#include <iostream>
using namespace std;
using ll = long long;

int main(){
    int t; cin >> t;
    while(t--){
        ll n; cin >> n;
        ll ac = 0, wa = 1001001001;
        while(wa-ac > 1){
            ll wj = (wa+ac)/2;
            if(wj*wj <= n) ac = wj;
            else wa = wj;
        }
        cout << ac << '\n';
    }
    return 0;
}