#include<iostream>
#include<vector>
#include<cmath>
#include<numeric>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<queue>
#include<iomanip>
using namespace std;

# define rep(i,n) for(i=0; i<n; i++)

int main() {
	long long n, m, i, j, k, ans, cur, res, jud, mod;
	long long t, ok, ng, mid;
	cin >> t;
	rep(i, t) {
		cin >> n;
		ok = 0; ng = 1000000001;
		while (ng - ok > 1) {
			mid = (ok + ng) / 2;
			if (mid * mid <= n) {
				ok = mid;
			}
			else {
				ng = mid;
			}
		}
		cout << ok << endl;
	}
}