#include <bits/stdc++.h>
using namespace std;
#define int              long long int
#define double           long double
#define print(a)         for(auto x : a) cout << x << " "; cout << endl
inline int power(int a, int b) {
    int x = 1;
    while (b) {
        if (b & 1) x *= a;
        a *= a;
        b >>= 1;
    }
    return x;
}


const int M = 1000000007;
const int N = 3e5+9;
const int INF = 2e9+1;
const int LINF = 2000000000000000001;

//_ ***************************** START Below *******************************






int consistency(int n){

	int s = 2, e = INF;
	
	while(s<e){
		int mid = s + (e-s+1)/2;
		
		if( (mid*mid) <= 2*n-1){
			s = mid;
		}
		else e = mid-1;
	}
	
	return (s-1)/2;

}

















int practice(int n){
	
	return 0;
	
}





void solve() {

    int n;
    cin>> n;

	cout << consistency(n) << endl;
	
	// cout << consistency(n) << " -> " << practice(n) << endl;
    
    

}





int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int t = 1;
    cin >> t;
    while (t--) {
        solve();
    }

    return 0;
}