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  1. #include<stdio.h>
  2. #include<math.h>
  3.  
  4. int main(){
  5.   long long n;
  6.   while(true){
  7.     scanf("%lld", &n);
  8.     if (n == 0){
  9.       break;
  10.     }
  11.     long long sq = sqrt(n);
  12.     if (sq * sq == n){
  13.       printf("yes\n");
  14.     } else {
  15.       printf("no\n");
  16.     }
  17.   }
  18.   return 0;
  19. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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3
6241
8191
0
stdout
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no
yes
no
https://ideone.com/FvPN4Y
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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