#include <bits/stdc++.h>
using namespace std;

int main()
{
  int T;
  cin >> T;
  
  int64_t N;
  for(int t = 0; t < T; t++)
  {
    cin >> N;
    
    int64_t ok = 1;
    int64_t ng = 1000000001;
    int64_t mid;
    while(abs(ok - ng) != 1)
    {
      mid = (ok + ng) / 2;
      if(mid * mid <= N) ok = mid;
      else ng = mid;
    }
    cout << ok << endl;
  }
  return 0;
}