zju 1152 A Mathematical Curiosity

代码：

 

#include<cstdio>
#include<cstdlib>
#include<cmath>
int main()
{
    int n,m,tcase,k,i,j,a,b,m_count;
    while(scanf("%d",&tcase)==1)
    {
        for(i=0;i<tcase;i++)
        {
            if(i)
                printf("\n");
            k=1;
            while(scanf("%d%d",&n,&m)&&(n||m))
            {
                m_count=0;
                for(a=1;a<n;a++)
                    for(b=a+1;b<n;b++)
                    {
                        if((a*a+b*b+m)%(a*b)==0)
                        {
                            m_count++;
                        }
                    }
                    printf("Case %d: %d\n",k++,m_count);


            }
        }
    }
}