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;
        change = B - A - 1;
        if(change * change - 2 * A > 0)
            cout << "YES\n";
        else
            cout << "NO\n";
    }
    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER