597d\u5730\u63cf\u8ff0\u7b97\u6cd5\uff0c\u8fd9\u6837\u4ed6\u4eec\u5c31\u5e94\u8be5\u770b\u8d77\u6765\u662f\u8fd9\u6837\uff1a<\/p>\n<blockquote><p>13 14 94 33 82<\/p>\n<p>25 59 94 65 23<\/p>\n<p>45 27 73 25 39<\/p>\n<p>10<\/p><\/blockquote>\n<p>\u7136\u540e\u6211\u4eec\u5bf9\u6bcf\u5217\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<blockquote><p>10 14 73 25 23<\/p>\n<p>13 27 94 33 39<\/p>\n<p>25 59 94 65 82<\/p>\n<p>45<\/p><\/blockquote>\n<p>\u5c06\u4e0a\u8ff0\u56db\u884c\u6570\u5b57\uff0c\u4f9d\u5e8f\u63a5\u5728\u4e00\u8d77\u65f6\u6211\u4eec\u5f97\u5230\uff1a[ 10 14 73 25 23 13 27 94 33 39 25 59 94 65 82 45 ].\u8fd9\u65f610\u5df2\u7ecf\u79fb\u81f3\u6b63\u786e\u4f4d\u7f6e\u4e86\uff0c\u7136\u540e\u518d\u4ee53\u4e3a\u6b65\u957f\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<blockquote><p>10 14 73<\/p>\n<p><span style=\"line-height: inherit;\">25 23 13\u00a0<\/span><\/p>\n<p>27 94 33<\/p>\n<p>39 25 59<\/p>\n<p>94 65 82<\/p>\n<p>45<\/p><\/blockquote>\n<p>\u6392\u5e8f\u4e4b\u540e\u53d8\u4e3a\uff1a<\/p>\n<blockquote><p>10 14 13<br \/>\n25 23 33<br \/>\n27 25 59<br \/>\n39 65 73<br \/>\n45 94 82<br \/>\n94<\/p><\/blockquote>\n<p>\u6700\u540e\u4ee51\u6b65\u957f\u8fdb\u884c\u6392\u5e8f\uff08\u6b64\u65f6\u5c31\u662f\u7b80\u5355\u7684\u63d2\u5165\u6392\u5e8f\u4e86\uff09\u3002<\/p>\n<h1 id=\"\u5b9e\u73b0\u6548\u7387\">\u5b9e\u73b0\u6548\u7387<\/h1>\n<p>\u5e0c\u5c14\u6392\u5e8f\u662f\u4e00\u4e2a\u4e0d\u7a33\u5b9a\u7684\u6392\u5e8f\uff0c\u5176\u65f6\u95f4\u590d\u6742\u5ea6\u53d7<strong>\u6b65\u957f\uff08\u589e\u91cf\uff09<\/strong>\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u7a7a\u95f4\u590d\u6742\u5ea6\uff1a\u3000\uff2f(1)<\/p>\n<p>\u65f6\u95f4\u590d\u6742\u5ea6\uff1a\u3000\u5e73\u5747 O(n^1.3)<br \/>\n\u6700\u597d\u3000O(n)<br \/>\n\u6700\u574f\u3000O(n^2)<\/p>\n<h1 id=\"java\u5b9e\u73b0-1\">Java\u5b9e\u73b0<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">shellSort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] a) {\r\n        <span class=\"hljs-keyword\">int<\/span> gap = <span class=\"hljs-number\">1<\/span>, i, j, len = a.length;\r\n        <span class=\"hljs-keyword\">int<\/span> temp;<span class=\"hljs-comment\">\/\/\u63d2\u5165\u6392\u5e8f\u4ea4\u6362\u503c\u7684\u6682\u5b58<\/span>\r\n        <span class=\"hljs-comment\">\/\/\u786e\u5b9a\u521d\u59cb\u6b65\u957f<\/span>\r\n        <span class=\"hljs-keyword\">while<\/span> (gap &lt; len \/ <span class=\"hljs-number\">3<\/span>){\r\n            gap = gap * <span class=\"hljs-number\">3<\/span> + <span class=\"hljs-number\">1<\/span>;\r\n        }\r\n        <span class=\"hljs-keyword\">for<\/span> (; gap &gt; <span class=\"hljs-number\">0<\/span>; gap \/= <span class=\"hljs-number\">3<\/span>){<span class=\"hljs-comment\">\/\/\u5faa\u73af\u904d\u5386\u6b65\u957f\uff0c\u6700\u540e\u5fc5\u4e3a1<\/span>\r\n            <span class=\"hljs-keyword\">for<\/span> (i = gap; i &lt; len; i++) {<span class=\"hljs-comment\">\/\/\u6bcf\u4e00\u5217\u4f9d\u6b21\u5411\u524d\u505a\u63d2\u5165\u6392\u5e8f<\/span>\r\n                temp = a[i];\r\n                <span class=\"hljs-comment\">\/\/\u6bcf\u4e00\u5217\u4e2d\u5728a[i]\u4e0a\u9762\u4e14\u6bd4a[i]\u5927\u7684\u5143\u7d20\u4f9d\u6b21\u5411\u4e0b\u79fb\u52a8<\/span>\r\n                <span class=\"hljs-keyword\">for<\/span> (j = i - gap; j &gt;= <span class=\"hljs-number\">0<\/span> &amp;&amp; a[j] &gt; temp; j -= gap){\r\n                    a[j + gap] = a[j];\r\n                }\r\n                <span class=\"hljs-comment\">\/\/a[i]\u586b\u8865\u7a7a\u767d\uff0c\u5b8c\u6210\u4e00\u5217\u4e2d\u7684\u4f9d\u6b21\u63d2\u5165\u6392\u5e8f<\/span>\r\n                a[j + gap] = temp;\r\n            }\r\n        }   \r\n    }<\/code><\/pre>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e94\u3001\u5f52\u5e76\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-3\"><\/h2>\n<h1 id=\"\uff11\u6982\u8ff0\">\uff11.\u6982\u8ff0<\/h1>\n<p>\u5f52\u5e76\u6392\u5e8f\uff0c\u662f\u521b\u5efa\u5728\u5f52\u5e76\u64cd\u4f5c\u4e0a\u7684\u4e00\u79cd\u6709\u6548\u7684\u6392\u5e8f\u7b97\u6cd5\u8be5\u7b97\u6cd5\u662f\u91c7\u7528\u5206\u6cbb\u6cd5\uff08Divide and Conquer\uff09\u7684\u4e00\u4e2a\u975e\u5e38\u5178\u578b\u7684\u5e94\u7528\uff0c\u4e14\u5404\u5c42\u5206\u6cbb\u9012\u5f52\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u3002<\/p>\n<p>\u5373\u5148\u4f7f\u6bcf\u4e2a\u5b50\u5e8f\u5217\u6709\u5e8f\uff0c\u518d\u5c06\u4e24\u4e2a\u5df2\u7ecf\u6392\u5e8f\u7684\u5e8f\u5217\u5408\u5e76\u6210\u4e00\u4e2a\u5e8f\u5217\u7684\u64cd\u4f5c\u3002\u82e5\u5c06\u4e24\u4e2a\u6709\u5e8f\u8868\u5408\u5e76\u6210\u4e00\u4e2a\u6709\u5e8f\u8868\uff0c\u79f0\u4e3a\u4e8c\u8def\u5f52\u5e76\u3002<\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<blockquote><p>\u8bbe\u6709\u6570\u5217{6\uff0c202\uff0c100\uff0c301\uff0c38\uff0c8\uff0c1}<br \/>\n\u521d\u59cb\u72b6\u6001\uff1a6,202,100,301,38,8\uff0c1<br \/>\n\u7b2c\u4e00\u6b21\u5f52\u5e76\u540e\uff1a{6,202},{100,301},{8,38},{1}\uff0c\u6bd4\u8f83\u6b21\u6570\uff1a3\uff1b<br \/>\n\u7b2c\u4e8c\u6b21\u5f52\u5e76\u540e\uff1a{6,100,202,301}\uff0c{1,8,38}\uff0c\u6bd4\u8f83\u6b21\u6570\uff1a4\uff1b<br \/>\n\u7b2c\u4e09\u6b21\u5f52\u5e76\u540e\uff1a{1,6,8,38,100,202,301},\u6bd4\u8f83\u6b21\u6570\uff1a4\uff1b<br \/>\n\u603b\u7684\u6bd4\u8f83\u6b21\u6570\u4e3a\uff1a3+4+4=11,\uff1b<br \/>\n<strong>\u9006\u5e8f\u6570<\/strong>\u4e3a14\uff1b<\/p><\/blockquote>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160517150920429\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5f52\u5e76\u6392\u5e8f\u793a\u610f\u56fe<\/p>\n<h1 id=\"\uff12\u6548\u7387\">\uff12.\u6548\u7387<\/h1>\n<p>\u5f52\u5e76\u6392\u5e8f\u901f\u5ea6\u4ec5\u6b21\u4e8e\u5feb\u901f\u6392\u5e8f\uff0c\u4e3a\u7a33\u5b9a\u6392\u5e8f\u7b97\u6cd5\uff08\u5373\u76f8\u7b49\u7684\u5143\u7d20\u7684\u987a\u5e8f\u4e0d\u4f1a\u6539\u53d8\uff09\uff0c\u4e00\u822c\u7528\u4e8e<strong>\u5bf9\u603b\u4f53\u65e0\u5e8f\uff0c\u4f46\u662f\u5404\u5b50\u9879\u76f8\u5bf9\u6709\u5e8f\u7684\u6570\u5217<\/strong>.<\/p>\n<p>\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a<strong>O(nlogn)<\/strong><\/p>\n<p>\u7a7a\u95f4\u590d\u6742\u5ea6\u4e3a <strong>O(n)<\/strong><\/p>\n<p>\u5f52\u5e76\u6392\u5e8f\u6bd4\u8f83\u5360\u7528\u5185\u5b58\uff0c\u4f46\u5374\u662f\u4e00\u79cd\u6548\u7387\u9ad8\u4e14\u7a33\u5b9a\u7684\u7b97\u6cd5\u3002<\/p>\n<h1 id=\"3\u8fed\u4ee3\u5b9e\u73b0\">3.\u8fed\u4ee3\u5b9e\u73b0<\/h1>\n<h2 id=\"3\uff11\u5b9e\u73b0\u539f\u7406\">3.\uff11\u5b9e\u73b0\u539f\u7406<\/h2>\n<p>\u2460\u7533\u8bf7\u7a7a\u95f4\uff0c\u4f7f\u5176\u5927\u5c0f\u4e3a\u4e24\u4e2a\u5df2\u7ecf\u6392\u5e8f\u5e8f\u5217\u4e4b\u548c\uff0c\u8be5\u7a7a\u95f4\u7528\u6765\u5b58\u653e\u5408\u5e76\u540e\u7684\u5e8f\u5217<\/p>\n<p>\u2461\u8bbe\u5b9a\u4e24\u4e2a\u6307\u9488\uff0c\u6700\u521d\u4f4d\u7f6e\u5206\u522b\u4e3a\u4e24\u4e2a\u5df2\u7ecf\u6392\u5e8f\u5e8f\u5217\u7684\u8d77\u59cb\u4f4d\u7f6e<\/p>\n<p>\u2462\u6bd4\u8f83\u4e24\u4e2a\u6307\u9488\u6240\u6307\u5411\u7684\u5143\u7d20\uff0c\u9009\u62e9\u76f8\u5bf9\u5c0f\u7684\u5143\u7d20\u653e\u5165\u5230\u5408\u5e76\u7a7a\u95f4\uff0c\u5e76\u79fb\u52a8\u6307\u9488\u5230\u4e0b\u4e00\u4f4d\u7f6e<\/p>\n<p>\u2463\u91cd\u590d\u6b65\u9aa4\u2462\u76f4\u5230\u67d0\u4e00\u6307\u9488\u5230\u8fbe\u5e8f\u5217\u5c3e<\/p>\n<p>\u2464\u5c06\u53e6\u4e00\u5e8f\u5217\u5269\u4e0b\u7684\u6240\u6709\u5143\u7d20\u76f4\u63a5\u590d\u5236\u5230\u5408\u5e76\u5e8f\u5217\u5c3e<\/p>\n<h2 id=\"3\uff12java\u4ee3\u7801\">3.\uff12Java\u4ee3\u7801<\/h2>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        <span class=\"hljs-keyword\">int<\/span> [] arr ={<span class=\"hljs-number\">6<\/span>,<span class=\"hljs-number\">5<\/span>,<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">7<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">4<\/span>};\r\n        merge_sort(arr);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i : arr){\r\n            System.