#include<bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

int main(){
	int n;
	cin >> n;
	while(n--){
		ll x;
		cin >> x;
		ll left = 0,right = (ll)1e9;
		while(right-left>1){
			ll middle = (left+right)/2;
			if(middle <= (ll)floor(sqrt(x))){
				left = middle;
			}else{
				right = middle;
			}
		}

		cout << left << endl;
	}
	return 0;
}