i = 1; i < arr.Length; i++) for (int j = 0; j < arr.Length - i; j++) { if (arr[j] > arr[j + 1]) { int tmp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = tmp; } } }
二分法查找: public int HalfSearch(int key, int[] arr) { int left = 0; int right = arr.Length - 1; while (left <= right) { int middle = (left + right) / 2; &n
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