{"id":831,"date":"2020-07-14T23:35:16","date_gmt":"2020-07-14T15:35:16","guid":{"rendered":"http:\/\/summid.icu\/?p=831"},"modified":"2023-06-01T15:19:14","modified_gmt":"2023-06-01T07:19:14","slug":"sort","status":"publish","type":"post","link":"https:\/\/summid.icu\/index.php\/2020\/07\/14\/sort\/","title":{"rendered":"\u5e38\u7528\u6392\u5e8f\u7b97\u6cd5\u603b\u7ed3"},"content":{"rendered":"

<\/p>\n\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t
\u6392\u5e8f\u7b97\u6cd5<\/th>\u5e73\u5747\u65f6\u95f4\u590d\u6742\u5ea6<\/th>\u6700\u597d\u65f6\u95f4\u590d\u6742\u5ea6<\/th>\u6700\u574f\u65f6\u95f4\u590d\u6742\u5ea6<\/th>\u7a7a\u95f4\u590d\u6742\u5ea6<\/th>\u662f\u5426\u7a33\u5b9a<\/th>\n<\/tr>\n<\/thead>\n
\u5192\u6ce1\u6392\u5e8f<\/td>O(n\u00b2)<\/td>O(n)<\/td>O(n\u00b2)<\/td>O(1)<\/td>\u662f<\/td>\n<\/tr>\n
\u9009\u62e9\u6392\u5e8f<\/td>O(n\u00b2)<\/td>O(n)<\/td>O(n\u00b2)<\/td>O(1)<\/td>\u4e0d\u662f<\/td>\n<\/tr>\n
\u63d2\u5165\u6392\u5e8f<\/td>O(n\u00b2)<\/td>O(n)<\/td>O(n\u00b2)<\/td>O(1)<\/td>\u662f<\/td>\n<\/tr>\n
\u5feb\u901f\u6392\u5e8f<\/td>O(nlog\u2082n)<\/td>O(nlog\u2082n)<\/td>O(n\u00b2)<\/td>O(log\u2082n)<\/td>\u4e0d\u662f<\/td>\n<\/tr>\n
\u5f52\u5e76\u6392\u5e8f<\/td>O(nlog\u2082n)<\/td>O(nlog\u2082n)<\/td>O(nlog\u2082n)<\/td>O(n)<\/td>\u662f<\/td>\n<\/tr>\n
\u5806\u6392\u5e8f<\/td>O(nlog\u2082n)<\/td>O(nlog\u2082n)<\/td>O(nlog\u2082n)<\/td>O(1)<\/td>\u4e0d\u662f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
\"\"<\/div><\/figure>\n\n\n

\u5192\u6ce1\u6392\u5e8f<\/span><\/h1>\n

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\u4e0b\u56fe\u4e2d\u7070\u8272\u7684\u6570\u4e3a\u4e71\u5e8f\uff0c\u6a59\u8272\u7684\u6570\u4e3a\u6709\u5e8f\uff0c\u5b83\u4eec\u5206\u522b\u7ec4\u6210\u4e71\u5e8f\u5e8f\u5217\u548c\u6709\u5e8f\u5e8f\u5217\u3002<\/span><\/p>\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
void BubbleSort(int arr[],int len)\n{\n\tfor (int i = 0; i < len - 1; ++i)\n\t{\n\t\tfor (int j = 0; j < len - 1 - i; ++j)\n\t\t{\n\t\t\tif (arr[j] > arr[j + 1])\n\t\t\t\tswap(arr[j], arr[j + 1]);\n\t\t}\n\t}\n}<\/pre>\n\n\n
    \n
  • \u53d8\u91cflen\u4e3a\u6570\u7ec4\u5143\u7d20\u4e2a\u6570<\/li>\n
  • \u56e0\u4e3a\u8981\u5c06\u5f53\u524d\u904d\u5386\u5230\u7684\u5143\u7d20\u4e0e\u5176\u540e\u9762\u7684\u5143\u7d20\u6bd4\u8f83\uff0c\u4e3a\u4e86\u9632\u6b62arr[j+1]\u8d8a\u754c\uff0c\u5185\u5c42\u5faa\u73af j < len – 1<\/span>\uff0c\u591a\u51cf1<\/li>\n
