#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    int T; cin >> T;
    rep(_,T) {
        ll N; cin >> N;
        auto f = [&](ll x) { return x * x <= N; };
        ll ok = 0, ng = 1e9+5;
        while(ng - ok > 1) {
            ll mid = (ok + ng) / 2;
            (f(mid) ? ok : ng) = mid;
        }
        cout << ok << "\n";
    }
}