给我一个快速排序的c语言代码
时间: 2023-05-19 21:06:18 浏览: 40
以下是快速排序的C语言代码:
```
#include <stdio.h>
void quick_sort(int arr[], int left, int right) {
int i, j, pivot, temp;
if (left < right) {
pivot = left;
i = left;
j = right;
while (i < j) {
while (arr[i] <= arr[pivot] && i < right)
i++;
while (arr[j] > arr[pivot])
j--;
if (i < j) {
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
temp = arr[pivot];
arr[pivot] = arr[j];
arr[j] = temp;
quick_sort(arr, left, j - 1);
quick_sort(arr, j + 1, right);
}
}
int main() {
int arr[] = {5, 2, 8, 3, 1, 6, 9, 7, 4};
int n = sizeof(arr) / sizeof(arr[0]);
int i;
printf("Original array: ");
for (i = 0; i < n; i++)
printf("%d ", arr[i]);
quick_sort(arr, 0, n - 1);
printf("\nSorted array: ");
for (i = 0; i < n; i++)
printf("%d ", arr[i]);
return 0;
}
```