#include <iostream>

using namespace std;

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

    int T, i;
    long long N, l, c, r;
    cin >> T;
    for (i = 0; i != T; ++i)
    {
        cin >> N;
        for (l = 1, r = 1'000'000'001; l + 1 < r; )
        {
            c = (l + r) / 2;
            if (c * c <= N)
                l = c;
            else
                r = c;
        }
        cout << l << '\n';
    }

    return 0;
}