#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;
 
#include<bits/stdc++.h>
using namespace std;

ll f(ll x){
  ll ok=-1,ng=1e9+7;
  while(ng-ok>1){
    ll mid=(ok+ng)/2;
    if(mid*mid<=x) ok=mid;
    else ng=mid;
  }
  return ok;
}
 
int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  
  int t;
  cin>>t;
  while(t--){
    ll n;
    cin>>n;
    cout<<f(n)<<endl;
  }
   
  return 0;
}