{"id":3797,"date":"2012-03-15T21:27:36","date_gmt":"2012-03-15T13:27:36","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=3797"},"modified":"2012-03-30T21:55:37","modified_gmt":"2012-03-30T13:55:37","slug":"3797","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/3797","title":{"rendered":"\u63d2\u5165\u7c7b\u6392\u5e8f"},"content":{"rendered":"

\u63d2\u5165\u7c7b\u6392\u5e8f\u7684\u57fa\u672c\u601d\u8def\u662f\u5728\u4e00\u4e2a\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u5b50\u8bb0\u5f55\u4e0a\uff0c\u6bcf\u4e00\u6b65\u5c06\u4e0b\u4e00\u4e2a\u5f85\u6392\u5e8f\u7684\u8bb0\u5f55\u63d2\u5165\u5230\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u8bb0\u5f55\u5b50\u96c6\u4e2d\uff0c\u76f4\u5230\u5c06\u6240\u6709\u5f85\u6392\u5e8f\u8bb0\u5f55\u5168\u90e8\u63d2\u5165\u4e3a\u6b62\u3002<\/p>\n

1.\u76f4\u63a5\u63d2\u5165\u6392\u5e8f<\/h3>\n

\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\u662f\u6700\u57fa\u672c\u7684\u63d2\u5165\u6392\u5e8f\u7b97\u6cd5\uff0c\u5b83\u7684\u4e00\u8d9f\u64cd\u4f5c\u662f\u5c06\u7b2ci\u4e2a\u8bb0\u5f55\u63d2\u5165\u5230\u524d\u9762i-1\u4e2a\u5df2\u7ecf\u6392\u597d\u5e8f\u7684\u8bb0\u5f55\u4e2d\uff0c\u5728\u67e5\u627e\u8bb0\u5f55i\u7684\u63d2\u5165\u4f4d\u7f6e\u65f6\uff0c\u4e5f\u5728\u8fdb\u884c\u5143\u7d20\u7684\u79fb\u52a8\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u5f85\u6392\u5e8f\u961f\u5217r[1,length]\uff0c\u5219\u6574\u4e2a\u6392\u5e8f\u8fc7\u7a0b\u9700\u8981n-1\u6b21\u8d9f\u3002\u76f4\u63a5\u63d2\u5165\u7b97\u6cd5\u7684\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n

\r\nvoid insSort(int *r, int length)\r\n{\r\n\tint i, j;\r\n\r\n\tprintf("Sorting:\\n");\r\n\tfor ( i = 2; i <= length; i++) {\r\n\t\tr[0] = r[i];\r\n\t\tj = i - 1;\r\n\r\n\t\twhile (r[0] < r[j]) {\r\n\t\t\tr[j + 1] = r[j];\r\n\t\t\tj--;\r\n\t\t}\r\n\r\n\t\tr[j + 1] = r[0];\r\n\r\n\t\toutput(r, length);\r\n\t}\r\n}\r\n<\/pre>\n
\u5177\u4f53\u5b9e\u73b0\u65f6\uff0c\u7528\u4e00\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u5f85\u6392\u5e8f\u7684\u5e8f\u5217\uff0c\u5176\u4e2d0\u53f7\u5143\u7d20\u5907\u4efd\u5f85\u63d2\u5165\u7684\u8bb0\u5f55\u3002<\/p>\n
2.\u6298\u534a\u63d2\u5165\u6392\u5e8f<\/h3>\n
\u6298\u534a\u63d2\u5165\u6392\u5e8f\u6cd5\u4e0e\u76f4\u63a5\u63d2\u5165\u6cd5\u7c7b\u4f3c\uff0c\u533a\u522b\u5728\u4e8e\u786e\u5b9a\u5143\u7d20i\u63d2\u5165\u7684\u4f4d\u7f6e\u65f6\u5229\u7528\u6298\u534a\u67e5\u627e\u6cd5\u3002\u6bcf\u4e00\u8d9f\u6392\u5e8f\u7684\u8fc7\u7a0b\u662f\u5148\u7528\u6298\u534a\u67e5\u627e\u6cd5\u786e\u5b9a\u63d2\u5165\u4f4d\u7f6e\uff0c\u518d\u9010\u4e2a\u8fdb\u884c\u5143\u7d20\u7684\u79fb\u52a8\u3002<\/p>\n
\r\nvoid binSort(int *r, int length)\r\n{\r\n\tint i, j;\r\n\tint low ,high, mid;\r\n\r\n\tprintf("Sorting:\\n");\r\n\tfor ( i = 2; i <= length; i++) {\r\n\t\tr[0] = r[i];\r\n\t\tlow = 1;\r\n\t\thigh = i - 1;\r\n\r\n\t\twhile (low <= high) {\r\n\t\t\tmid = (low + high) \/ 2;\r\n\t\t\tif (r[0] < r[mid])\r\n\t\t\t\thigh = mid - 1;\r\n\t\t\telse\r\n\t\t\t\tlow = mid + 1;\r\n\t\t}\r\n\r\n\t\tfor (j = i - 1; j >= low; j--) \r\n\t\t\tr[j + 1] = r[j];\r\n\t\tr[high + 1] = r[0];\r\n\t\toutput(r, length);\r\n\r\n\t}\r\n}\r\n<\/pre>\n
\u4e0e\u76f4\u63a5\u63d2\u5165\u6cd5\u7c7b\u4f3c\uff0c\u6570\u7ec4r\u4e2d\u76840\u53f7\u5143\u7d20\u4e5f\u5907\u4efd\u4e86\u5f85\u63d2\u5165\u7684\u5143\u7d20i\u3002\u5f53\u786e\u5b9a\u4e86\u8bb0\u5f55i\u7684\u4f4d\u7f6e\u65f6\uff0c\u6b64\u65f6\u5b58\u5728low=high+1\u8fd9\u6837\u7684\u5173\u7cfb\uff0c\u63a5\u4e0b\u6765\u5c06low\u5230i-1\u4e4b\u95f4\u7684\u5143\u7d20\u90fd\u540e\u79fb\u4e00\u4f4d\uff0c\u6700\u7ec8\u8bb0\u5f55i\u521a\u597d\u63d2\u5165\u7a7a\u51fa\u6765\u7684\u4f4d\u7f6e\u4e2d\u3002<\/p>\n
3.\u5e0c\u5c14\u6392\u5e8f<\/h3>\n
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\r\nvoid shellSort(int *r, int length, int *delta, int n)\r\n{\r\n\tint i;\r\n\tfor ( i = 0; i < n; i++) {\r\n\t\tshellInsert(r, length, delta[i]);\r\n\t}\r\n}\r\n<\/pre>\n
\u7b2ci\u8d9f\u5e0c\u5c14\u6392\u5e8f\u4e2d\uff0c\u6bcf\u4e2a\u7a00\u758f\u5b50\u5e8f\u5217\u4e2d\u5143\u7d20\u7684\u95f4\u9694\u7531delta[i]\u51b3\u5b9a\u3002\u4f46\u5e0c\u5c14\u7b97\u6cd5\u7684\u6700\u540e\u4e00\u8d9f\u6392\u5e8f\uff0c\u5143\u7d20\u7684\u95f4\u9694\u5fc5\u9700\u662f1\u3002\u56e0\u4e3a\u6700\u540e\u4e00\u6b21\u5e0c\u5c14\u6392\u5e8f\u5c31\u76f8\u5f53\u4e8e\u76f4\u63a5\u63d2\u5165\u6392\u5e8f\uff0c\u4f46\u662f\u6b64\u65f6\u6574\u4e2a\u8bb0\u5f55\u5e8f\u5217\u5df2\u7ecf\u51e0\u4e4e\u6709\u5e8f\uff0c\u56e0\u6b64\u79fb\u52a8\u7684\u6b21\u6570\u4f1a\u5927\u5927\u51cf\u5c11\u3002<\/p>\n
\r\nvoid shellInsert(int *r, int length, int d)\r\n{\r\n\tint i, j;\r\n\tint k;\r\n\t\r\n\tfor (i = 1 + d; i <= length; i++) {\r\n\t\tif (r[i] < r[i - d]) {\r\n\t\t\tr[0] = r[i];\r\n\t\t\t\r\n\t\t\tfor (j = i - d; j > 0 && r[0] < r[j]; j -= d) {\r\n\t\t\t\tr[j + d] = r[j];\r\n\t\t\t}\r\n\t\t\tr[j + d] = r[0];\r\n\t\t}\r\n\t}\r\n\toutput(r, length);\r\n}<\/pre>\n
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