  • \u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u540e\u9762i\u4e2a\u5143\u7d20\u662f\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\uff0c\u518d\u6b21\u904d\u5386\u6ca1\u6709\u610f\u4e49\uff0c\u56e0\u6b64 j – i <\/span>\u63d0\u524d\u9000\u51fa\u5faa\u73af<\/li>\n<\/ul>\n\n\n
    \n\n\n
    \u9009\u62e9\u6392\u5e8f<\/span><\/h1>\n
    \u6211\u4eec\u5c06\u6570\u7ec4\u524d\u534a\u90e8\u5206\u6392\u597d\u5e8f\u7684\u79f0\u4e3a\u6709\u5e8f\u5e8f\u5217\uff0c\u540e\u534a\u90e8\u5206\u4e71\u5e8f\u7684\u79f0\u4e3a\u4e71\u5e8f\u5e8f\u5217\u3002<\/span>
    \u521d\u59cb\u65f6\u6709\u5e8f\u5e8f\u5217\u4e3a\u7a7a\uff0c\u6574\u4e2a\u6570\u7ec4\u90fd\u4e3a\u4e71\u5e8f\u5e8f\u5217\u3002<\/span><\/p>\n
    \u904d\u5386 n \u6b21\u6570\u7ec4\uff0c\u6bcf\u6b21\u904d\u5386\u6574\u4e2a\u4e71\u5e8f\u5e8f\u5217\uff0c\u9009\u51fa\u4e71\u5e8f\u5e8f\u5217\u4e2d\u6700\u5c0f\u503c\uff1b\u904d\u5386\u7ed3\u675f\u540e\u5c06\u8be5\u6700\u5c0f\u503c\u6dfb\u52a0\u5728\u6709\u5e8f\u5e8f\u5217\u540e\u4e00\u4f4d\u4e0a\u3002<\/span><\/p>\n\n\n
    \"\"<\/div><\/figure>\n\n\n\n
    void SelectSort(int arr[], int len)\n{\n\t\/\/\u6700\u5c0f\u5143\u7d20\u7d22\u5f15\n\tint min;\n\tfor (int i = 0; i < len - 1; ++i)\n\t{\n\t\t\/\/\u6700\u5c0f\u5143\u7d20\u9996\u5148\u7b49\u4e8e\u5f53\u524d\u5143\u7d20\uff0c\uff08\u7d22\u5f15\uff09\n\t\tmin = i;\n\t\tfor (int j = i+1; j < len; ++j)\n\t\t{\n\t\t\tif (arr[j] < arr[min])\n\t\t\t{\n\t\t\t\tmin = j;\n\t\t\t}\n\t\t}\n\t\tswap(arr[i], arr[min]);\n\t}\n}<\/pre>\n\n\n
      \n
    • \u5916\u5c42\u5faa\u73af i \u7684\u503c\u8868\u793a\u5f53\u524d\u4e71\u5e8f\u5e8f\u5217\u9996\u4f4d\u5143\u7d20\u7684\u4e0b\u6807\uff0c\u5728\u9009\u51fa\u4e71\u5e8f\u5e8f\u5217\u4e2d\u7684\u6700\u5c0f\u503c\u540e\uff0c\u8981\u5c06\u6700\u5c0f\u503c\u653e\u5230 i \u7684\u4f4d\u7f6e<\/span><\/li>\n
    • 1\u4e2a\u6570\u4e0d\u80fd\u6bd4\u8f83\u5927\u5c0f\uff0c\u56e0\u6b64\u6211\u4eec\u5c06 min \u521d\u59cb\u5316\u4e3a i \uff0c\u5c06\u5b83\u4e0e\u5176\u540e\u9762\u7684\u5143\u7d20\u6bd4\u8f83\uff1b\u56e0\u6b64\u5185\u5c42\u5faa\u73af j \u7684\u521d\u59cb\u503c\u4e3a i + 1<\/span><\/li>\n
    • \u56e0\u4e3a j \u7684\u521d\u59cb\u503c\u4e3a i + 1 \uff0c\u4e3a\u4e86\u9632\u6b62\u6570\u7ec4\u8d8a\u754c\uff0c\u5916\u5c42\u5faa\u73af\u8df3\u51fa\u6761\u4ef6\u8981\u591a\u51cf1<\/span><\/li>\n<\/ul>\n\n\n
      \n\n\n
      \u63d2\u5165\u6392\u5e8f<\/span><\/h1>\n
