#include <iostream>
#include <cmath>
using namespace std;

int main() 
{
  int t;
  cin >> t;
  while(t--) {
    long n;
    cin >> n;
    long sq = sqrt(n);
    while((sq+1)*(sq+1)<=n)sq++;
    while(sq*sq>n)sq--;
    cout << sq << "\n";
  }
}