#include <bits/stdc++.h>
using namespace std;
int main(){
  int T;
  cin >> T;
  for (int i = 0; i < T; i++){
    long long N;
    cin >> N;
    int tv = 1, fv = 1000000001;
    while (fv - tv > 1){
      int mid = (tv + fv) / 2;
      if ((long long) mid * mid <= N){
        tv = mid;
      } else {
        fv = mid;
      }
    }
    cout << tv << endl;
  }
}