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

const int INF = 2147483647;

int main(void){
  int t;
  cin >> t;
  vector<int> vec(t);
  for (int i = 0; i < t; i++) {
    long long n;
    cin >> n;
    vec[i] = floor(sqrt(n));
  }

  for (int i = 0; i < t; i++) {
    cout << vec[i] << endl;
  }
  return 0;
}