HDU1017 注意下输出格式就可以了，我因此PE了两次啊！伤不起啊！

#include<stdio.h>
#include<stdlib.h>

int main()
{
    int a,b,n,m,count,ncases;
    int N;
    scanf("%d",&N); 
    while( N-- )
    {
       ncases = 1;    
       while(scanf("%d%d",&n,&m))
       {
          if(n==0 && m==0) break;                         
           count = 0;    
         for(a = 1; a < n; a++)  
           for(b = a+1; b < n; b++)
           { 
              if((a*a+b*b+m)%(a*b) == 0)  
                 count++; 
           }
           printf("Case %d: %d\n",ncases++,count); 
       }
      if(N != 0)    
         printf("\n");           
           
    }
    system("pause");
   return 0;
}