Файл: Анпоо колледж воронежского института высоких технологий.docx
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| | { |
| | temp[k] = array[i]; |
| | i++; |
| | } |
| | else |
| | { |
| | temp[k] = array[j]; |
| | j++; |
| | } |
| | } |
| | int h; |
| | for (h = 0, i = beg; h < l; h++, i++) |
| | { |
| | array[i] = temp[h]; |
| | } |
| | } |
| | |
| | |
| | public static void MergeSort(int[] a, int first, int last) |
| | { |
| | if (first >= last) |
| | { |
| | return; |
| | } |
| | int mid = (first + last) / 2; |
| | MergeSort(a, first, mid); |
| | MergeSort(a, mid + 1, last); |
| | Merge(a, first, mid, last); |
| | } |
| | |
| | public static void Merge(int[] a, int first, int mid, int last) |
| | { |
| | int first1 = first; |
| | int last1 = mid; |
| | int first2 = mid + 1; |
| | int last2 = last; |
| | int[] temp = new int[a.Length]; |
| | int i = first1; |
| | for (; first1 <= last1 && first2 <= last2; i++) |
| | { |
| | if (a[first1] < a[first2]) |
| | { |
| | temp[i] = a[first1]; |
| | first1++; |
| | } |
| | else |
| | { |
| | temp[i] = a[first2]; |
| | first2++; |
| | } |
| | } |
| | for (; first1 <= last1; i++) |
| | { |
| | temp[i] = a[first1]; |
| | first1++; |
| | } |
| | for (; first2 <= last2; i++) |
| | { |
| | temp[i] = a[first2]; |
| | first2++; |
| | } |
| | for (int k = first; k <= last; k++) |
| | { |
| | a[k] = temp[k]; |
| | } |
| | } |
| | |
| | |
| | // 5.QuickSort |
| | |
| | public static void QuickSort(int[] a, int start, int end) |
| | { |
| | if (start >= end) |
| | { |
| | return; |
| | } |
| | int index = Part(a, start, end); |
| | QuickSort(a, 0, index - 1); |
| | QuickSort(a, index + 1, end); |
| | } |
| | |
| | private static int Part(int[] a, int start, int end) |
| | { |
| | int p = a[end]; // element |
| | int index = start; // kisman index |
| | for (int i = start; i < end; i++) |
| | { |
| | if (a[i] < p) |
| | { |
| | int t = a[i]; |
| | a[i] = a[index]; |
| | a[index] = t; |
| | index++; |
| | } |
| | } |
| | int temp = a[index]; |
| | a[index] = a[end]; |
| | a[end] = temp; |
| | return index; |
| | } |
| | |
| | // BinarySearch // |
| | |
| | public static void BinarySearch(int[] a) |
| | { |
| | for (int i = 0; i < a.Length; i++) |
| | { |
| | int begin = 0; |
| | int end = i - 1; |
| | int mid = end / 2; |
| | while (end >= begin) |
| | { |
| | if (a[i] == a[mid]) |
| | { |
| | break; |
| | } |
| | if (a[i] > a[mid]) |
| | { |
| | begin = mid + 1; |
| | } |
| | else |
| | { |
| | end = mid - 1; |
| | } |
| | mid = begin + (end - begin) / 2; |
| | } // while-ov gtav texy vory mid-n e, vorum piti texadrenq a[i]-n, mi mi hat araj tanq texadrenq |
| | int temp = a[i]; |
| | for (int k = i; k > mid; k--) |
| | { |
| | a[k] = a[k - 1]; |
| | } |
| | a[mid] = temp; |
| | } |
| | } |
| | |
| | } |
| | } |
