写个C语言--不同类型的排序

以下是C语言实现不同类型的排序的示例代码：

冒泡排序（Bubble Sort）

void bubbleSort(int arr[], int n) { int i, j; for (i = 0; i < n-1; i++) { for (j = 0; j < n-i-1; j++) { if (arr[j] > arr[j+1]) { int temp = arr[j]; arr[j] = arr[j+1]; arr[j+1] = temp; } } } }

选择排序（Selection Sort）

void selectionSort(int arr[], int n) { int i, j, min_idx; for (i = 0; i < n-1; i++) { min_idx = i; for (j = i+1; j < n; j++) { if (arr[j] < arr[min_idx]) { min_idx = j; } } int temp = arr[i]; arr[i] = arr[min_idx]; arr[min_idx] = temp; } }

插入排序（Insertion Sort）

void insertionSort(int arr[], int n) { int i, key, j; for (i = 1; i < n; i++) { key = arr[i]; j = i - 1; while (j >= 0 && arr[j] > key) { arr[j+1] = arr[j]; j--; } arr[j+1] = key; } }

快速排序（Quick Sort）

void quickSort(int arr[], int low, int high) { if (low < high) { int pivot = partition(arr, low, high); quickSort(arr, low, pivot-1); quickSort(arr, pivot+1, high); } }

int partition(int arr[], int low, int high) { int pivot = arr[high]; int i = low - 1; int j; for (j = low; j <= high-1; j++) { if (arr[j] <= pivot) { i++; int temp = arr[i]; arr[i] = arr[j]; arr[j] = temp; } } int temp = arr[i+1]; arr[i+1] = arr[high]; arr[high] = temp; return i+1; }

归并排序（Merge Sort）

void mergeSort(int arr[], int left, int right) { if (left < right) { int mid = (left + right) / 2; mergeSort(arr, left, mid); mergeSort(arr, mid+1, right); merge(arr, left, mid, right); } }

void merge(int arr[], int left, int mid, int right) { int i, j, k; int n1 = mid - left + 1; int n2 = right - mid; int L[n1], R[n2]; for (i = 0; i < n1; i++) { L[i] = arr[left + i]; } for (j = 0; j < n2; j++) { R[j] = arr[mid + 1 + j]; } i = 0; j = 0; k = left; while (i < n1 && j < n2) { if (L[i] <= R[j]) { arr[k] = L[i]; i++; } else { arr[k] = R[j]; j++; } k++; } while (i < n1) { arr[k] = L[i]; i++; k++; } while (j < n2) { arr[k] = R[j]; j++; k++; } }