#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,n) for (int i = 0; i < (n); i++)
#define coutf(f) cout << fixed << setprecision(f)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()

int main() {
	int t;
	cin >> t;
	while (t--) {
		ll n;
		cin >> n;
		ll left = 0, right = 1e10;
		while (right - left > 1) {
			ll mid = (left + right) / 2;
			if (mid * mid <= n) left = mid;
			else right = mid;
		}
		cout << left << endl;
	}
	return 0;
}