#include <bits/stdc++.h> 
using namespace std;
using ll =long long;
#define all(v) v.begin(),v.end()
 #define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)

void solve() {
    ll n;cin>>n;
    ll s=0;
    ll g=1e9+1;
    while(s<g) {
        ll k=(s+g+1)/2;
        if(k*k<=n) {
            s=k;
        }
        else {
            g=k-1;
        }
    }

    cout<<s<<endl;
    return ;
}

int main() {
  ll t;cin>>t;
  for(ll i=0;i<t;i++) {
      solve();
  }
}