题解 | A×A=B 小白做法
A×A=B
https://www.nowcoder.com/practice/0cff379fe362488aa07defe35dba75cc
#include <cmath>
#include <iostream>
using namespace std;
int main() {
int a;
cin>>a;
while(a--){
long long b,k;
cin>>b;
k=sqrt(b);
if(k*k==b)
cout<<"YES\n";
else
cout<<"NO\n";
}
return 0;
}
