Pinta-ala

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







void test_case(){
    double A, B;
    cin >> A >> B;
    double T = A - B + 1;

    double D = pow(T, 2)-4*A;
    if(D < 0){
        cout << "NO\n";
        return;
    }

    double x = (-T + sqrt(D)) / 2;

    if(x > 0){
        cout << "YES\n";
    }
    else{
        cout << "NO\n";
    }
}






int main() {
    int t; cin >> t;
    cout << "\n";
    for(int i = 0; i < t; i++){
        test_case();
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED