//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int siz(string s){
  return (int)s.size();
}

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

  for(int i = 0; i < T; i++){
    ll X; cin >> X;

    ll ng = 0, ok = 2e9;
    while(ng+1 < ok){
      ll mid = (ng+ok)/2;

      X < mid*mid ? ok = mid : ng = mid;
    }

    printl(ng);
  }

  return 0;
}