{"id":4649,"date":"2020-01-14T13:49:39","date_gmt":"2020-01-14T05:49:39","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=4649"},"modified":"2020-01-14T13:49:39","modified_gmt":"2020-01-14T05:49:39","slug":"%e6%8e%92%e5%ba%8f%e7%ae%97%e6%b3%95%e4%b9%8b%e6%8f%92%e5%85%a5%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=4649","title":{"rendered":"\u6392\u5e8f\u7b97\u6cd5\u4e4b\u63d2\u5165\u6392\u5e8f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u63d2\u5165\u6392\u5e8f\u662f\u4e00\u79cd\u6700\u5bb9\u6613\u7406\u89e3\u7684\u6392\u5e8f\uff0c\u6211\u7ed9\u6413\u9ebb\u5c06\u548c\u6253\u724c\u7684\u5927\u5988\u90fd\u80fd\u8bb2\u660e\u767d\u3002\u56e0\u4e3a\uff0c\u5b83\u548c\u6253\u724c\u4e00\u6837\uff0c\u6bcf\u5f53\u63a5\u5230\u4e00\u5f20\u724c\uff0c\u6211\u4eec\u90fd\u9009\u62e9\u6027\u7684\u63d2\u5165\u5230\u624b\u4e2d\u5df2\u6709\u5e8f\u7684\u724c\u4e2d\u3002<\/p>\n\n\n\n<p 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O(1)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6392\u5e8f\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u4ece\u7b2c\u4e00\u4e2a\u5143\u7d20\u5f00\u59cb\uff0c\u8be5\u5143\u7d20\u53ef\u4ee5\u8ba4\u4e3a\u5df2\u7ecf\u88ab\u6392\u5e8f<\/li><li>\u53d6\u51fa\u4e0b\u4e00\u4e2a\u5143\u7d20\uff0c\u5728\u5df2\u7ecf\u6392\u5e8f\u7684\u5143\u7d20\u5e8f\u5217\u4e2d\u4ece\u540e\u5411\u524d\u626b\u63cf<\/li><li>\u5982\u679c\u8be5\u5143\u7d20\uff08\u5df2\u6392\u5e8f\uff09\u5927\u4e8e\u65b0\u5143\u7d20\uff0c\u5c06\u8be5\u5143\u7d20\u79fb\u5230\u4e0b\u4e00\u4f4d\u7f6e<\/li><li>\u91cd\u590d\u6b65\u9aa43\uff0c\u76f4\u5230\u627e\u5230\u5df2\u6392\u5e8f\u7684\u5143\u7d20\u5c0f\u4e8e\u6216\u8005\u7b49\u4e8e\u65b0\u5143\u7d20\u7684\u4f4d\u7f6e<\/li><li>\u5c06\u65b0\u5143\u7d20\u63d2\u5165\u5230\u8be5\u4f4d\u7f6e\u540e<\/li><li>\u91cd\u590d\u6b65\u9aa42~5<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d2\u5165\u6392\u5e8f\u7684 Java \u6848\u4f8b\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public void insertionSort(int[] array) {\n    for (int i = 1; i &lt; array.length; i++) {\n        int key = array[i];\n        int j = i - 1;\n        while (j &gt;= 0 &amp;&amp; array[j] &gt; key) {\n            array[j + 1] = array[j];\n            j--;\n        }\n        array[j + 1] = key;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u6216\u8005\u7c7b\u4f3c\u4e0b\u9762\u7684\u8fd9\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u5c06arr[i] \u63d2\u5165\u5230arr[0]...arr[i - 1]\u4e2d\npublic static void insertion_sort(int[] arr) {\n    for (int i = 1; i &lt; arr.length; i++ ) {\n        int temp = arr[i];\n        int j = i - 1;  \n        \/\/\u5982\u679c\u5c06\u8d4b\u503c\u653e\u5230\u4e0b\u4e00\u884c\u7684for\u5faa\u73af\u5185, \u4f1a\u5bfc\u81f4\u5728\u7b2c10\u884c\u51fa\u73b0j\u672a\u58f0\u660e\u7684\u9519\u8bef\n        for (j &gt;= 0 &amp;&amp; arr[j] &gt; temp; j-- ) {\n            arr[j + 