<span class=\"hljs-keyword\">out<\/span>.println(i);\r\n        }\r\n    }\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">merge_sort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] arr) {\r\n        <span class=\"hljs-keyword\">int<\/span> len = arr.length;\r\n      <span class=\"hljs-comment\">\/\/\u7528\u4e8e\u5408\u5e76\u7684\u4e34\u65f6\u6570\u7ec4<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span>[] result = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-keyword\">int<\/span>[len];\r\n        <span class=\"hljs-keyword\">int<\/span> block, start;\r\n\r\n      <span class=\"hljs-comment\">\/\/\u4e24\u4e24\u5408\u5e76\u540e\u5757\u5927\u5c0f\u53d8\u5927\u4e24\u500d (\u6ce8\u610f\u6700\u540e\u4e00\u6b21block\u7b49\u4e8elen)<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span>(block = <span class=\"hljs-number\">1<\/span>; block &lt;=len ; block *= <span class=\"hljs-number\">2<\/span>) {\r\n            <span class=\"hljs-comment\">\/\/\u628a\u6574\u4e2a\u6570\u7ec4\u5206\u6210\u5f88\u591a\u4e2a\u5757\uff0c\u6bcf\u6b21\u5408\u5e76\u5904\u7406\u4e24\u4e2a\u5757<\/span>\r\n            <span class=\"hljs-keyword\">for<\/span>(start = <span class=\"hljs-number\">0<\/span>; start &lt;len; start += <span class=\"hljs-number\">2<\/span> * block) {\r\n                <span class=\"hljs-keyword\">int<\/span> low = start;\r\n                <span class=\"hljs-keyword\">int<\/span> mid = (start + block) &lt; len ? (start + block) : len;\r\n                <span class=\"hljs-keyword\">int<\/span> high = (start + <span class=\"hljs-number\">2<\/span> * block) &lt; len ? (start + <span class=\"hljs-number\">2<\/span> * block) : len;\r\n                <span class=\"hljs-comment\">\/\/\u4e24\u4e2a\u5757\u7684\u8d77\u59cb\u4e0b\u6807\u53ca\u7ed3\u675f\u4e0b\u6807<\/span>\r\n                <span class=\"hljs-keyword\">int<\/span> start1 = low, end1 = mid;\r\n                <span class=\"hljs-keyword\">int<\/span> start2 = mid, end2 = high;\r\n                <span class=\"hljs-comment\">\/\/\u5f00\u59cb\u5bf9\u4e24\u4e2ablock\u8fdb\u884c\u5f52\u5e76\u6392\u5e8f<\/span>\r\n                <span class=\"hljs-keyword\">while<\/span> (start1 &lt; end1 &amp;&amp; start2 &lt; end2) {\r\n                result[low++] = arr[start1] &lt; arr[start2] ? arr[start1++] : arr[start2++];\r\n                }\r\n                <span class=\"hljs-keyword\">while<\/span>(start1 &lt; end1) {\r\n                result[low++] = arr[start1++];\r\n                }\r\n                <span class=\"hljs-keyword\">while<\/span>(start2 &lt; end2) {\r\n                result[low++] = arr[start2++];\r\n                }\r\n            }\r\n         <span class=\"hljs-comment\">\/\/\u6bcf\u6b21\u5f52\u5e76\u540e\u628a\u7ed3\u679cresult\u5b58\u5165arr\u4e2d\uff0c\u4ee5\u4fbf\u8fdb\u884c\u4e0b\u6b21\u5f52\u5e76<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span>[] temp = arr;\r\n        arr = result;\r\n        result = temp;\r\n        }\r\n    }<\/code><\/pre>\n<h1 id=\"4\u9012\u5f52\u5b9e\u73b0\">4.\u9012\u5f52\u5b9e\u73b0<\/h1>\n<h2 id=\"4\uff11\u5b9e\u73b0\u539f\u7406\">4.\uff11\u5b9e\u73b0\u539f\u7406<\/h2>\n<p>\u5047\u8bbe\u5e8f\u5217\u5171\u6709n\u4e2a\u5143\u7d20<\/p>\n<p>\u2460\u5c06\u5e8f\u5217\u6bcf\u76f8\u90bb\u4e24\u4e2a\u6570\u5b57\u8fdb\u884c\u5f52\u5e76\u64cd\u4f5c\uff0c\u5f62\u6210floor(n\/2)\u4e2a\u5e8f\u5217\uff0c\u6392\u5e8f\u540e\u6bcf\u4e2a\u5e8f\u5217\u5305\u542b\u4e24\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u2461\u5c06\u4e0a\u8ff0\u5e8f\u5217\u518d\u6b21\u5f52\u5e76\uff0c\u5f62\u6210floor(n\/4)\u4e2a\u5e8f\u5217\uff0c\u6bcf\u4e2a\u5e8f\u5217\u5305\u542b\u56db\u4e2a\u5143\u7d20<\/p>\n<p>\u2462\u91cd\u590d\u6b65\u9aa4\u2461\uff0c\u76f4\u5230\u6240\u6709\u5143\u7d20\u6392\u5e8f\u5b8c\u6bd5<\/p>\n<h2 id=\"4\uff12java\u4ee3\u7801\">4.\uff12Java\u4ee3\u7801<\/h2>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        <span class=\"hljs-keyword\">int<\/span> [] arr ={<span class=\"hljs-number\">6<\/span>,<span class=\"hljs-number\">5<\/span>,<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">7<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">4<\/span>};\r\n        <span class=\"hljs-keyword\">int<\/span> len = arr.length;\r\n        <span class=\"hljs-keyword\">int<\/span>[] reg = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-keyword\">int<\/span>[len];\r\n        merge_sort_recursive(arr,reg,<span class=\"hljs-number\">0<\/span>,len-<span class=\"hljs-number\">1<\/span>);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i : arr){\r\n            System.<span class=\"hljs-keyword\">out<\/span>.println(i);\r\n        }\r\n    }\r\n<span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> merge_sort_recursive(<span class=\"hljs-keyword\">int<\/span>[] arr, <span class=\"hljs-keyword\">int<\/span>[] reg, <span class=\"hljs-keyword\">int<\/span> start, <span class=\"hljs-keyword\">int<\/span> end) {\r\n        <span class=\"hljs-keyword\">if<\/span> (start &gt;= end)\r\n            <span class=\"hljs-keyword\">return<\/span>;\r\n        <span class=\"hljs-keyword\">int<\/span> len = end - start, mid = (len &gt;&gt; <span class=\"hljs-number\">1<\/span>) + start;\r\n        <span class=\"hljs-keyword\">int<\/span> start1 = start, end1 = mid;\r\n        <span class=\"hljs-keyword\">int<\/span> start2 = mid + <span class=\"hljs-number\">1<\/span>, end2 = end;\r\n        <span class=\"hljs-comment\">\/\/\u9012\u5f52\u5230\u5b50\u5e8f\u5217\u53ea\u6709\u4e00\u4e2a\u6570\u7684\u65f6\u5019\uff0c\u5f00\u59cb\u9010\u4e2a\u8fd4\u56de<\/span>\r\n        merge_sort_recursive(arr, reg, start1, end1);\r\n        merge_sort_recursive(arr, reg, start2, end2);       \r\n        <span class=\"hljs-comment\">\/\/-------\u5408\u5e76\u64cd\u4f5c\uff0c\u5fc5\u987b\u5728\u9012\u5f52\u4e4b\u540e\uff08\u5b50\u5e8f\u5217\u6709\u5e8f\u7684\u57fa\u7840\u4e0a\uff09----<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> k = start;\r\n        <span class=\"hljs-keyword\">while<\/span> (start1 &lt;= end1 &amp;&amp; start2 &lt;= end2)\r\nreg[k++] = arr[start1] &lt; arr[start2] ? arr[start1++] : arr[start2++];\r\n        <span class=\"hljs-keyword\">while<\/span> (start1 &lt;= end1)\r\n            reg[k++] = arr[start1++];\r\n        <span class=\"hljs-keyword\">while<\/span> (start2 &lt;= end2)\r\n            reg[k++] = arr[start2++];\r\n        <span class=\"hljs-comment\">\/\/\u501f\u7528reg\u6570\u7ec4\u505a\u5408\u5e76\uff0c\u7136\u540e\u628a\u6570\u636e\u5b58\u56dearr\u4e2d<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (k = start; k &lt;= end; k++)\r\n            arr[k] = reg[k];\r\n    }<\/code><\/pre>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u516d\u3001\u5feb\u901f\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-4\"><\/h2>\n<h1 id=\"\u57fa\u672c\u601d\u60f3\">\u57fa\u672c\u601d\u60f3<\/h1>\n<p>\u5feb\u901f\u6392\u5e8f\uff08Quicksort\uff09\u662f\u5bf9\u5192\u6ce1\u6392\u5e8f\u7684\u4e00\u79cd\u6539\u8fdb\uff0c\u53c8\u79f0\u5212\u5206\u4ea4\u6362\u6392\u5e8f\uff08partition-exchange sort\u3002<\/p>\n<p>\u5feb\u901f\u6392\u5e8f\u4f7f\u7528\u5206\u6cbb\u6cd5\uff08Divide and conquer\uff09\u7b56\u7565\u6765\u628a\u4e00\u4e2a\u5e8f\u5217\uff08list\uff09\u5206\u4e3a\u4e24\u4e2a\u5b50\u5e8f\u5217\uff08sub-lists\uff09\u3002<\/p>\n<p>\u6b65\u9aa4\u4e3a\uff1a<\/p>\n<p>\u2460\uff0e\u4ece\u6570\u5217\u4e2d\u6311\u51fa\u4e00\u4e2a\u5143\u7d20\uff0c\u79f0\u4e3a\u201d\u57fa\u51c6\u201d\uff08pivot\uff09<\/p>\n<p>\u2461\uff0e\u91cd\u65b0\u6392\u5e8f\u6570\u5217\uff0c\u6240\u6709\u5143\u7d20\u6bd4\u57fa\u51c6\u503c\u5c0f\u7684\u6446\u653e\u5728\u57fa\u51c6\u524d\u9762\uff0c\u6240\u6709\u5143\u7d20\u6bd4\u57fa\u51c6\u503c\u5927\u7684\u6446\u5728\u57fa\u51c6\u7684\u540e\u9762\uff08\u76f8\u540c\u7684\u6570\u53ef\u4ee5\u5230\u4efb\u4e00\u8fb9\uff09\u3002\u5728\u8fd9\u4e2a\u5206\u533a\u7ed3\u675f\u4e4b\u540e\uff0c\u8be5\u57fa\u51c6\u5c31\u5904\u4e8e\u6570\u5217\u7684\u4e2d\u95f4\u4f4d\u7f6e\u3002\u8fd9\u4e2a\u79f0\u4e3a\u5206\u533a\uff08partition\uff09\u64cd\u4f5c\u3002<\/p>\n<p>\u2462\uff0e\u9012\u5f52\u5730\uff08recursive\uff09\u628a\u5c0f\u4e8e\u57fa\u51c6\u503c\u5143\u7d20\u7684\u5b50\u6570\u5217\u548c\u5927\u4e8e\u57fa\u51c6\u503c\u5143\u7d20\u7684\u5b50\u6570\u5217\u6392\u5e8f<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160519164311224\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4f7f\u7528\u5feb\u901f\u6392\u5e8f\u6cd5\u5bf9\u4e00\u5217\u6570\u5b57\u8fdb\u884c\u6392\u5e8f\u7684\u8fc7\u7a0b<\/p>\n<h1 id=\"\u6392\u5e8f\u6548\u7387\">\u6392\u5e8f\u6548\u7387<\/h1>\n<p>\u5728\u5e73\u5747\u72b6\u51b5\u4e0b\uff0c\u6392\u5e8fn\u4e2a\u9879\u76ee\u8981\u039f(n log n)\u6b21\u6bd4\u8f83\u3002\u5728\u6700\u574f\u72b6\u51b5\u4e0b\u5219\u9700\u8981\u039f(n2)\u6b21\u6bd4\u8f83\uff0c\u4f46\u8fd9\u79cd\u72b6\u51b5\u5e76\u4e0d\u5e38\u89c1\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5feb\u901f\u6392\u5e8f\u901a\u5e38\u660e\u663e\u6bd4\u5176\u4ed6\u039f(n