      \u548c\u9009\u62e9\u6392\u5e8f\u4e00\u6837\uff0c\u6211\u4eec\u5c06\u6570\u7ec4\u524d\u9762\u90e8\u5206\u6392\u597d\u5e8f\u7684\u79f0\u4e3a\u6709\u5e8f\u5e8f\u5217\uff0c\u53f3\u9762\u90e8\u5206\u4e71\u5e8f\u7684\u79f0\u4e3a\u4e71\u5e8f\u5e8f\u5217\u3002<\/span>
      \u521d\u59cb\u65f6\u6709\u5e8f\u5e8f\u5217\u67091\u4e2a\u5143\u7d20\uff0c\u5373\u6570\u7ec4\u7684\u7b2c\u4e00\u4f4d\u5143\u7d20\uff0c\u5176\u4f59\u7684\u4e3a\u4e71\u5e8f\u5e8f\u5217\u3002<\/span><\/p>\n
      \u5982\u679c\u5c06\u9009\u62e9\u6392\u5e8f\u770b\u4f5c\u662f\u201c\u9009\u62e9\u5408\u9002\u5143\u7d20\u653e\u5165\u6307\u5b9a\u4f4d\u7f6e\u201d\uff0c\u90a3\u4e48\u63d2\u5165\u6392\u5e8f\u5c31\u662f\u201c\u9009\u62e9\u5408\u9002\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u201d\u3002<\/span>
      \u904d\u5386 n \u6b21\u6570\u7ec4\uff08 n \u4e3a\u4e71\u5e8f\u5e8f\u5217\u5143\u7d20\u4e2a\u6570\uff09\uff0c\u6bcf\u6b21\u904d\u5386\u6574\u4e2a\u6709\u5e8f\u5e8f\u5217\uff1b\u5c06\u4e71\u5e8f\u5e8f\u5217\u7b2c\u4e00\u4e2a\u5143\u7d20\u653e\u8fdb\u6709\u5e8f\u5e8f\u5217\uff0c\u5e76\u4e14\u6709\u5e8f\u5e8f\u5217\u4ecd\u4e3a\u6709\u5e8f\u3002<\/span><\/p>\n\n\n
      \"\"<\/div><\/figure>\n\n\n\n
      void InsertSort(int arr[], int len)\n{\n\tfor (int i = 1; i < len; ++i)\n\t{\n\t\tint j;\n\t\tint temp = arr[i];\n\t\tfor (j = i-1; j>=0; --j)\n\t\t{\n\t\t\tif (arr[j] > temp)\n\t\t\t{\n\t\t\t\tarr[j + 1] = arr[j];\n\t\t\t}\n\t\t\telse\n\t\t\t\tbreak;\n\t\t}\n\t\t\/\/\u8df3\u51fa\u540e\uff0cj+1\u6307\u5411\u7684\u662ftemp\u8981\u63d2\u5165\u7684\u4f4d\u7f6e\n\t\tarr[j + 1] = temp;\n\t}\n}<\/pre>\n\n\n
        \n
      • \u5916\u5c42\u5faa\u73af\u4ece\u4e71\u5e8f\u5e8f\u5217\u7b2c\u4e00\u4f4d\u5f00\u59cb\u5411\u540e\u904d\u5386\uff0c\u56e0\u6b64 i = 1\uff1bi < len<\/li>\n
      • \u5185\u5c42\u5faa\u73af\u4ece\u6709\u5e8f\u5e8f\u5217\u6700\u540e\u4e00\u4f4d\u5f00\u59cb\u5411\u524d\u904d\u5386\uff0c\u56e0\u6b64 j =  i – 1\uff1bj >= 0<\/li>\n
      • a[i] \u53d8\u91cf\u4e3a\u6211\u4eec\u8981\u63d2\u5165\u7684\u5143\u7d20\uff0c\u4e3a\u4e86\u9632\u6b62\u5185\u5c42\u5faa\u73af\u5c06\u5b83\u8986\u76d6\uff0c\u6211\u4eec\u7528 temp \u6682\u65f6\u5b58\u50a8<\/li>\n
      • \u5f53 j \u6307\u5411\u7684\u5143\u7d20\u5927\u4e8e temp\u7684\u503c\u65f6\uff0c\u6211\u4eec\u5c06 j \u6307\u5411\u7684\u5143\u7d20\u5411\u540e\u79fb\u52a8\u4e00\u683c\uff0c\u8ba9\u51fa\u63d2\u5165\u4f4d\u7f6e\uff1b\u5426\u5219\u8bf4\u660e\u5f53\u524d j \u7684\u4f4d\u7f6e\u5c31\u662f\u8981\u63d2\u5165\u7684\u4f4d\u7f6e\uff0c\u56e0\u6b64\u6267\u884c break \u8bed\u53e5<\/li>\n
