#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;

#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define rep(i,a,b) for (int i = (a); i < (b); ++i)

mt19937 rng(random_device {}());

int main()
{
    cin.tie(0)->sync_with_stdio(0);

    int t;
    cin >> t;
    while(t--){
        ll n;
        cin >> n;

        ll lo = 0, hi = 1'000'000'000, ans = 0;

        while(lo <= hi){
            ll mid = lo + (hi - lo) / 2;
            if(mid*mid <= n){
                ans = mid;
                lo = mid + 1;
            }
            else
                hi = mid - 1;
        }

        cout << ans << endl;
    }

    return 0;
}