log n)\u7b97\u6cd5\u66f4\u5feb\uff0c\u56e0\u4e3a\u5b83\u7684\u5185\u90e8\u5faa\u73af\uff08inner loop\uff09\u53ef\u4ee5\u5728\u5927\u90e8\u5206\u7684\u67b6\u6784\u4e0a\u5f88\u6709\u6548\u7387\u5730\u88ab\u5b9e\u73b0\u51fa\u6765\u3002<\/p>\n<p>\u6700\u5dee\u65f6\u95f4\u590d\u6742\u5ea6 \u039f(n^2)<\/p>\n<p>\u6700\u4f18\u65f6\u95f4\u590d\u6742\u5ea6 \u039f(n log n)<\/p>\n<p><strong>\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\u039f(n log n)<\/strong><\/p>\n<p>\u6700\u5dee\u7a7a\u95f4\u590d\u6742\u5ea6 \u6839\u636e\u5b9e\u73b0\u7684\u65b9\u5f0f\u4e0d\u540c\u800c\u4e0d\u540c<\/p>\n<h1 id=\"java\u5b9e\u73b0-2\">Java\u5b9e\u73b0<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs cpp has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> main(String[] args) {\r\n        <span class=\"hljs-keyword\">int<\/span> [] arr = {<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">4<\/span>,<span class=\"hljs-number\">6<\/span>,<span class=\"hljs-number\">2<\/span>,<span class=\"hljs-number\">7<\/span>,<span class=\"hljs-number\">9<\/span>,<span class=\"hljs-number\">5<\/span>,<span class=\"hljs-number\">3<\/span>};\r\n        quickSort(arr,<span class=\"hljs-number\">0<\/span>,arr.length-<span class=\"hljs-number\">1<\/span>);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i :arr){\r\n            System.out.println(i);\r\n        }\r\n    }\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> quickSort(<span class=\"hljs-keyword\">int<\/span>[]arr,<span class=\"hljs-keyword\">int<\/span> low,<span class=\"hljs-keyword\">int<\/span> high){\r\n         <span class=\"hljs-keyword\">if<\/span> (low &lt; high) {     \r\n             <span class=\"hljs-keyword\">int<\/span> middle = getMiddle(arr, low, high);     \r\n              quickSort(arr, low, middle - <span class=\"hljs-number\">1<\/span>);            \r\n             quickSort(arr, middle + <span class=\"hljs-number\">1<\/span>, high);            \r\n          }  \r\n    }\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span> getMiddle(<span class=\"hljs-keyword\">int<\/span>[] <span class=\"hljs-built_in\">list<\/span>, <span class=\"hljs-keyword\">int<\/span> low, <span class=\"hljs-keyword\">int<\/span> high) {     \r\n        <span class=\"hljs-keyword\">int<\/span> tmp = <span class=\"hljs-built_in\">list<\/span>[low];    \r\n        <span class=\"hljs-keyword\">while<\/span> (low &lt; high) {     \r\n            <span class=\"hljs-keyword\">while<\/span> (low &lt; high &amp;&amp; <span class=\"hljs-built_in\">list<\/span>[high] &gt;= tmp) {     \r\n                high--;     \r\n            }     \r\n            <span class=\"hljs-built_in\">list<\/span>[low] = <span class=\"hljs-built_in\">list<\/span>[high];   \r\n            <span class=\"hljs-keyword\">while<\/span> (low &lt; high &amp;&amp; <span class=\"hljs-built_in\">list<\/span>[low] &lt;= tmp) {     \r\n                low++;     \r\n            }     \r\n            <span class=\"hljs-built_in\">list<\/span>[high] = <span class=\"hljs-built_in\">list<\/span>[low];   \r\n        }     \r\n       <span class=\"hljs-built_in\">list<\/span>[low] = tmp;           \r\n       <span class=\"hljs-keyword\">return<\/span> low;                   \r\n    } <\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160519181157295\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5206\u6790\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160519180035248\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<blockquote><p>\u53d6\uff18\u4e3a\u4e2d\u503c\uff0c\u7ea2\u8272\u7bad\u5934\u8868\u793alow\uff0c\u7eff\u8272\u7bad\u5934\u8868\u793ahigh<\/p><\/blockquote>\n<p>\u2460\u4ecehigh\u5f00\u59cb\u5411\u524d\u626b\u63cf\u5230\u7b2c\u4e00\u4e2a\u6bd4\uff18\u5c0f\u7684\u503c\u4e0e\uff18\u4ea4\u6362\u3002<\/p>\n<p>\u2461\u4ecelow\u5411\u540e\u626b\u63cf\u7b2c\u4e00\u6bd48\u5927\u7684\u503c\u4e0e8\u4ea4\u6362\u3002<\/p>\n<p>\u2462\u91cd\u590d\u2460\u2461\u8fc7\u7a0b\u53ea\u5230\uff0chigh=low\u5b8c\u6210\u4e00\u6b21\u5feb\u901f\u6392\u5e8f\uff0c\u7136\u540e\u9012\u5f52\u5b50\u5e8f\u5217\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e03\u3001\u5806\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-5\"><\/h2>\n<h1 id=\"\u6d45\u6790\u5806\">\u6d45\u6790\u5806<\/h1>\n<p>\u5806\u6392\u5e8f(Heapsort)\u662f\u6307\u5229\u7528\u5806\u8fd9\u79cd\u6570\u636e\u7ed3\u6784\u6240\u8bbe\u8ba1\u7684\u4e00\u79cd\u6392\u5e8f\u7b97\u6cd5\uff0c\u5b83\u662f\u9009\u62e9\u6392\u5e8f\u7684\u4e00\u79cd\u3002\u53ef\u4ee5\u5229\u7528<strong>\u6570\u7ec4<\/strong>\u7684\u7279\u70b9\u5feb\u901f\u5b9a\u4f4d\u6307\u5b9a\u7d22\u5f15\u7684\u5143\u7d20\u3002\u5806\u5206\u4e3a\u5927\u6839\u5806\u548c\u5c0f\u6839\u5806\uff0c\u662f\u5b8c\u5168\u4e8c\u53c9\u6811\u3002\u5927\u6839\u5806\u7684\u8981\u6c42\u662f\u6bcf\u4e2a\u8282\u70b9\u7684\u503c\u90fd\u4e0d\u5927\u4e8e\u5176\u7236\u8282\u70b9\u7684\u503c\u3002<\/p>\n<p>\u7531\u4e8e\u5806\u4e2d\u6bcf\u6b21\u90fd\u53ea\u80fd\u5220\u9664\u7b2c0\u4e2a\u6570\u636e\uff0c\u901a\u8fc7\u3000\u53d6\u51fa\u7b2c\uff10\u4e2a\u6570\u636e\u518d\u6267\u884c\u5806\u7684\u5220\u9664\u64cd\u4f5c\u3001\u91cd\u5efa\u5806\uff08\u5b9e\u9645\u7684\u64cd\u4f5c\u662f\u5c06\u6700\u540e\u4e00\u4e2a\u6570\u636e\u7684\u503c\u8d4b\u7ed9\u6839\u7ed3\u70b9\uff0c\u7136\u540e\u518d\u4ece\u6839\u7ed3\u70b9\u5f00\u59cb\u8fdb\u884c\u4e00\u6b21\u4ece\u4e0a\u5411\u4e0b\u7684\u8c03\u6574\u3002\uff09\uff0c\u7136\u540e\u518d\u53d6\uff0c\u5982\u6b64\u91cd\u590d\u5b9e\u73b0\u6392\u5e8f\u3002<\/p>\n<p><strong>\u5806\u7684\u64cd\u4f5c\uff1a<\/strong><\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160523164108748\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5728\u5806\u7684\u6570\u636e\u7ed3\u6784\u4e2d\uff0c\u5806\u4e2d\u7684\u6700\u5927\u503c\u603b\u662f\u4f4d\u4e8e\u6839\u8282\u70b9\u3002\u5806\u4e2d\u5b9a\u4e49\u4ee5\u4e0b\u51e0\u79cd\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li>\u6700\u5927\u5806\u8c03\u6574\uff08Max_Heapify\uff09\uff1a\u5c06\u5806\u7684\u672b\u7aef\u5b50\u8282\u70b9\u4f5c\u8c03\u6574\uff0c\u4f7f\u5f97\u5b50\u8282\u70b9\u6c38\u8fdc\u5c0f\u4e8e\u7236\u8282\u70b9<\/li>\n<li>\u521b\u5efa\u6700\u5927\u5806\uff08Build_Max_Heap\uff09\uff1a\u5c06\u5806\u6240\u6709\u6570\u636e\u91cd\u65b0\u6392\u5e8f<\/li>\n<li>\u5806\u6392\u5e8f\uff08HeapSort\uff09\uff1a\u79fb\u9664\u4f4d\u5728\u7b2c\u4e00\u4e2a\u6570\u636e\u7684\u6839\u8282\u70b9\uff0c\u5e76\u505a\u6700\u5927\u5806\u8c03\u6574\u7684\u9012\u5f52\u8fd0\u7b97<\/li>\n<\/ul>\n<p><strong>\u5806\u7684\u5b58\u50a8\uff1a<\/strong><\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/hi.csdn.net\/attachment\/201108\/22\/0_1314014706gZqn.gif\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u901a\u5e38\u5806\u662f\u901a\u8fc7\u4e00\u7ef4\u6570\u7ec4\u6765\u5b9e\u73b0\u7684\u3002\u5728\u6570\u7ec4\u8d77\u59cb\u4f4d\u7f6e\u4e3a0\u7684\u60c5\u5f62\u4e2d\uff1a<\/p>\n<ul>\n<li>\u7236\u8282\u70b9i\u7684\u5de6\u5b50\u8282\u70b9\u5728\u4f4d\u7f6e(2*i+1);<\/li>\n<li>\u7236\u8282\u70b9i\u7684\u53f3\u5b50\u8282\u70b9\u5728\u4f4d\u7f6e(2*i+2);<\/li>\n<li>\u5b50\u8282\u70b9i\u7684\u7236\u8282\u70b9\u5728\u4f4d\u7f6efloor((i-1)\/2);<\/li>\n<\/ul>\n<h1 id=\"java\u4ee3\u7801\u5b9e\u73b0\">Java\u4ee3\u7801\u5b9e\u73b0<\/h1>\n<pre class=\"prettyprint\"><code class=\"hljs java has-numbering\">\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">HeapSort<\/span> {<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span>[] sort = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-keyword\">int<\/span>[]{<span class=\"hljs-number\">1<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">10<\/span>,<span class=\"hljs-number\">20<\/span>,<span class=\"hljs-number\">3<\/span>,<span class=\"hljs-number\">5<\/span>,<span class=\"hljs-number\">6<\/span>,<span class=\"hljs-number\">4<\/span>,<span class=\"hljs-number\">9<\/span>,<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">12<\/span>,<span class=\"hljs-number\">17<\/span>,<span class=\"hljs-number\">34<\/span>,<span class=\"hljs-number\">11<\/span>};\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        buildMaxHeapify(sort);\r\n        heapSort(sort);\r\n        print(sort);\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">buildMaxHeapify<\/span>(<span class=\"hljs-keyword\">int<\/span>[] data){\r\n        <span class=\"hljs-comment\">\/\/\u6ca1\u6709\u5b50\u8282\u70b9\u7684\u624d\u9700\u8981\u521b\u5efa\u6700\u5927\u5806\uff0c\u4ece\u6700\u540e\u4e00\u4e2a\u7684\u7236\u8282\u70b9\u5f00\u59cb<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> startIndex = getParentIndex(data.length - <span class=\"hljs-number\">1<\/span>);\r\n        <span class=\"hljs-comment\">\/\/\u4ece\u5c3e\u7aef\u5f00\u59cb\u521b\u5efa\u6700\u5927\u5806\uff0c\u6bcf\u6b21\u90fd\u662f\u6b63\u786e\u7684\u5806<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">int<\/span> i = startIndex; i &gt;= <span class=\"hljs-number\">0<\/span>; i--) {\r\n            maxHeapify(data, data.length, i);\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-javadoc\">\/**\r\n     * \u521b\u5efa\u6700\u5927\u5806\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> data\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> heapSize\u9700\u8981\u521b\u5efa\u6700\u5927\u5806\u7684\u5927\u5c0f\uff0c\u4e00\u822c\u5728sort\u7684\u65f6\u5019\u7528\u5230\uff0c\u56e0\u4e3a\u6700\u591a\u503c\u653e\u5728\u672b\u5c3e\uff0c\u672b\u5c3e\u5c31\u4e0d\u518d\u5f52\u5165\u6700\u5927\u5806\u4e86\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> index\u5f53\u524d\u9700\u8981\u521b\u5efa\u6700\u5927\u5806\u7684\u4f4d\u7f6e\r\n     *\/<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">maxHeapify<\/span>(<span class=\"hljs-keyword\">int<\/span>[] data, <span class=\"hljs-keyword\">int<\/span> heapSize, <span class=\"hljs-keyword\">int<\/span> index){\r\n        <span class=\"hljs-comment\">\/\/ \u5f53\u524d\u70b9\u4e0e\u5de6\u53f3\u5b50\u8282\u70b9\u6bd4\u8f83<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> left = getChildLeftIndex(index);\r\n        <span class=\"hljs-keyword\">int<\/span> right = getChildRightIndex(index);\r\n\r\n        <span class=\"hljs-keyword\">int<\/span> largest = index;\r\n        <span class=\"hljs-keyword\">if<\/span> (left &lt; heapSize &amp;&amp; data[index] &lt; data[left]) {\r\n            largest = left;\r\n        }\r\n        <span class=\"hljs-keyword\">if<\/span> (right &lt; heapSize &amp;&amp; data[largest] &lt; data[right]) {\r\n            largest = right;\r\n        }\r\n        <span class=\"hljs-comment\">\/\/\u5f97\u5230\u6700\u5927\u503c\u540e\u53ef\u80fd\u9700\u8981\u4ea4\u6362\uff0c\u5982\u679c\u4ea4\u6362\u4e86\uff0c\u5176\u5b50\u8282\u70b9\u53ef\u80fd\u5c31\u4e0d\u662f\u6700\u5927\u5806\u4e86\uff0c\u9700\u8981\u91cd\u65b0\u8c03\u6574<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (largest != index) {\r\n            <span class=\"hljs-keyword\">int<\/span> temp = data[index];\r\n            data[index] = data[largest];\r\n            data[largest] = temp;\r\n            maxHeapify(data, heapSize, largest);\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-javadoc\">\/**\r\n     * \u6392\u5e8f\uff0c\u6700\u5927\u503c\u653e\u5728\u672b\u5c3e\uff0cdata\u867d\u7136\u662f\u6700\u5927\u5806\uff0c\u5728\u6392\u5e8f\u540e\u5c31\u6210\u4e86\u9012\u589e\u7684\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> data\r\n     *\/<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">heapSort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] data) {\r\n        <span class=\"hljs-comment\">\/\/\u672b\u5c3e\u4e0e\u5934\u4ea4\u6362\uff0c\u4ea4\u6362\u540e\u8c03\u6574\u6700\u5927\u5806<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">int<\/span> i = data.length - <span class=\"hljs-number\">1<\/span>; i &gt; <span class=\"hljs-number\">0<\/span>; i--) {\r\n            <span class=\"hljs-keyword\">int<\/span> temp = data[<span class=\"hljs-number\">0<\/span>];\r\n            data[<span class=\"hljs-number\">0<\/span>] = data[i];\r\n            data[i] = temp;\r\n            maxHeapify(data, i, <span class=\"hljs-number\">0<\/span>);\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-javadoc\">\/**\r\n     * \u7236\u8282\u70b9\u4f4d\u7f6e\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> current\r\n     *<span class=\"hljs-javadoctag\"> @return<\/span>\r\n     *\/<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span> <span class=\"hljs-title\">getParentIndex<\/span>(<span class=\"hljs-keyword\">int<\/span> current){\r\n        <span class=\"hljs-keyword\">return<\/span> (current - <span class=\"hljs-number\">1<\/span>) &gt;&gt; <span class=\"hljs-number\">1<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-javadoc\">\/**\r\n     * \u5de6\u5b50\u8282\u70b9position\u6ce8\u610f\u62ec\u53f7\uff0c\u52a0\u6cd5\u4f18\u5148\u7ea7\u66f4\u9ad8\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> current\r\n     *<span class=\"hljs-javadoctag\"> @return<\/span>\r\n     *\/<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span> <span class=\"hljs-title\">getChildLeftIndex<\/span>(<span class=\"hljs-keyword\">int<\/span> current){\r\n        <span class=\"hljs-keyword\">return<\/span> (current &lt;&lt; <span class=\"hljs-number\">1<\/span>) + <span class=\"hljs-number\">1<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-javadoc\">\/**\r\n     * \u53f3\u5b50\u8282\u70b9position\r\n     *<span class=\"hljs-javadoctag\"> @param<\/span> current\r\n     *<span class=\"hljs-javadoctag\"> @return<\/span>\r\n     *\/<\/span>\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span> <span class=\"hljs-title\">getChildRightIndex<\/span>(<span class=\"hljs-keyword\">int<\/span> current){\r\n        <span class=\"hljs-keyword\">return<\/span> (current &lt;&lt; <span class=\"hljs-number\">1<\/span>) + <span class=\"hljs-number\">2<\/span>;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">print<\/span>(<span class=\"hljs-keyword\">int<\/span>[] data){\r\n        <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; data.length; i++) {\r\n            System.out.print(data[i] + <span class=\"hljs-string\">\" |\"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u516b\u3001\u6876\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-6\"><\/h2>\n<h1 id=\"1\u6982\u5ff5\">1.\u6982\u5ff5<\/h1>\n<p>\u6876\u6392\u5e8f\uff08Bucket sort\uff09\u6216\u6240\u8c13\u7684\u7bb1\u6392\u5e8f\uff0c\u662f\u4e00\u4e2a\u6392\u5e8f\u7b97\u6cd5\u3002<\/p>\n<p>\u5047\u8bbe\u6709\u4e00\u7ec4\u957f\u5ea6\u4e3aN\u7684\u5f85\u6392\u5173\u952e\u5b57\u5e8f\u5217K[1\u2026.n]\u3002\u9996\u5148\u5c06\u8fd9\u4e2a\u5e8f\u5217\u5212\u5206\u6210M\u4e2a\u7684\u5b50\u533a\u95f4(\u6876) \u3002\u7136\u540e\u57fa\u4e8e\u67d0\u79cd\u6620\u5c04\u51fd\u6570 \uff0c\u5c06\u5f85\u6392\u5e8f\u5217\u7684\u5173\u952e\u5b57k\u6620\u5c04\u5230\u7b2ci\u4e2a\u6876\u4e2d(\u5373\u6876\u6570\u7ec4B\u7684\u4e0b\u6807 i) \uff0c\u90a3\u4e48\u8be5\u5173\u952e\u5b57k\u5c31\u4f5c\u4e3aB[i]\u4e2d\u7684\u5143\u7d20\u3002\u63a5\u7740\u5bf9\u6bcf\u4e2a\u6876B[i]\u4e2d\u7684\u6240\u6709\u5143\u7d20\u8fdb\u884c\u6bd4\u8f83\u6392\u5e8f(\u53ef\u4ee5\u4f7f\u7528\u5feb\u6392)\u3002\u7136\u540e\u4f9d\u6b21\u679a\u4e3e\u8f93\u51faB[0]\u2026.B[M]\u4e2d\u7684\u5168\u90e8\u5185\u5bb9\u5373\u662f\u4e00\u4e2a\u6709\u5e8f\u5e8f\u5217\u3002<\/p>\n<p>\u6876\u6392\u5e8f\u7684\u6b65\u9aa4\uff1a<\/p>\n<p>\u2460\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u91cf\u7684\u6570\u7ec4\u5f53\u4f5c\u7a7a\u6876\u5b50\u3002<\/p>\n<p>\u2461\u5bfb\u8bbf\u5e8f\u5217\uff0c\u5e76\u4e14\u628a\u9879\u76ee\u4e00\u4e2a\u4e00\u4e2a\u653e\u5230\u5bf9\u5e94\u7684\u6876\u5b50\u53bb\u3002<\/p>\n<p>\u2462\u5bf9\u6bcf\u4e2a\u4e0d\u662f\u7a7a\u7684\u6876\u5b50\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<p>\u2463\u4ece\u4e0d\u662f\u7a7a\u7684\u6876\u5b50\u91cc\u628a\u9879\u76ee\u518d\u653e\u56de\u539f\u6765\u7684\u5e8f\u5217\u4e2d\u3002<\/p>\n<h1 id=\"\uff12\u6027\u80fd\">\uff12.\u6027\u80fd<\/h1>\n<p>\u6570\u636e\u7ed3\u6784 <strong>\u6570\u7ec4<\/strong><br \/>\n\u6700\u5dee\u65f6\u95f4\u590d\u6742\u5ea6 \u3000 O(n^2)<br \/>\n\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6 \u3000O(n+k)<br \/>\n\u6700\u5dee\u7a7a\u95f4\u590d\u6742\u5ea6\u3000O(n*k)<\/p>\n<p>\u5e73\u5747\u60c5\u51b5\u4e0b\u6876\u6392\u5e8f\u4ee5\u7ebf\u6027\u65f6\u95f4\u8fd0\u884c\uff0c\u6876\u6392\u5e8f\u662f<strong>\u7a33\u5b9a<\/strong>\u7684\uff0c\u6392\u5e8f\u975e\u5e38\u5feb,\u4f46\u662f\u540c\u65f6\u4e5f\u975e\u5e38\u8017\u7a7a\u95f4,\u57fa\u672c\u4e0a\u662f\u6700<strong>\u8017\u7a7a\u95f4<\/strong>\u7684\u4e00\u79cd\u6392\u5e8f\u7b97\u6cd5\u3002<\/p>\n<p>\u5bf9N\u4e2a\u5173\u952e\u5b57\u8fdb\u884c\u6876\u6392\u5e8f\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206\uff1a<\/p>\n<p>\u2460\u5faa\u73af\u8ba1\u7b97\u6bcf\u4e2a\u5173\u952e\u5b57\u7684\u6876\u6620\u5c04\u51fd\u6570\uff0c\u8fd9\u4e2a\u65f6\u95f4\u590d\u6742\u5ea6\u662fO(N)\u3002<\/p>\n<p>\u2461\u5229\u7528\u5148\u8fdb\u7684\u6bd4\u8f83\u6392\u5e8f\u7b97\u6cd5\u5bf9\u6bcf\u4e2a\u6876\u5185\u7684\u6240\u6709\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a \u2211 O(Ni*logNi) \u3002\u5176\u4e2dNi \u4e3a\u7b2ci\u4e2a\u6876\u7684\u6570\u636e\u91cf\u3002<\/p>\n<p>\u5f88\u663e\u7136\uff0c\u7b2c\u2461\u90e8\u5206\u662f\u6876\u6392\u5e8f\u6027\u80fd\u597d\u574f\u7684\u51b3\u5b9a\u56e0\u7d20\u3002\u5c3d\u91cf\u51cf\u5c11\u6876\u5185\u6570\u636e\u7684\u6570\u91cf\u662f\u63d0\u9ad8\u6548\u7387\u7684\u552f\u4e00\u529e\u6cd5(\u56e0\u4e3a\u57fa\u4e8e\u6bd4\u8f83\u6392\u5e8f\u7684\u6700\u597d\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6\u53ea\u80fd\u8fbe\u5230O(N*logN)\u4e86)\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5c3d\u91cf\u505a\u5230\u4e0b\u9762\u4e24\u70b9\uff1a<\/p>\n<blockquote><p>\u2460 \u6620\u5c04\u51fd\u6570f(k)\u80fd\u591f\u5c06N\u4e2a\u6570\u636e\u5e73\u5747\u7684\u5206\u914d\u5230M\u4e2a\u6876\u4e2d\uff0c\u8fd9\u6837\u6bcf\u4e2a\u6876\u5c31\u6709[N\/M]\u4e2a\u6570\u636e\u91cf\u3002<\/p>\n<p>\u2461\u5c3d\u91cf\u7684\u589e\u5927\u6876\u7684\u6570\u91cf\u3002\u6781\u9650\u60c5\u51b5\u4e0b\u6bcf\u4e2a\u6876\u53ea\u80fd\u5f97\u5230\u4e00\u4e2a\u6570\u636e\uff0c\u8fd9\u6837\u5c31\u5b8c\u5168\u907f\u5f00\u4e86\u6876\u5185\u6570\u636e\u7684\u201c\u6bd4\u8f83\u201d\u6392\u5e8f\u64cd\u4f5c\u3002 \u5f53\u7136\uff0c\u505a\u5230\u8fd9\u4e00\u70b9\u5f88\u4e0d\u5bb9\u6613\uff0c\u6570\u636e\u91cf\u5de8\u5927\u7684\u60c5\u51b5\u4e0b\uff0cf(k)\u51fd\u6570\u4f1a\u4f7f\u5f97\u6876\u96c6\u5408\u7684\u6570\u91cf\u5de8\u5927\uff0c\u7a7a\u95f4\u6d6a\u8d39\u4e25\u91cd\u3002\u8fd9\u5c31\u662f\u4e00\u4e2a\u65f6\u95f4\u4ee3\u4ef7\u548c\u7a7a\u95f4\u4ee3\u4ef7\u7684\u6743\u8861\u95ee\u9898\u4e86\u3002<\/p><\/blockquote>\n<h1 id=\"3java\u5b9e\u73b0\">3.java\u5b9e\u73b0<\/h1>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160607102041634\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5bf9\uff10\uff5e\uff11\u4e4b\u95f4\u7684\u4e00\u7ec4\u6d6e\u70b9\u6570\u8fdb\u884c\u5347\u5e8f\u6392\u5e8f\uff1a<\/p>\n<p>BucketSort.java<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs java has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">BucketSort<\/span>  {<\/span>\r\n    <span class=\"hljs-javadoc\">\/** \r\n     * \u5bf9arr\u8fdb\u884c\u6876\u6392\u5e8f\uff0c\u6392\u5e8f\u7ed3\u679c\u4ecd\u653e\u5728arr\u4e2d \r\n     *\/<\/span>  \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">bucketSort<\/span>(<span class=\"hljs-keyword\">double<\/span> arr[]){  \r\n  <span class=\"hljs-comment\">\/\/-------------------------------------------------\u5206\u6876-----------------------------------------------      <\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> n = arr.length;  \r\n        <span class=\"hljs-comment\">\/\/\u5b58\u653e\u6876\u7684\u94fe\u8868<\/span>\r\n        ArrayList bucketList[] = <span class=\"hljs-keyword\">new<\/span> ArrayList [n];  \r\n        <span class=\"hljs-comment\">\/\/\u6bcf\u4e2a\u6876\u662f\u4e00\u4e2alist\uff0c\u5b58\u653e\u6b64\u6876\u7684\u5143\u7d20   <\/span>\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i =<span class=\"hljs-number\">0<\/span>;i&lt;n;i++){  \r\n            <span class=\"hljs-comment\">\/\/\u4e0b\u53d6\u7b49<\/span>\r\n            <span class=\"hljs-keyword\">int<\/span> temp = (<span class=\"hljs-keyword\">int<\/span>) Math.floor(n*arr[i]);  \r\n            <span class=\"hljs-comment\">\/\/\u82e5\u4e0d\u5b58\u5728\u8be5\u6876\uff0c\u5c31\u65b0\u5efa\u4e00\u4e2a\u6876\u5e76\u52a0\u5165\u5230\u6876\u94fe\u8868\u4e2d<\/span>\r\n            <span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-keyword\">null<\/span>==bucketList[temp])  \r\n                bucketList[temp] = <span class=\"hljs-keyword\">new<\/span> ArrayList();  \r\n            <span class=\"hljs-comment\">\/\/\u628a\u5f53\u524d\u5143\u7d20\u52a0\u5165\u5230\u5bf9\u5e94\u6876\u4e2d<\/span>\r\n            bucketList[temp].add(arr[i]);            \r\n        }  \r\n<span class=\"hljs-comment\">\/\/-------------------------------------------------\u6876\u5185\u6392\u5e8f-----------------------------------------------    <\/span>\r\n        <span class=\"hljs-comment\">\/\/\u5bf9\u6bcf\u4e2a\u6876\u4e2d\u7684\u6570\u8fdb\u884c\u63d2\u5165\u6392\u5e8f   <\/span>\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>;i&lt;n;i++){  \r\n            <span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-keyword\">null<\/span>!=bucketList[i])  \r\n                insert(bucketList[i]);  \r\n        }  \r\n<span class=\"hljs-comment\">\/\/-------------------------------------------------\u5408\u5e76\u6876\u5185\u6570\u636e-----------------------------------------------    <\/span>\r\n        <span class=\"hljs-comment\">\/\/\u628a\u5404\u4e2a\u6876\u7684\u6392\u5e8f\u7ed3\u679c\u5408\u5e76   <\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> count = <span class=\"hljs-number\">0<\/span>; \r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i = <span class=\"hljs-number\">0<\/span>;i&lt;n;i++){  \r\n            <span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-keyword\">null<\/span>!=bucketList[i]){  \r\n                Iterator iter = bucketList[i].iterator();  \r\n                <span class=\"hljs-keyword\">while<\/span>(iter.hasNext()){  \r\n                    Double d = (Double)iter.next();  \r\n                    arr[count] = d;  \r\n                    count++;  \r\n                }  \r\n            }  \r\n        }  \r\n    }  \r\n\r\n    <span class=\"hljs-javadoc\">\/** \r\n     * \u7528\u63d2\u5165\u6392\u5e8f\u5bf9\u6bcf\u4e2a\u6876\u8fdb\u884c\u6392\u5e8f \r\n     * \u4ece\u5c0f\u5230\u5927\u6392\u5e8f\r\n     *\/<\/span>  \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">insert<\/span>(ArrayList list){  \r\n\r\n        <span class=\"hljs-keyword\">if<\/span>(list.size()&gt;<span class=\"hljs-number\">1<\/span>){  \r\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i =<span class=\"hljs-number\">1<\/span>;i&lt;list.size();i++){  \r\n                <span class=\"hljs-keyword\">if<\/span>((Double)list.get(i)&lt;(Double)list.get(i-<span class=\"hljs-number\">1<\/span>)){  \r\n                    <span class=\"hljs-keyword\">double<\/span> temp = (Double) list.get(i);  \r\n                    <span class=\"hljs-keyword\">int<\/span> j = i-<span class=\"hljs-number\">1<\/span>;  \r\n                    <span class=\"hljs-keyword\">for<\/span>(;j&gt;=<span class=\"hljs-number\">0<\/span>&amp;&amp;((Double)list.get(j)&gt;(Double)list.get(j+<span class=\"hljs-number\">1<\/span>));j--)  \r\n                        list.set(j+<span class=\"hljs-number\">1<\/span>, list.get(j));  <span class=\"hljs-comment\">\/\/\u540e\u79fb<\/span>\r\n                    list.set(j+<span class=\"hljs-number\">1<\/span>, temp);  \r\n                }  \r\n            }  \r\n        } \r\n    }\r\n}<\/code><\/pre>\n<p>\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">main<\/span>(String[] args) {\r\n        <span class=\"hljs-keyword\">double<\/span> arr [] ={<span class=\"hljs-number\">0.21<\/span>,<span class=\"hljs-number\">0.23<\/span>,<span class=\"hljs-number\">0.76<\/span>,<span class=\"hljs-number\">0.12<\/span>,<span class=\"hljs-number\">0.89<\/span>};\r\n        BucketSort.bucketSort(arr);\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">double<\/span> a:arr){\r\n            System.<span class=\"hljs-keyword\">out<\/span>.println(a);\r\n        }\r\n    }<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160607105154789\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n<!--nextpage--><\/p>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u4e5d\u3001\u57fa\u6570\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-7\"><\/h2>\n<h1 id=\"\u539f\u7406\">\u539f\u7406<\/h1>\n<p>\u57fa\u6570\u6392\u5e8f\uff08Radix sort\uff09\u662f\u4e00\u79cd\u975e\u6bd4\u8f83\u578b\u6574\u6570\u6392\u5e8f\u7b97\u6cd5\uff0c\u5176\u539f\u7406\u662f\u5c06<strong>\u6574\u6570\u6309\u4f4d\u6570\u5207\u5272<\/strong>\u6210\u4e0d\u540c\u7684\u6570\u5b57\uff0c\u7136\u540e\u6309\u6bcf\u4e2a\u4f4d\u6570\u5206\u522b\u6bd4\u8f83\u3002\u7531\u4e8e\u6574\u6570\u4e5f\u53ef\u4ee5\u8868\u8fbe\u5b57\u7b26\u4e32\uff08\u6bd4\u5982\u540d\u5b57\u6216\u65e5\u671f\uff09\u548c\u7279\u5b9a\u683c\u5f0f\u7684\u6d6e\u70b9\u6570\uff0c\u6240\u4ee5\u57fa\u6570\u6392\u5e8f\u4e5f\u4e0d\u662f\u53ea\u80fd\u4f7f\u7528\u4e8e\u6574\u6570\u3002<\/p>\n<p>\u5c06\u6240\u6709\u5f85\u6bd4\u8f83\u6570\u503c\uff08\u6b63\u6574\u6570\uff09\u7edf\u4e00\u4e3a<strong>\u540c\u6837\u7684\u6570\u4f4d\u957f\u5ea6<\/strong>\uff0c\u6570\u4f4d\u8f83\u77ed\u7684\u6570\u524d\u9762<strong>\u8865\u96f6<\/strong>\u3002\u7136\u540e\uff0c\u4ece<strong>\u6700\u4f4e\u4f4d<\/strong>\u5f00\u59cb\uff0c\u4f9d\u6b21\u8fdb\u884c\u4e00\u6b21\u6392\u5e8f\u3002\u8fd9\u6837\u4ece\u6700\u4f4e\u4f4d\u6392\u5e8f\u4e00\u76f4\u5230\u6700\u9ad8\u4f4d\u6392\u5e8f\u5b8c\u6210\u4ee5\u540e\uff0c\u6570\u5217\u5c31\u53d8\u6210\u4e00\u4e2a\u6709\u5e8f\u5e8f\u5217\u3002<\/p>\n<h1 id=\"\u6548\u7387\">\u6548\u7387<\/h1>\n<p>\u57fa\u6570\u6392\u5e8f\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u662f<strong>O(k\u00b7n)<\/strong>\uff0c\u5176\u4e2dn\u662f\u6392\u5e8f\u5143\u7d20\u4e2a\u6570\uff0ck\u662f\u6570\u5b57\u4f4d\u6570\u3002\u6ce8\u610f\u8fd9\u4e0d\u662f\u8bf4\u8fd9\u4e2a\u65f6\u95f4\u590d\u6742\u5ea6\u4e00\u5b9a\u4f18\u4e8eO(n\u00b7log(n))\uff0ck\u7684\u5927\u5c0f\u53d6\u51b3\u4e8e\u6570\u5b57\u4f4d\u7684\u9009\u62e9\u548c\u5f85\u6392\u5e8f\u6570\u636e\u6240\u5c5e\u6570\u636e\u7c7b\u578b\u7684\u5168\u96c6\u7684\u5927\u5c0f\uff1bk\u51b3\u5b9a\u4e86\u8fdb\u884c\u591a\u5c11\u8f6e\u5904\u7406\uff0c\u800cn\u662f\u6bcf\u8f6e\u5904\u7406\u7684\u64cd\u4f5c\u6570\u76ee\u3002<\/p>\n<p>\u57fa\u6570\u6392\u5e8f\u57fa\u672c\u64cd\u4f5c\u7684\u4ee3\u4ef7\u8f83\u5c0f\uff0ck\u4e00\u822c\u4e0d\u5927\u4e8elogn\uff0c\u6240\u4ee5\u57fa\u6570\u6392\u5e8f\u4e00\u822c\u8981<strong>\u5feb\u8fc7\u57fa\u4e8e\u6bd4\u8f83\u7684\u6392\u5e8f<\/strong>\uff0c\u6bd4\u5982\u5feb\u901f\u6392\u5e8f\u3002<\/p>\n<p>\u6700\u5dee\u7a7a\u95f4\u590d\u6742\u5ea6\u662f<strong>O(k\u00b7n)<\/strong><\/p>\n<h1 id=\"java\u5b9e\u73b0-3\">Java\u5b9e\u73b0<\/h1>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160607115546499\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u73b0\u5728\u6709\u6570\u7ec4\uff1a278\uff0c109\uff0c63,930,589,184,505,269,8,83\u3000\u3002\u6839\u636e\u5404\u4f4d\u6570\u5c06\u6570\u7ec4\u5212\u5206\u4e3a10\u4e2a\u94fe\u8868(\u5f53\u7136\u5176\u4e2d\u7684\u67d0\u4e9b\u94fe\u8868\u53ef\u80fd\u4e0d\u542b\u6709\u5143\u7d20)<\/p>\n<p><strong>\u7b2c\u4e00\u6b21\u5206\u914d<\/strong>\uff1a<\/p>\n<blockquote><p>0:930<br \/>\n1:<br \/>\n2:<br \/>\n3:63,83<br \/>\n4:184<br \/>\n5:505<br \/>\n6\uff1a<br \/>\n7:<br \/>\n8:278,8<br \/>\n9:109,589,269<\/p><\/blockquote>\n<p><strong>\u7b2c\u4e00\u6b21\u6536\u96c6\u540e\u7684\u6570\u7ec4<\/strong>\uff1a<\/p>\n<blockquote><p>930,63,83,184,505\uff0c278,8,109,589,269<\/p><\/blockquote>\n<p><strong>\u7b2c\u4e8c\u6b21\u5206\u914d<\/strong>\uff1a<\/p>\n<blockquote><p>0:505,8,109<br \/>\n1:<br \/>\n2:<br \/>\n3:930<br \/>\n4:<br \/>\n5:<br \/>\n6\uff1a63,269<br \/>\n7:278<br \/>\n8:83,184\uff0c589<br \/>\n9:<\/p><\/blockquote>\n<p><strong>\u7b2c\u4e8c\u6b21\u6536\u96c6\u540e\u7684\u6570\u7ec4<\/strong>\uff1a<\/p>\n<blockquote><p>505,8,109\uff0c930\uff0c63,269\uff0c278\uff0c83,184\uff0c589<\/p><\/blockquote>\n<p><strong>\u7b2c\u4e09\u6b21\u5206\u914d\uff1a<\/strong><\/p>\n<blockquote><p>0:8,63,83<br \/>\n1:109,184<br \/>\n2:278,269<br \/>\n3:<br \/>\n4:<br \/>\n5:505,589<br \/>\n6:<br \/>\n7:<br \/>\n8:<br \/>\n9:930<\/p><\/blockquote>\n<p>\u6700\u540e\u5f97\u5230\u5e8f\u5217\uff1a<\/p>\n<blockquote><p>8,63,83,109,184\uff0c269,278,505,589,930<\/p><\/blockquote>\n<p>\u57fa\u6570\u6392\u5e8f\u5176\u5b9e\u662f\u5229\u7528\u591a\u5173\u952e\u5b57\u5148\u8fbe\u5230\u5c40\u90e8\u6709\u5e8f\uff0c\u518d\u8c03\u6574\u8fbe\u5230\u5168\u5c40\u6709\u5e8f\u3002<\/p>\n<p>\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs cpp has-numbering\"><span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> Test {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> main(String[] args) {\r\n\r\n        <span class=\"hljs-keyword\">int<\/span>[] <span class=\"hljs-built_in\">array<\/span> = {<span class=\"hljs-number\">278<\/span>,<span class=\"hljs-number\">109<\/span>,<span class=\"hljs-number\">63<\/span>,<span class=\"hljs-number\">930<\/span>,<span class=\"hljs-number\">589<\/span>,<span class=\"hljs-number\">184<\/span>,<span class=\"hljs-number\">505<\/span>,<span class=\"hljs-number\">269<\/span>,<span class=\"hljs-number\">8<\/span>,<span class=\"hljs-number\">83<\/span>};  \r\n        radixSort(<span class=\"hljs-built_in\">array<\/span>);  \r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">double<\/span> a : <span class=\"hljs-built_in\">array<\/span>){\r\n            System.out.println(a);\r\n        }\r\n    }\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> radixSort(<span class=\"hljs-keyword\">int<\/span>[] <span class=\"hljs-built_in\">array<\/span>){\r\n\r\n        <span class=\"hljs-comment\">\/\/------------------------------------------\u786e\u5b9a\u6392\u5e8f\u7684\u8d9f\u6570----------------------------------<\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> max=<span class=\"hljs-built_in\">array<\/span>[<span class=\"hljs-number\">0<\/span>];\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i=<span class=\"hljs-number\">1<\/span>;i&lt;<span class=\"hljs-built_in\">array<\/span>.length;i++){\r\n            <span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-built_in\">array<\/span>[i]&gt;max){\r\n                max=<span class=\"hljs-built_in\">array<\/span>[i];\r\n            }\r\n        }\r\n        <span class=\"hljs-keyword\">int<\/span> time=<span class=\"hljs-number\">0<\/span>;\r\n        <span class=\"hljs-keyword\">while<\/span>(max&gt;<span class=\"hljs-number\">0<\/span>){\r\n            max\/=<span class=\"hljs-number\">10<\/span>;\r\n            time++;\r\n        }\r\n        <span class=\"hljs-comment\">\/\/----------------------------------------\u521d\u59cb\u531610\u4e2a\u94fe\u8868\u7528\u6237\u5206\u914d\u65f6\u6682\u5b58-------------------------------<\/span>\r\n        List&lt;List&lt;Integer&gt;&gt; <span class=\"hljs-built_in\">list<\/span>=<span class=\"hljs-keyword\">new<\/span> ArrayList&lt;List&lt;Integer&gt;&gt;();\r\n        <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i=<span class=\"hljs-number\">0<\/span>;i&lt;<span class=\"hljs-number\">10<\/span>;i++){\r\n            List&lt;Integer&gt; item=<span class=\"hljs-keyword\">new<\/span> ArrayList&lt;Integer&gt;();\r\n            <span class=\"hljs-built_in\">list<\/span>.add(item);\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/-----------------------------------------\u8fdb\u884ctime\u6b21\u5206\u914d\u548c\u6536\u96c6-------------------------------------<\/span>\r\n      <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> i=<span class=\"hljs-number\">0<\/span>;i&lt;time;i++){\r\n            <span class=\"hljs-comment\">\/\/\u5206\u914d\u5143\u7d20;<\/span>\r\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> j=<span class=\"hljs-number\">0<\/span>;j&lt;<span class=\"hljs-built_in\">array<\/span>.length;j++){\r\n                <span class=\"hljs-keyword\">int<\/span> index = <span class=\"hljs-built_in\">array<\/span>[j]%(<span class=\"hljs-keyword\">int<\/span>)Math.<span class=\"hljs-built_in\">pow<\/span>(<span class=\"hljs-number\">10<\/span>, i+<span class=\"hljs-number\">1<\/span>)\/(<span class=\"hljs-keyword\">int<\/span>)Math.