Question

Помогите,пожалуйста!

Answer 1

2)
int main(){
int x, y, r;
r = 0;
cin >> x >> y;
if(x > 0 && x * x - 2 <= y && y <= x) r = 1;
if(x <= 0 && x * x - 2 <= y && y <= -x) r = 1;
if(r == 1) cout <<"YES"; else cout <<"NO";
}