Pinta-ala

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

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

    ll t, A, B, change;
    cin >> t;
    while(t--)
    {
        cin >> A >> B;
        if(B <= A)
        {
        cout << "NO\n";
        continue;
        }
        change = B - A - 1;
        if(change <= 0)
            {
                cout << "NO\n";
                continue;
            }
        if(change * change - 4 * A >= 0)
            cout << "YES\n";
        else
            cout << "NO\n";
    }
    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED