#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    int t;
    cin >> t;
    for (; t--;) {
        long long n;
        cin >> n;
        long long ans = sqrtl(n);
        while ((ans + 1) * (ans + 1) <= n) {
            ans++;
        }
        while (ans * ans > n) {
            ans--;
        }
        cout << ans << "\n";
    }
}