#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <set>
#include <map>
#include <queue>
#include <cmath>
#include <iomanip>
using namespace std;
typedef long long ll;
#define rep(i, n) for (int i=0;i < (int)(n);i++)

int main(){
    int t;
    cin >> t;
    while(t--){
        ll x;cin >> x;
        ll ans = round(sqrt(x));
        cout << ans << endl;
    }

    return 0;
}