#include <stdio.h>
int sum(int,int);
int main(void)
{
    int min,max;
    printf("Enter lower and upper integer limits:");
    scanf("%d%d",&min,&max);
    while (min!=max)
         {
             printf("The sums of the squares from %d to %d is %d\n",sum(min,max));
             printf("Enter lower and upper integer limits:");        
             scanf("%d%d",&min,&max);   
         }
         
    printf("Done");
    return 0;
}
int sum(int min,int max)
{
    int  x,y=0;
    for (x = min;x < max;x++)
        y+=x*x;
    return y;
} /*第九题，整了好久都没懂，那个函数怎么调用呐？*/

嗯嗯，非常感谢！

嗯嗯，谢谢！