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

int main(){
  int T; cin >> T;
  for(int i = 0; i < T; i++){
      long N; cin >> N;
      int n = (int)sqrt(N);
      cout << n << endl;
  }
}