> #include<iostream>
> #include<Cstdio>
> #include<Cmath>
> using namespace std;
> int main()
> {
> 	int n,size;
> 	scanf("%d",&size);
> 	while(size--)
> 	{
> 		scanf("%d",&n);
> 		cout<<int(sqrt(n))<<endl;;
> 	}
> 	return 0;
> }