#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);

    int t;
    if (!(cin >> t)) return 1;
    while (t--) {
        ll n;
        if (!(cin >> n)) return 1;
        cout << isqrt(n) << '\n';
    }
    return 0;
}