编辑代码

#include <stdio.h>
int main () {
    
    int i;
    int numList[] = {5,6,7,1,2,4,3,9}; 
    int listLen = sizeof(numList)/sizeof(numList[0]); 
    printf("before bubbleSort:");
    printArr(numList,listLen);

    bubbleSort(numList,listLen);
    printf("\n");
    printf("after bubbleSort:");
    printArr(numList,listLen);
    
	return 0;
} 


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

}

int printArr(int arr[], int n)
{
    int i;
    for(i=0;i<n;i++)
    {
        printf("%d ",arr[i]);
    }
    return 0;
}