      • \u56e0\u4e3a\u6267\u884c break \u8bed\u53e5\u4e4b\u524d\uff0c\u6267\u884c\u8fc7 j– \u8bed\u53e5\uff0c\u56e0\u6b64\u8df3\u51fa\u5185\u5c42\u5faa\u73af\u540e\uff0c\u771f\u6b63\u7684\u63d2\u5165\u4f4d\u7f6e\u4e3a j + 1\uff1b\uff08\u6216\u8005\u53ef\u4ee5\u7406\u89e3\u4e3a\uff0c\u63d2\u5165\u4f4d\u7f6e\u4e3a\u5f53\u524d\u904d\u5386\u5230\u7684\u6709\u5e8f\u5e8f\u5217\u5143\u7d20\u7684\u540e\u9762\u4e00\u4e2a\u4f4d\u7f6e\uff09<\/li>\n<\/ul>\n\n\n
        \n\n\n
        \u5feb\u901f\u6392\u5e8f<\/span><\/h1>\n
        \u5feb\u901f\u6392\u5e8f\uff0c\u5305\u62ec\u540e\u9762\u7684\u5f52\u5e76\u6392\u5e8f\u65f6\u5206\u6cbb\u601d\u60f3\u7684\u7ecf\u5178\u4f8b\u5b50\u3002<\/span>
        \u5feb\u901f\u6392\u5e8f\u4e2d\uff0c\u5c06\u6570\u7ec4\u5212\u5206\u548c\u7b97\u6cd5\u5206\u5f00\uff0c\u4e0d\u8bba\u662f\u4ece\u7a0b\u5e8f\u8bbe\u8ba1\u7684\u89d2\u5ea6\u8fd8\u662f\u589e\u5f3a\u4ee3\u7801\u53ef\u8bfb\u6027\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u5b83\u7684\u7cbe\u5999\u4e4b\u5904\u503c\u5f97\u53cd\u590d\u54c1\u5473\u3002<\/span><\/p>\n
        \u5feb\u901f\u6392\u5e8f\uff0c\u521d\u59cb\u65f6\u6574\u4e2a\u6570\u7ec4\u90fd\u662f\u4e71\u5e8f\u7684\uff0c\u8fd9\u65f6\u6211\u4eec\u8fd0\u7528\u4e00\u4e2a\u201c\u7b97\u6cd5\u201d\uff0c\u5c06\u6570\u7ec4\u91cd\u65b0\u6392\u5217\u6210\u5982 [ \u6bd4\u4e2d\u95f4\u503c\u5c0f\u7684\u5e8f\u5217 – \u4e2d\u95f4\u503c – \u6bd4\u4e2d\u95f4\u503c\u5927\u7684\u5e8f\u5217]<\/span> \u7684\u6837\u5b50\uff1b\u5176\u4e2d\u524d\u540e\u5b50\u5e8f\u5217\u53ef\u4ee5\u662f\u4e71\u5e8f\u7684\uff08\u4e00\u822c\u603b\u662f\u4e71\u5e8f\u7684\uff09\u3002<\/span><\/p>\n
        \u90a3\u4e48\u90a3\u4e2a\u201c\u7b97\u6cd5\u201d\u662f\u4ec0\u4e48\u5462\uff1f\u5f88\u7b80\u5355\uff0c\u9009\u51fa\u4e00\u4e2a\u4e3b\u5143\u4f5c\u4e3a\u4e2d\u95f4\u503c\uff08\u4e00\u822c\u9009\u62e9\u6570\u7ec4\u7b2c\u4e00\u4f4d\u5143\u7d20\u4e3a\u4e3b\u5143\uff09\uff0c\u7136\u540e\u904d\u5386\u6570\u7ec4\uff0c\u5c06\u6bd4\u4e3b\u5143\u5c0f\u7684\u6570\u653e\u5728\u5b83\u7684\u5de6\u8fb9\uff0c\u5c06\u6bd4\u4e3b\u5143\u5927\u7684\uff08\u6216\u6bd4\u7b49\u4e8e\u4e3b\u5143\uff09\u6570\u653e\u5728\u5b83\u7684\u53f3\u8fb9\uff1b\u7136\u540e\u5bf9\u5de6\u53f3\u4e24\u4e2a\u5e8f\u5217\u518d\u6b21\u6267\u884c\u8be5\u7b97\u6cd5\uff0c\u76f4\u5230\u5b50\u5e8f\u5217\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u65f6\u8df3\u51fa\u3002<\/span><\/p>\n
