{"id":3817,"date":"2012-03-17T22:07:12","date_gmt":"2012-03-17T14:07:12","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=3817"},"modified":"2013-03-03T16:35:38","modified_gmt":"2013-03-03T08:35:38","slug":"%e9%80%89%e6%8b%a9%e7%b1%bb%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/3817","title":{"rendered":"\u9009\u62e9\u7c7b\u6392\u5e8f"},"content":{"rendered":"

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1.\u7b80\u5355\u9009\u62e9\u6392\u5e8f<\/h3>\n

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\r\nvoid selectSort(int *r, int length)\r\n{\r\n\tint i, j, k, n;\r\n\r\n\tn = length;\r\n\r\n\tfor ( i = 1; i <= n - 1; i++) {\r\n\t\tk = i;\r\n\r\n\t\tfor ( j = i + 1; j <= n; j++)\r\n\t\t\tif (r[j] < r[k])\r\n\t\t\t\tk = j;\r\n\t\tif ( k != i) {\r\n\t\t\tr[0] = r[i];\r\n\t\t\tr[i] = r[k];\r\n\t\t\tr[k] = r[0];\r\n\t\t}\r\n\toutput(r, length);\r\n\t}\r\n}\r\n<\/pre>\n
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2.\u5806\u6392\u5e8f<\/h3>\n
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\r\nvoid heapSort(int *r, int length)\r\n{\r\n\tint i, n;\r\n\tint t;\r\n\r\n\tcreate_heap(r, length);\r\n\r\n\tn = length;\r\n\r\n\tfor ( i = n; i >= 2; i--) {\r\n\t\tt = r[1];\r\n\t\tr[1] = r[i];\r\n\t\tr[i]= t;\r\n\t\tadjust_heap(r, 1, i - 1);\r\n\t\toutput(r, length);\r\n\t}\r\n}\r\n<\/pre>\n
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\r\nvoid create_heap(int *r, int length)\r\n{\r\n\tint i, n;\r\n\r\n\tn = length;\r\n\r\n\tfor ( i = n \/ 2; i >= 1; i--)\r\n\t\tadjust_heap(r, i, n);\r\n}<\/pre>\n
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\r\nvoid adjust_heap(int *r, int k, int m)\r\n{\r\n\tint i, j, t;\r\n\tint finished;\r\n\r\n\tr[0] = r[k];\r\n\ti = k;\r\n\tj = 2 * i;\r\n\r\n\tfinished = 0;\r\n\r\n\twhile (j <= m && !finished) {\r\n\t\tif (j < m && r[j] < r[j + 1])\r\n\t\t\tj++;\r\n\t\tif (r[0] >= r[j])\r\n\t\t\tfinished = 1;\r\n\t\telse {\r\n\t\t\tr[i] = r[j];\r\n\t\t\ti = j;\r\n\t\t\tj = 2 * i;\r\n\t\t}\r\n\t}\r\n\r\n\tr[i] = r[0];\r\n}\r\n<\/pre>\n
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