Pinta-ala

#include <bits/stdc++.h>


using namespace std;

int main() {

    long long t, A, B;
    cin >> t;
    for (int i=0; i<t; i++) {
        cin >> A >> B;
        long long D = (A+1-B)*(A+1-B) - 4*A;
        if (D < 0) cout << "NO\n";
        else cout << "YES\n";
    }
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER