#include <bits/stdc++.h>
using namespace std;

using ll = long long;

#define rep(i, n) for (int i=0; i<(int)(n); ++(i))
#define rep3(i, m, n) for (int i=(m); (i)<(int)(n); ++(i))
#define repr(i, n) for (int i=(int)(n)-1; (i)>=0; --(i))
#define rep3r(i, m, n) for (int i=(int)(n)-1; (i)>=(int)(m); --(i))
#define all(x) (x).begin(), (x).end()

int main() {
	int t0;
	cin >> t0;
	rep(i0, t0) {
		ll n;
		cin >> n;
		ll rval = (ll)floor(sqrt(floor(n)));
		while (rval*rval > n) --rval;
		while ((rval+1)*(rval+1) <= n) ++rval;
		cout << rval << endl;
	}
	return 0;
}