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

#define ll long long
#define maxn
#define el '\n'

ll t,n;

void solve()
{
    cin >> n;
    ll l=1, r=n, res=0;
    while(r-l>5)
    {
        ll m=(l+r)/2;
        if(m*m<=n) l=m;
        else r=m-1;
    }
    for(ll i=l; i<=r; i++) if(i*i<=n) res=max(res,i);
    cout << res << el;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    cin >> t;
    while(t--)
    {
        solve();
    }
}
// orzhienq coder manh nhat ha tien