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

int main(){
    int T;
    cin >> T;

    rep(i, 0, T){
        ll N;
        cin >> N;

        ll ok = 0LL, ng = 1000000001LL;
        while(abs(ok - ng) > 1LL){
            ll ce = (ok + ng) / 2LL;
            if(ce*ce > N) ng = ce;
            else ok = ce;
        }
        cout << ok << endl;
    }

    return 0;
}