        \u4e0b\u56fe\u4e2d\uff0c\u9ec4\u8272\u7684\u5143\u7d20\u4e3a\u4e3b\u5143\uff0c\u7ea2\u8272\u4e3a\u6bd4\u4e3b\u5143\u5c0f\u7684\u5143\u7d20\uff0c\u7d2b\u8272\u4e3a\u6bd4\u4e3b\u5143\u5927\u7684\u5143\u7d20\u3002<\/p>\n\n\n
        \"\"<\/div><\/figure>\n\n\n\n
        void QuickSort(int arr[], int l, int r)\n{\n\tif (l < r)\n\t{\n\t\tint m = QuickSortPartition(arr, l, r);\n\t\tQuickSort(arr, l, m - 1);\n\t\tQuickSort(arr, m + 1, r);\n\t}\n}\n\nint QuickSortPartition(int arr[], int l, int r)\n{\n\tint swapIndex = l;\/\/\u7528\u4e8e\u4ea4\u6362\u5143\u7d20\n\tint x = arr[l];\/\/\u4e3b\u5143\n\tfor (int i = l + 1; i <= r; ++i)\/\/\u6ce8\u610fi\u7684\u521d\u503c\u4e0d\u8981\u8bbe\u7f6e\u62100\u548c\u4e0a\u8fb9\u754c\n\t{\n\t\tif (arr[i] < x)\n\t\t{\n\t\t\tswap(arr[i], arr[swapIndex + 1]);\n\t\t\tswapIndex++;\n\t\t}\n\t}\n\t\/\/\u8df3\u51fa\u5faa\u73af\u540e\uff0cswapIndex\u6307\u5411\u7684\u662f\u5de6\u5e8f\u5217\u6700\u540e\u4e00\u4f4d\u5143\u7d20\n\tswap(arr[l], arr[swapIndex]);\n\t\/\/\u4ea4\u6362\u540e\uff0cswapIndex\u6307\u5411\u7684\u662f\u4e3b\u5143\n\t\/\/\u6b64\u65f6\uff0c\u4e3b\u5143\u5de6\u8fb9\u7684\u5143\u7d20\u90fd\u5c0f\u4e8e\u5b83\uff0c\u53f3\u8fb9\u7684\u5143\u7d20\u90fd\u5927\u4e8e\u7b49\u4e8e\u5b83\n\treturn swapIndex;\n}<\/pre>\n\n\n
          \n
        • QuickSort\u4e3a\u5916\u90e8\u8c03\u7528\u7684\u51fd\u6570\uff0c\u5b83\u8c03\u7528\u201c\u7b97\u6cd5\u201d\uff0c\u5e76\u5bf9\u6570\u7ec4\u8fdb\u884c\u5212\u5206<\/span><\/li>\n
        • QuickSortPartition\u4e3a\u201c\u7b97\u6cd5\u201d\u90e8\u5206\uff0c\u5c06\u5212\u5206\u597d\u7684\u6570\u7ec4\u6392\u5217\u6210 \u5c0f – \u4e2d – \u5927 \u7684\u6837\u5b50\uff0c\u5e76\u8fd4\u56de\u4e3b\u5143\u7684\u7d22\u5f15\u503c\uff0c\u8ba9QuickSort\u51fd\u6570\u6839\u636e\u4e3b\u5143\u7d22\u5f15\u503c\u6765\u5212\u5206\u6570\u7ec4<\/span><\/li>\n
        • \u6ce8\u610f\uff0c\u4e24\u4e2a\u51fd\u6570\u7684\u7684\u53c2\u6570\u5217\u8868\u4e2d\uff0cl \u548c r \u5206\u522b\u8868\u793a\u6570\u7ec4\u7684\u5de6\u53f3\u8303\u56f4\u7d22\u5f15\uff0cr \u4e0d\u662f\u6570\u7ec4\u5143\u7d20\u4e2a\u6570<\/span><\/li>\n<\/ul>\n\n\n
          \n\n\n
          \u5f52\u5e76\u6392\u5e8f<\/span><\/h1>\n
          \u5728\u4ee3\u7801\u7ed3\u6784\u4e0a\u5f52\u5e76\u6392\u5e8f\u4e0e\u5feb\u901f\u6392\u5e8f\u6bd4\u8f83\u7c7b\u4f3c\uff0c\u4f46\u5b83\u4eec\u7684\u6838\u5fc3\u601d\u8def\u4e0d\u592a\u4e00\u6837\u2014\u2014<\/span>
