#include <bits/stdc++.h>

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

ll mySqrt(ll x) {
	ll l = -1, r = x + 1;
	while (l + 1 < r) {
	    ll mid = l + r + 1 >> 1;
	    if (mid <= x / mid) l = mid;
	    else r = mid;
	}
	return l;
}

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