快排测试程序

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
void printfArray(int *array,int arraySize)
{
    printf("
Print Array start--------------
");
    for(int i =0;i<arraySize;i++)
    {
        printf("%d  ",*(array+i));
    }
    
    printf("
Print Array  end --------------
");
    
}
int partition(int *array,int p,int r)
{
    int partElement = *(array+r);
    int lastSmallerIndex = p-1;
    for(int j = p;j<=r-1;j++)
    {
        if(*(array+j)<=partElement )
        {
            lastSmallerIndex++;
            int temp = *(array+lastSmallerIndex);
            *(array+lastSmallerIndex) = *(array+j);
            *(array+j) = temp;
        }
    }
    
    *(array+r) = *(array+lastSmallerIndex+1);
    *(array+lastSmallerIndex+1) = partElement;
    
    return (lastSmallerIndex+1);
    
}
void quickSort(int *array,int p,int r)
{
    if(p<r){
        int q = partition(array,p,r);
        quickSort(array,p,q-1);
        quickSort(array,q+1,r);
        
    }
}



void   test(){
    int  testArray[ ] = {6,4,7,3,2,7,9,10};
    int length = sizeof(testArray)/sizeof(int);
    printfArray(testArray,length);
    
    quickSort(testArray,0,length-1);
    
    printfArray(testArray,length);
   
}

int main()
{
        test( );

}