请用C语言实现冒泡排序
时间: 2023-10-19 08:07:48 浏览: 14
以下是C语言实现冒泡排序的代码:
```c
#include <stdio.h>
void bubble_sort(int arr[], int n)
{
int i, j, temp;
for (i = 0; i < n-1; i++) {
for (j = 0; j < n-i-1; j++) {
if (arr[j] > arr[j+1]) {
temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
}
int main()
{
int arr[] = {5, 2, 8, 4, 7, 1, 3, 9, 6};
int n = sizeof(arr)/sizeof(arr[0]);
int i;
printf("Before sorting:\n");
for (i = 0; i < n; i++) {
printf("%d ", arr[i]);
}
bubble_sort(arr, n);
printf("\nAfter sorting:\n");
for (i = 0; i < n; i++) {
printf("%d ", arr[i]);
}
return 0;
}
```
输出:
```
Before sorting:
5 2 8 4 7 1 3 9 6
After sorting:
1 2 3 4 5 6 7 8 9
```