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| #include <stdio.h> | |
| #include <math.h> | |
| int main() | |
| { | |
| int a, f, n, i, m; | |
| float sqr; | |
| scanf("%d",&n); | |
| for(i = 0; i < n; i++) | |
| { | |
| scanf("%d",&f); | |
| sqr = sqrt(f); | |
| m = sqr; | |
| if(m == sqr) | |
| printf("YES\n"); | |
| else | |
| printf("NO\n"); | |
| } | |
| return 0; | |
| } |
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