Tip Top Game-TIPTOP

Tip Top Game

given below code is for TIPTOP spoj Tip Top Game spoj

#include<stdio.h>
#include<math.h>
int main()
{
 int t,i;
 scanf("%i", &t);
 for(i=1; i<=t; i++)
 {
  unsigned long long n;
  scanf("%llu", &n);
  unsigned long long s=sqrt(n);
  if(s*s==n || (s-1)*(s-1)==n || (s+1)*(s+1)==n)
   printf("Case %i: Yes\n", i);
  else
   printf("Case %i: No\n", i);
 }
return 0;
}