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  1. #include <stdio.h>
  2. #include <math.h>
  3. int main(){
  4. 	float N;
  5. 	scanf("%f", &N);
  6. 	int S = sqrt(N);
  7. 	if(S*S==N){
  8. 		printf("YES");
  9. 	}else{
  10. 		printf("NO");
  11. 	}
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 5304KB
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4
stdout
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YES
https://ideone.com/Qs7tN4
language:
C (gcc 8.3)
created:
237 days ago
visibility:
public

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