#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
#include <unordered_set>
#include <random>
#include <cassert>
#include <fstream>
#include <utility>
#include <functional>
#include <time.h>
#include <stack>
#include <array>
#include <list>
#include <atcoder/all>
#define popcount __builtin_popcount
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<int, int> P;
using mint=modint998244353;

int main()
{
    int t; cin>>t;
    while(t--){
        ll n; cin>>n;
        ll l=0, r=1e9+7;
        while(r-l>1){
            ll m=(l+r)/2;
            if(m*m<=n) l=m;
            else r=m;
        }
        cout<<l<<endl;
    }
    return 0;
}