#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define INF 1000000000
#define MOD 998244353
#define MAX 200000


int main(){
  int T;
  cin>>T;
  for(int i=0;i<T;i++){
    ll N;
    cin>>N;
    ll left=0;
    ll right=1000000001;
    while(left+1<right){
      ll x=(left+right)/2;
      if(x*x<=N){
        left=x;
      }else{
        right=x;
      }
    }
    cout<<left<<'\n';
  }
}