          \u5feb\u901f\u6392\u5e8f\u662f\u4ece\u5b8c\u6574\u7684\u6570\u7ec4\u5f00\u59cb\u6267\u884c\u201c\u7b97\u6cd5\u201d\uff0c\u7136\u540e\u5212\u5206\u51fa\u5b50\u5e8f\u5217\u518d\u6267\u884c\u201c\u7b97\u6cd5\u201d\uff0c\u662f\u4ece\u6574\u4f53\u5230\u5c40\u90e8\u7684\u8def\u7ebf\uff1b<\/span>
          \u4f46\u5f52\u5e76\u6392\u5e8f\u662f\u4e00\u5f00\u59cb\u5c31\u5411\u4e0b\u5212\u5206\u5230\u6700\u5c0f\u5e8f\u5217A\uff08\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\uff09\uff0c\u5e76\u5c06\u5e8f\u5217A1\u548cA2\u6392\u597d\u5e8f\uff0c\u7ec4\u5408\u6210\u65b0\u7684\u5e8f\u5217\uff0c\u7136\u540e\u518d\u56de\u5230\u6bd4\u521a\u624d\u5e8f\u5217\u5927\u4e00\u7ea7\u7684\u5e8f\u5217B\u4e2d\uff0c\u5e76\u5c06B1\u548cB2\u4e5f\u6392\u597d\u5e8f\u7ec4\u5408\u6210\u65b0\u5e8f\u5217\uff0c\u91cd\u590d\u6267\u884c\u8be5\u6b65\u9aa4\uff0c\u76f4\u5230\u6574\u4e2a\u6570\u7ec4\u90fd\u6392\u597d\u5e8f\u3002\u56e0\u6b64\u5f52\u5e76\u6392\u5e8f\u4f53\u73b0\u7684\u662f\u4ece\u5c40\u90e8\u5230\u6574\u4f53\u7684\u8def\u7ebf\u3002<\/span><\/p>\n
          \u90a3\u4e48\u5982\u4f55\u5b9e\u73b0\u4e00\u5f00\u59cb\u5411\u4e0b\u5212\u5206\uff0c\u7136\u540e\u53c8\u539f\u8def\u8fd4\u56de\u7684\u529f\u80fd\u5462\uff1f\u7528\u9012\u5f52\uff01\u8fd9\u4e5f\u662f\u5f52\u5e76\u6392\u5e8f\u540d\u5b57\u7684\u7531\u6765\u2014\u2014\u9012\u5f52\u4e0b\u53bb\uff0c\u5408\u5e76\u4e0a\u6765\u3002<\/span><\/p>\n\n\n
          \"\"<\/div><\/figure>\n\n\n
          \u4ece\u4e0a\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5f52\u5e76\u6392\u5e8f\u9700\u8981\u4e00\u4e2a\u989d\u5916\u7684\u4e34\u65f6\u6570\u7ec4\uff08\u56fe\u7684\u4e0b\u534a\u90e8\u5206\uff09\uff0c\u7528\u4e8e\u5c06\u4e24\u4e2a\u5e8f\u5217\u5408\u5e76\u8d77\u6765\uff0c\u518d\u5c06\u4e34\u65f6\u6570\u7ec4\u7684\u5143\u7d20\u8d4b\u7ed9\u539f\u6570\u7ec4\u3002<\/span><\/p>\n
          \u8fd9\u5c06\u591a\u82b1\u8d39 O(n) \u7684\u7a7a\u95f4\u590d\u6742\u5ea6\uff0c\u6bd4\u5feb\u901f\u6392\u5e8f\u7684 O(log\u2082n) \u8981\u5dee\u4e00\u4e9b\uff1b\u4f46\u6bd4\u5feb\u901f\u6392\u5e8f\u4f18\u79c0\u4e00\u70b9\u7684\u662f\uff0c\u5f52\u5e76\u6392\u5e8f\u4e0d\u4f1a\u51fa\u73b0\u65f6\u95f4\u590d\u6742\u5ea6\u6700\u5dee\u4e3a O(n\u00b2) \u7684\u60c5\u51b5\uff0c\u5b83\u7684\u5e73\u5747\u65f6\u95f4\u6027\u80fd\u8981\u597d\u4e8e\u5feb\u901f\u6392\u5e8f\u3002<\/span><\/p>\n\n\n
