#include <bits/stdc++.h>

using std::cin;
using std::cout;
using ll = long long;

ll mySqrt(ll x) {
	if (x == 0) return 0;
	ll res = exp(0.5 * log(x));
	return ((res + 1) * (res + 1) <= x ? res + 1 : res);
}

int main() {
	int t;
	cin >> t;
	
	while (t--) {
		ll n;
		cin >> n;
		ll ans = mySqrt(n);
		cout << ans << '\n';
	}
	
	return 0;
}