#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++){
    ll N; cin >> N;
    int bot = 0, top = INT_MAX-1;
    while(bot+1 < top){
      ll mid = (bot+top)/2;
      ll M = mid*mid;
      if(M <= N) bot = mid;
      else top = mid;
    }
    cout << bot << endl;
  }
}