#include "bits/stdc++.h"

#define int long long

using namespace std;
using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 998244353;



signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int T; cin >> T;
	for (int _ = 0; _ < T; _++) {
		int N; cin >> N;
		long double t = sqrtl(N);
		for (int j = t - 20; j <= t + 20; j++) {
			if (j >= 0 && (j + 1) * (j + 1) > N) {
				cout << j << endl; break;
			}
		}
	}
	return 0;

}