c语言快速排序算法代码

#include <stdio.h>
void print(int arr[], int length)
{
    for(int i = 0; i < length; i++)
    {
        printf("%d ",arr[i]);
    }
    printf("\n");
}

void Qsort(int arr[], int low, int high)
{
    if(low>=high)
        return ;
    int key = arr[low];
    int i=low;
    int j=high;
    while(i<j)
    {
        // 从右边往左边找第一个小于key的
        while(i<j)
        {
            if(arr[j] < key)
            {
                arr[i] = arr[j];
                break;
            }
            j--;
        }
        //print(arr,high-low+1);
        //从左边往右边找第一个大于key的
        while(i<j) {
            if (arr[i] > key) {
                arr[j] = arr[i];
                break;
            }
            i++;
        }
        //print(arr,high-low+1);
    }
    arr[i] = key;
    //print(arr,high-low+1);
    Qsort(arr, low, i-1);
    Qsort(arr,i+1, high);

}



int main()
{
    int a[10] = {72,6,57,88,60,42,83,73,48,85};
    print(a,10);
    Qsort(a, 0, 9);
    print(a,10);
    return 0;
}