<span class=\"hljs-built_in\">pow<\/span>(<span class=\"hljs-number\">10<\/span>, i);\r\n                <span class=\"hljs-built_in\">list<\/span>.get(index).add(<span class=\"hljs-built_in\">array<\/span>[j]);\r\n            }\r\n            <span class=\"hljs-comment\">\/\/\u6536\u96c6\u5143\u7d20;<\/span>\r\n            <span class=\"hljs-keyword\">int<\/span> count=<span class=\"hljs-number\">0<\/span>;\r\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> k=<span class=\"hljs-number\">0<\/span>;k&lt;<span class=\"hljs-number\">10<\/span>;k++){\r\n                <span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-built_in\">list<\/span>.get(k).size()&gt;<span class=\"hljs-number\">0<\/span>){\r\n                    <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> a : <span class=\"hljs-built_in\">list<\/span>.get(k)){\r\n                        <span class=\"hljs-built_in\">array<\/span>[count]=a;\r\n                        count++;\r\n                    }\r\n                    <span class=\"hljs-comment\">\/\/\u6e05\u9664\u6570\u636e\uff0c\u4ee5\u4fbf\u4e0b\u6b21\u6536\u96c6<\/span>\r\n                    <span class=\"hljs-built_in\">list<\/span>.get(k).clear();\r\n                }\r\n            }\r\n        }\r\n    }\r\n}<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"http:\/\/img.blog.csdn.net\/20160607135057719\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u5341\u3001\u63d2\u5165\u6392\u5e8f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"title-8\"><\/h2>\n<h1 id=\"\u6982\u8ff0-2\">\u6982\u8ff0<\/h1>\n<p>\u5c06\u4e00\u4e2a\u6570\u636e\u63d2\u5165\u5230\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u6709\u5e8f\u6570\u636e\u4e2d\uff0c\u4ece\u800c\u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u3001\u4e2a\u6570\u52a0\u4e00\u7684\u6709\u5e8f\u6570\u636e\uff0c\u7b97\u6cd5\u9002\u7528\u4e8e<strong>\u5c11\u91cf\u6570\u636e<\/strong>\u7684\u6392\u5e8f\uff0c\u662f<strong>\u7a33\u5b9a<\/strong>\u7684\u6392\u5e8f\u65b9\u6cd5\u3002<\/p>\n<p>\u63d2\u5165\u6392\u5e8f\u53c8\u5206\u4e3a\u3000\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u3000\u548c \u6298\u534a\u63d2\u5165\u6392\u5e8f\u3002<\/p>\n<h1 id=\"\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\">\u76f4\u63a5\u63d2\u5165\u6392\u5e8f<\/h1>\n<p>\u628a\u5f85\u6392\u5e8f\u7684\u7eaa\u5f55\u6309\u5176\u5173\u952e\u7801\u503c\u7684\u5927\u5c0f\u9010\u4e2a\u63d2\u5165\u5230\u4e00\u4e2a\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u6709\u5e8f\u5e8f\u5217\u4e2d\uff0c\u76f4\u5230\u6240\u6709\u7684\u7eaa\u5f55\u63d2\u5165\u5b8c\u4e3a\u6b62\uff0c\u5f97\u5230\u4e00\u4e2a\u65b0\u7684\u6709\u5e8f\u5e8f\u5217\u3002<\/p>\n<h2 id=\"java\u5b9e\u73b0-4\">Java\u5b9e\u73b0<\/h2>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\">    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">insertSort<\/span>(<span class=\"hljs-keyword\">int<\/span> a[]){  \r\n        <span class=\"hljs-keyword\">int<\/span> j;       <span class=\"hljs-comment\">\/\/\u5f53\u524d\u8981\u63d2\u5165\u503c\u7684\u4f4d\u7f6e  <\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> preJ;     <span class=\"hljs-comment\">\/\/\u4f9d\u6b21\u6307\u5411j\u524d\u7684\u4f4d\u7f6e  <\/span>\r\n        <span class=\"hljs-keyword\">int<\/span> key;       <span class=\"hljs-comment\">\/\/\u540e\u79fb\u65f6\u6765\u6682\u5b58\u8981\u63d2\u5165\u7684\u503c<\/span>\r\n\r\n        <span class=\"hljs-comment\">\/\/\u4ece\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u5f00\u59cb\u904d\u5386\u503c  <\/span>\r\n        <span class=\"hljs-keyword\">for<\/span>(j=<span class=\"hljs-number\">1<\/span>;j&lt;a.length;j++){  \r\n            key=a[j];  \r\n            preJ=j-<span class=\"hljs-number\">1<\/span>;  \r\n            <span class=\"hljs-comment\">\/\/a[preJ]\u6bd4\u5f53\u524d\u503c\u5927\u65f6\uff0ca[preJ]\u540e\u79fb\u4e00\u4f4d  <\/span>\r\n            <span class=\"hljs-keyword\">while<\/span>(preJ&gt;=<span class=\"hljs-number\">0<\/span> &amp;&amp; a[preJ]&gt;key){  \r\n                a[preJ+<span class=\"hljs-number\">1<\/span>]=a[preJ]; <span class=\"hljs-comment\">\/\/\u5c06a[preJ]\u503c\u540e\u79fb   <\/span>\r\n\r\n     <span class=\"hljs-comment\">\/\/\u8fd9\u91cc\u6ce8\u610f:  a[preJ+1]=a[j]=key,\u628a\u63d2\u5165\u503c\u5df2\u7ecf\u5b58\u5728\u4e86 key\u4e2d<\/span>\r\n    <span class=\"hljs-comment\">\/\/\u7b49\u4e8e\u8bf4, \u7559\u51fa\u6765\u4e00\u4e2a\u7a7a\u767d\u4f4d\u7f6e\u6765\u5b9e\u73b0\u4f9d\u6b21\u540e\u79fb\uff08\u4e0d\u4f1a\u9020\u6210\u6570\u636e\u4e22\u5931\u95ee\u9898\uff09<\/span>\r\n\r\n                preJ--;         <span class=\"hljs-comment\">\/\/preJ\u524d\u79fb  <\/span>\r\n            }\r\n            <span class=\"hljs-comment\">\/\/\u627e\u5230\u8981\u63d2\u5165\u7684\u4f4d\u7f6e\u6216\u5df2\u904d\u5386\u5b8c\u6210\uff08(preJ=0\uff09<\/span>\r\n            a[preJ+<span class=\"hljs-number\">1<\/span>]=key;    <span class=\"hljs-comment\">\/\/\u5c06\u5f53\u524d\u503c\u63d2\u5165 \u7a7a\u767d\u4f4d\u7f6e<\/span>\r\n        }  \r\n    } <\/code><\/pre>\n<p>\u5907\u6ce8\u5f88\u6e05\u695a\uff0c\u6211\u5c31\u4e0d\u591a\u8bf4\u4e86\uff0e\uff0e\uff0e\uff0e<\/p>\n<h2 id=\"\u6548\u7387\u5206\u6790\">\u6548\u7387\u5206\u6790<\/h2>\n<p>\u7a7a\u95f4\u590d\u6742\u5ea6O(1)<\/p>\n<p>\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6O(n^2)<\/p>\n<blockquote><p>\u6700\u5dee\u60c5\u51b5\uff1a\u53cd\u5e8f\uff0c\u9700\u8981\u79fb\u52a8n*(n-1)\/2\u4e2a\u5143\u7d20 \uff0c\u8fd0\u884c\u65f6\u95f4\u4e3aO(n^2)\u3002<\/p>\n<p>\u6700\u597d\u60c5\u51b5\uff1a\u6b63\u5e8f\uff0c\u4e0d\u9700\u8981\u79fb\u52a8\u5143\u7d20\uff0c\u8fd0\u884c\u65f6\u95f4\u4e3aO(n)\uff0e<\/p><\/blockquote>\n<h1 id=\"\u6298\u534a\u63d2\u5165\u6392\u5e8f\">\u6298\u534a\u63d2\u5165\u6392\u5e8f<\/h1>\n<p>\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u4e2d\u8981\u628a<strong>\u63d2\u5165\u5143\u7d20<\/strong>\u4e0e<strong>\u5df2\u6709\u5e8f\u5e8f\u5217\u5143\u7d20<\/strong>\u4f9d\u6b21\u8fdb\u884c\u6bd4\u8f83\uff0c\u6548\u7387\u975e\u5e38\u4f4e\u3002<\/p>\n<p>\u6298\u534a\u63d2\u5165\u6392\u5e8f,\u4f7f\u7528\u4f7f\u7528<strong>\u6298\u534a\u67e5\u627e<\/strong>\u7684\u65b9\u5f0f\u5bfb\u627e\u63d2\u5165\u70b9\u7684\u4f4d\u7f6e, \u53ef\u4ee5\u51cf\u5c11\u6bd4\u8f83\u7684\u6b21\u6570,\u4f46\u79fb\u52a8\u7684\u6b21\u6570\u4e0d\u53d8, \u65f6\u95f4\u590d\u6742\u5ea6\u548c\u7a7a\u95f4\u590d\u6742\u5ea6\u548c\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u4e00\u6837\uff0c\u5728\u5143\u7d20\u8f83\u591a\u7684\u60c5\u51b5\u4e0b\u80fd\u63d0\u9ad8\u67e5\u627e\u6027\u80fd\u3002<\/p>\n<h2 id=\"java\u5b9e\u73b0-5\">Java\u5b9e\u73b0<\/h2>\n<pre class=\"prettyprint\"><code class=\"hljs livecodeserver has-numbering\"><span class=\"hljs-keyword\">private<\/span> static void binaryInsertSort(int[] <span class=\"hljs-operator\">a<\/span>)  \r\n    {  \r\n       <span class=\"hljs-comment\"> \/\/\u4ece\u6570\u7ec4\u7684\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u5f00\u59cb\u904d\u5386\u503c    <\/span>\r\n        <span class=\"hljs-keyword\">for<\/span>(int i = <span class=\"hljs-number\">1<\/span>; i &lt; <span class=\"hljs-operator\">a<\/span>.<span class=\"hljs-built_in\">length<\/span>; i++)  {  \r\n            int key = <span class=\"hljs-operator\">a<\/span>[i];          <span class=\"hljs-comment\"> \/\/\u6682\u5b58\u8981\u63d2\u5165\u7684\u503c    <\/span>\r\n            int pre = <span class=\"hljs-number\">0<\/span>;             <span class=\"hljs-comment\"> \/\/\u6709\u5e8f\u5e8f\u5217\u5f00\u59cb\u548c\u7ed3\u5c3e\u4e0b\u6807\u7533\u660e<\/span>\r\n            int <span class=\"hljs-keyword\">last<\/span> = i - <span class=\"hljs-number\">1<\/span>;       \r\n       <span class=\"hljs-comment\"> \/\/ \u6298\u534a\u67e5\u627e\u51fa\u63d2\u5165\u4f4d\u7f6e a[pre]<\/span>\r\n            <span class=\"hljs-keyword\">while<\/span>(pre &lt;= <span class=\"hljs-keyword\">last<\/span>)  {  \r\n                int <span class=\"hljs-keyword\">mid<\/span> = (pre + <span class=\"hljs-keyword\">last<\/span>) \/ <span class=\"hljs-number\">2<\/span>;                \r\n                <span class=\"hljs-keyword\">if<\/span>(key &lt; <span class=\"hljs-operator\">a<\/span>[<span class=\"hljs-keyword\">mid<\/span>])  {  \r\n                    <span class=\"hljs-keyword\">last<\/span> = <span class=\"hljs-keyword\">mid<\/span> - <span class=\"hljs-number\">1<\/span>;  \r\n                } <span class=\"hljs-keyword\">else<\/span> {  \r\n                    pre = <span class=\"hljs-keyword\">mid<\/span> + <span class=\"hljs-number\">1<\/span>;  \r\n                }  \r\n            }  \r\n    <span class=\"hljs-comment\"> \/\/a[i]\u5df2\u7ecf\u53d6\u51fa\u6765\u5b58\u653e\u5728key\u4e2d\uff0c\u628a\u4e0b\u6807\u4ecepre + 1\u5230 i-1\u7684\u5143\u7d20\u4f9d\u6b21\u540e\u79fb<\/span>\r\n            <span class=\"hljs-keyword\">for<\/span>(int j = i; j &gt;= pre + <span class=\"hljs-number\">1<\/span>; j<span class=\"hljs-comment\">--)  {  <\/span>\r\n                <span class=\"hljs-operator\">a<\/span>[j] = <span class=\"hljs-operator\">a<\/span>[j - <span class=\"hljs-number\">1<\/span>];  \r\n            }  \r\n           <span class=\"hljs-comment\"> \/\/\u628a\u503c\u63d2\u5165\u7a7a\u767d\u4f4d\u7f6e<\/span>\r\n            <span class=\"hljs-operator\">a<\/span>[pre] = key;            \r\n        }  \r\n    } <\/code><\/pre>\n<p>\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u662f\uff0c\u6bd4\u8f83\u4e00\u4e2a\u540e\u79fb\u4e00\u4e2a\uff1b<br \/>\n\u6298\u534a\u63d2\u5165\u6392\u5e8f\u662f\uff0c\u5148\u627e\u5230\u4f4d\u7f6e\uff0c\u7136\u540e\u4e00\u8d77\u79fb\u52a8\uff1b<\/p>\n<table>\n<tbody>\n<tr>\n<td bgcolor=\"#f4f31a\"><span style=\"color: #00aaff; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: x-large;\">\u5341\u4e00\u3001\u8865\u5145<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"1-\u5feb\u6392\u7684partition\u51fd\u6570\">1. \u5feb\u6392\u7684partition\u51fd\u6570<\/h3>\n<p>\u4f5c\u7528\uff1a\u7ed9\u5b9a\u4e00\u4e2a\u6570\u7ec4arr[]\u548c\u6570\u7ec4\u4e2d\u4efb\u610f\u4e00\u4e2a\u5143\u7d20a\uff0c\u91cd\u6392\u6570\u7ec4\u4f7f\u5f97a\u5de6\u8fb9\u90fd\u5c0f\u4e8e\u5b83\uff0c\u53f3\u8fb9\u90fd\u4e0d\u5c0f\u4e8e\u5b83\u3002<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs cs has-numbering\"><span class=\"hljs-comment\">\/\/ A[]\u4e3a\u6570\u7ec4\uff0cstart\u3001end\u5206\u522b\u4e3a\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u548c\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u7d22\u5f15<\/span>\r\n <span class=\"hljs-comment\">\/\/ povitIndex\u4e3a\u6570\u7ec4\u4e2d\u4efb\u610f\u9009\u4e2d\u7684\u6570\u7684\u7d22\u5f15<\/span>\r\n<span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span> partition(<span class=\"hljs-keyword\">int<\/span> A[], <span class=\"hljs-keyword\">int<\/span> start, <span class=\"hljs-keyword\">int<\/span> end, <span class=\"hljs-keyword\">int<\/span> pivotIndex){\r\n    <span class=\"hljs-keyword\">int<\/span> i = start, j = end, pivot = A[pivotIndex];\r\n    swap&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(A[end], A[pivotIndex]);\r\n    <span class=\"hljs-keyword\">while<\/span>(i &lt; j){\r\n        <span class=\"hljs-keyword\">while<\/span>(i &lt; j &amp;&amp; A[i] &lt;= pivot) ++i;\r\n        <span class=\"hljs-keyword\">while<\/span>(i &lt; j &amp;&amp; A[j] &gt;= pivot) --j;\r\n        <span class=\"hljs-keyword\">if<\/span>(i &lt; j) swap&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(A[i], A[j]);\r\n    }\r\n    swap&lt;<span class=\"hljs-keyword\">int<\/span>&gt;(A[end], A[i]);\r\n    <span class=\"hljs-keyword\">return<\/span> i;\r\n}<\/code><\/pre>\n<h3 id=\"2-\u5192\u6ce1\u6392\u5e8f\u7684\u6539\u8fdb\">2. \u5192\u6ce1\u6392\u5e8f\u7684\u6539\u8fdb<\/h3>\n<p>\u601d\u8def\uff1a<\/p>\n<p>\u2460\u3001\u52a0\u4e00\u4e2a\u6807\u5fd7\u4f4d\uff0c\u5f53\u67d0\u4e00\u8d9f\u5192\u6ce1\u6392\u5e8f\u6ca1\u6709\u5143\u7d20\u4ea4\u6362\u65f6\uff0c\u5219\u5192\u6ce1\u7ed3\u675f\uff0c\u5143\u7d20\u5df2\u7ecf\u6709\u5e8f\uff0c\u53ef\u4ee5\u6709\u6548\u7684\u51cf\u5c11\u5192\u6ce1\u6b21\u6570\u3002<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs java has-numbering\">  <span class=\"hljs-javadoc\">\/** \r\n     * \u5f15\u5165\u6807\u5fd7\u4f4d\uff0c\u9ed8\u8ba4\u4e3atrue \r\n     * \u5982\u679c\u524d\u540e\u6570\u636e\u8fdb\u884c\u4e86\u4ea4\u6362\uff0c\u5219\u4e3atrue\uff0c\u5426\u5219\u4e3afalse\u3002\u5982\u679c\u6ca1\u6709\u6570\u636e\u4ea4\u6362\uff0c\u5219\u6392\u5e8f\u5b8c\u6210\u3002 \r\n     *\/<\/span>  \r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">int<\/span>[] <span class=\"hljs-title\">bubbleSort<\/span>(<span class=\"hljs-keyword\">int<\/span>[] arr){  \r\n        <span class=\"hljs-keyword\">boolean<\/span> flag = <span class=\"hljs-keyword\">true<\/span>;  \r\n        <span class=\"hljs-keyword\">int<\/span> n = arr.length;  \r\n        <span class=\"hljs-keyword\">while<\/span>(flag){  \r\n            flag = <span class=\"hljs-keyword\">false<\/span>;  \r\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">int<\/span> j=<span class=\"hljs-number\">0<\/span>;j&lt;n-<span class=\"hljs-number\">1<\/span>;j++){  \r\n                <span class=\"hljs-keyword\">if<\/span>(arr[j] &gt;arr[j+<span class=\"hljs-number\">1<\/span>]){  \r\n                    <span class=\"hljs-comment\">\/\/\u6570\u636e\u4ea4\u6362  <\/span>\r\n                    <span class=\"hljs-keyword\">int<\/span> temp = arr[j];  \r\n                    arr[j] = arr[j+<span class=\"hljs-number\">1<\/span>];  \r\n                    arr[j+<span class=\"hljs-number\">1<\/span>] = temp;  \r\n                    <span class=\"hljs-comment\">\/\/\u8bbe\u7f6e\u6807\u5fd7\u4f4d  <\/span>\r\n                    flag = <span class=\"hljs-keyword\">true<\/span>;  \r\n                }  \r\n            }  \r\n            n--;  \r\n        }  \r\n        <span class=\"hljs-keyword\">return<\/span> arr;  \r\n    }  <\/code><\/pre>\n<p>\u2461\u3001\u8bb0\u5f55\u6bcf\u4e00\u6b21\u5143\u7d20\u4ea4\u6362\u7684\u4f4d\u7f6e\uff0c\u5f53\u5143\u7d20\u4ea4\u6362\u7684\u4f4d\u7f6e\u5728\u7b2c0\u4e2a\u5143\u7d20\u65f6\uff0c\u5219\u6392\u5e8f\u7ed3\u675f\u3002<\/p>\n<h3 id=\"3\u5feb\u6392\u4f18\u5316\">3.\u5feb\u6392\u4f18\u5316<\/h3>\n<p>\u2460 \u5feb\u901f\u6392\u5e8f\u5728\u5904\u7406\u5c0f\u89c4\u6a21\u6570\u636e\u65f6\u7684\u8868\u73b0\u4e0d\u597d\uff0c\u8fd9\u4e2a\u65f6\u5019\u53ef\u4ee5\u6539\u7528\u63d2\u5165\u6392\u5e8f\u3002<\/p>\n<p>\u2461\u5bf9\u4e8e\u4e00\u4e2a\u6bcf\u4e2a\u5143\u7d20\u90fd\u5b8c\u5168\u76f8\u540c\u7684\u4e00\u4e2a\u5e8f\u5217\u6765\u8bb2\uff0c\u5feb\u901f\u6392\u5e8f\u4e5f\u4f1a\u9000\u5316\u5230 O(n^2)\u3002\u8981\u5c06\u8fd9\u79cd\u60c5\u51b5\u907f\u514d\u5230\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<\/p>\n<p>\u5728\u5206\u533a\u7684\u65f6\u5019\uff0c\u5c06\u5e8f\u5217\u5206\u4e3a 3 \u5806\uff0c\u4e00\u5806\u5c0f\u4e8e\u4e2d\u8f74\u5143\u7d20\uff0c\u4e00\u5806\u7b49\u4e8e\u4e2d\u8f74\u5143\u7d20\uff0c\u4e00\u5806\u5927\u4e8e\u4e2d\u8f74\u5143\u7d20\uff0c\u4e0b\u6b21\u9012\u5f52\u8c03\u7528\u5feb\u901f\u6392\u5e8f\u7684\u65f6\u5019\uff0c\u53ea\u9700\u5bf9\u5c0f\u4e8e\u548c\u5927\u4e8e\u4e2d\u8f74\u5143\u7d20\u7684\u4e24\u5806\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u4e2d\u95f4\u7b49\u4e8e\u4e2d\u8f74\u5143\u7d20\u7684\u4e00\u5806\u5df2\u7ecf\u653e\u597d\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u539f\u6587\uff1a<a href=\"http:\/\/blog.csdn.net\/amazing7\/article\/details\/51603682\" target=\"_blank\" rel=\"noopener\">http:\/\/blog.csdn.net\/amazing7\/article\/details\/51603682<\/a><\/h3>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.chenweikang.top\">\u5de6\u624b\u4ee3\u7801\u53f3\u624b\u8bd7<\/a> &raquo; <a href=\"https:\/\/www.chenweikang.top\/?p=486\">\u4e5d\u5927\u57fa\u7840\u6392\u5e8f\u603b\u7ed3\u4e0e\u5bf9\u6bd4<\/a><\/p><div class=\"__youshang\">\r\n            <div id=\"__youshang_popup\" class=\"wechat popup\" style=\"display: none;\">\r\n                <div class=\"head\">~\u8c22\u8c22\u6253\u8d4f~<\/div>\r\n                <div class=\"qrcode\"><div class=\"qrcode-li wechat\" ><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/wexin.png\" \/><\/div><div class=\"qrcode-li alipay\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-pay.png\" \/><\/div><div class=\"qrcode-li hongbao\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-hongbao.png\" \/><\/div><\/div>\r\n                <ul class=\"platform\"><li class=\"icon-wechat active\" data-bg-color=\"#05af4e\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-alipay \" data-bg-color=\"#00a2ea\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-hongbao \" data-bg-color=\"#dd5746\" data-thanks=\"<p>\u626b\u7801\u9886\u7ea2\u5305<\/p><p style='margin-top: 24px;'>\uff08\u4f59\u989d\u5b9d\u652f\u4ed8\u65f6\u53ef\u62b5\u73b0\uff09<\/p>\"><\/li><\/ul>\r\n            <\/div>\r\n            <a href=\"javascript:void(0);\" id=\"__youshang_btn\">\u8d4f<\/a>\r\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u5bf9\u6bd4\u5206\u6790\u56fe \u5747\u6309\u4ece\u5c0f\u5230\u5927\u6392\u5217 k\u4ee3\u8868\u6570\u503c\u4e2d\u7684\u201d\u6570\u4f4d\u201d\u4e2a\u6570 n\u4ee3\u8868\u6570\u636e\u89c4\u6a21 m\u4ee3\u8868\u6570\u636e\u7684\u6700\u5927\u503c\u51cf\u6700\u5c0f\u503c \u7a33\u5b9a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,3],"tags":[20,51],"class_list":["post-486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-note","tag-java","tag-51"],"_links":{"self":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/486","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=486"}],"version-history":[{"count":0,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/486\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/media\/137"}],"wp:attachment":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}