          void MergeSort(int arr[], int l, int r, int temp[])\n{\n\tif (l < r)\n\t{\n\t\tint m = (l + r) \/ 2;\n\t\tMergeSort(arr, l, m, temp);\n\t\tMergeSort(arr, m + 1, r, temp);\n\t\tMergePartition(arr, l, r, m, temp);\n\t}\n}\n\nvoid MergePartition(int arr[], int l, int r, int m, int temp[])\n{\n\t\/\/\u5de6\u53f3\u5e8f\u5217\u6307\u9488\n\tint i = l, j = m + 1;\n\t\/\/temp\u6570\u7ec4\u6307\u9488\n\tint t = 0;\n\t\/\/\u5728\u5de6\u53f3\u5e8f\u5217\u4e2d\uff0c\u5c06\u5f53\u524d\u6307\u9488\u6307\u5411\u7684\u8f83\u5c0f\u5143\u7d20\u653e\u8fdbtemp\u6570\u7ec4\n\twhile (i <= m && j <= r)\n\t{\n\t\tif (arr[i] < arr[j])\n\t\t{\n\t\t\ttemp[t++] = arr[i++];\n\t\t}\n\t\telse\n\t\t{\n\t\t\ttemp[t++] = arr[j++];\n\t\t}\n\t}\n\t\/\/\u51fa\u6765\u540e\uff0c\u5c06\u53ef\u80fd\u5269\u4e0b\u7684\u5143\u7d20\u5168\u90e8\u653e\u8fdbtemp\u6570\u7ec4\n\twhile (i <= m)\n\t{\n\t\ttemp[t++] = arr[i++];\n\t}\n\twhile (j<=r)\n\t{\n\t\ttemp[t++] = arr[j++];\n\t}\n\n\t\/\/\u5c06temp\u6570\u7ec4\u7684\u5143\u7d20\u8a8a\u5230arr\u6570\u7ec4\u91cc\n\tt = 0;\n\twhile (l <= r)\n\t{\n\t\tarr[l++] = temp[t++];\n\t}\n}<\/pre>\n\n\n
            \n
          • \u5916\u90e8\u8c03\u7528\u7684\u662fMergeSort\u51fd\u6570\uff0c\u5b9e\u73b0\u5212\u5206\u5e8f\u5217\u548c\u8c03\u7528MergeSortPartition\u6765\u6267\u884c\u201c\u7b97\u6cd5\u201d\u3002\u4ece\u8fd9\u91cc\u5c31\u80fd\u770b\u51fa\u4e0e\u5feb\u901f\u6392\u5e8f\u7684\u533a\u522b\u2014\u2014\u5f52\u5e76\u6392\u5e8f\u5148\u5212\u5206\uff0c\u518d\u6267\u884c\u7b97\u6cd5\uff0c\u800c\u5feb\u901f\u6392\u5e8f\u662f\u53cd\u8fc7\u6765\u7684<\/span><\/li>\n
          • \u4e24\u4e2a\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u4e2d\u7684 l \u548c r \u4e0e\u5feb\u901f\u6392\u5e8f\u4e2d\u7684\u4e00\u6837\uff0c\u90fd\u662f\uff08\u5b50\uff09\u6570\u7ec4\u7684\u5de6\u53f3\u7d22\u5f15<\/span><\/li>\n<\/ul>\n\n\n
            \n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-831","post","type-post","status-publish","format-standard","hentry","category-cpp"],"_links":{"self":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/comments?post=831"}],"version-history":[{"count":46,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/831\/revisions"}],"predecessor-version":[{"id":931,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/posts\/831\/revisions\/931"}],"wp:attachment":[{"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/media?parent=831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/categories?post=831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/summid.icu\/index.php\/wp-json\/wp\/v2\/tags?post=831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}