1] = arr[j];\n        }\n        arr[j + 1] = temp;\n    }\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6392\u5e8f\u52a8\u6001\u6548\u679c\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/hustcc\/JS-Sorting-Algorithm\/master\/res\/insertionSort.gif\" alt=\"\" \/><figcaption>\u63d2\u5165\u6392\u5e8f\u52a8\u753b<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u76ee\u6807\u662f\u628an\u4e2a\u5143\u7d20\u7684\u5e8f\u5217\u5347\u5e8f\u6392\u5217\uff0c\u90a3\u4e48\u91c7\u7528\u63d2\u5165\u6392\u5e8f\u5b58\u5728\u6700\u597d\u60c5\u51b5\u548c\u6700\u574f\u60c5\u51b5\u3002\u6700\u597d\u60c5\u51b5\u5c31\u662f\uff0c\u5e8f\u5217\u5df2\u7ecf\u662f\u5347\u5e8f\u6392\u5217\u4e86\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u8fdb\u884c\u7684\u6bd4\u8f83\u64cd\u4f5c\u9700 n-1 \u6b21\u5373\u53ef\u3002\u6700\u574f\u60c5\u51b5\u5c31\u662f\uff0c\u5e8f\u5217\u662f\u964d\u5e8f\u6392\u5217\uff0c\u90a3\u4e48\u6b64\u65f6\u9700\u8981\u8fdb\u884c\u7684\u6bd4\u8f83\u5171\u6709 n*(n-1)\/2 \u6b21\u3002\u63d2\u5165\u6392\u5e8f\u7684\u8d4b\u503c\u64cd\u4f5c\u662f\u6bd4\u8f83\u64cd\u4f5c\u7684\u6b21\u6570\u51cf\u53bb n-1 \u6b21\uff0c\uff08\u56e0\u4e3a n-1 \u6b21\u5faa\u73af\u4e2d\uff0c\u6bcf\u4e00\u6b21\u5faa\u73af\u7684\u6bd4\u8f83\u90fd\u6bd4\u8d4b\u503c\u591a\u4e00\u4e2a\uff0c\u591a\u5728\u6700\u540e\u90a3\u4e00\u6b21\u6bd4\u8f83\u5e76\u4e0d\u5e26\u6765\u8d4b\u503c\uff09\u3002\u5e73\u5747\u6765\u8bf4\u63d2\u5165\u6392\u5e8f\u7b97\u6cd5\u590d\u6742\u5ea6\u4e3a O(n^2)\u3002\u56e0\u800c\uff0c\u63d2\u5165\u6392\u5e8f\u4e0d\u9002\u5408\u5bf9\u4e8e\u6570\u636e\u91cf\u6bd4\u8f83\u5927\u7684\u6392\u5e8f\u5e94\u7528\u3002\u4f46\u662f\uff0c\u5982\u679c\u9700\u8981\u6392\u5e8f\u7684\u6570\u636e\u91cf\u5f88\u5c0f\uff0c\u4f8b\u5982\uff0c\u91cf\u7ea7\u5c0f\u4e8e\u5343\uff1b\u6216\u8005\u82e5\u5df2\u77e5\u8f93\u5165\u5143\u7d20\u5927\u81f4\u4e0a\u6309\u7167\u987a\u5e8f\u6392\u5217\uff0c\u90a3\u4e48\u63d2\u5165\u6392\u5e8f\u8fd8\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002 \u63d2\u5165\u6392\u5e8f\u5728\u5de5\u4e1a\u7ea7\u5e93\u4e2d\u4e5f\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5728 STL \u7684 sort \u7b97\u6cd5\u548c stdlib \u7684 qsort \u7b97\u6cd5\u4e2d\uff0c\u90fd\u5c06\u63d2\u5165\u6392\u5e8f\u4f5c\u4e3a\u5feb\u901f\u6392\u5e8f\u7684\u8865\u5145\uff0c\u7528\u4e8e\u5c11\u91cf\u5143\u7d20\u7684\u6392\u5e8f\uff08\u901a\u5e38\u4e3a8\u4e2a\u6216\u4ee5\u4e0b\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d2\u5165\u6392\u5e8f\u8fd8\u53ef\u4ee5\u91c7\u7528\u4e8c\u5206\u67e5\u627e\u6cd5\u6765\u51cf\u5c11\u201c\u6bd4\u8f83\u64cd\u4f5c\u201d\u7684\u6570\u76ee\uff0c\u8fd9\u6837\u7684\u7b97\u6cd5\u53ef\u4ee5\u8ba4\u4e3a\u662f\u63d2\u5165\u6392\u5e8f\u7684\u4e00\u4e2a\u53d8\u79cd\uff0c\u79f0\u4e3a\u4e8c\u5206\u67e5\u627e\u63d2\u5165\u6392\u5e8f\u3002<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img 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