HDU-1017 mathematical curiosity

看不懂题参见DISCUSS

/* * HDU-1017 a mathematical curiosity * mike-w * 2011-8-30 * --------------------------------- * water~ */#include<stdio.h>int main(void){int ncase,ccase;long m,n,cnt;long i,j,k;scanf("%d",&ncase);for(i=1;i<=ncase;i++){ccase=1;while(scanf("%ld%ld",&n,&m),n>0){cnt=0;for(j=1;j<n;j++)for(k=j+1;k<n;k++)if((j*j+k*k+m)%(j*k)==0)cnt++;printf("Case %d: %ld\n",ccase++,cnt);}if(i<ncase)putchar('\n');}return 0;}