#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll isqrt(ll n) {
    ll l = 0, r = n, ans = 0;
    while (l <= r) {
        ll m = l + (r - l) / 2;
        if (m <= n / m) {
            ans = m;
            l = m + 1;
        } else {
            r = m - 1;
        }
    }
    return ans;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    ll t;
    cin >> t;
    if (cin.fail()) {
        cerr << "Input t không h?p l?!\n";
        return 1;
    }

    while (t--) {
        ll n;
        cin >> n;
        if (cin.fail()) {
            cerr << "Input n không h?p l?!\n";
            return 1;
        }
        cout << isqrt(n) << '\n';
    }

    return 0;
}