K 不再选择

不让条件判断，那就写个三目运算符呗

void Aiden()
{
 ll m, n, k, sum = 0, ans = 0, num = 0, mi = INF, ma = -INF, cnt = 0, x, y, z, len, t, l, r, cur;
 string s1, s2;
 cin >> n;
 cout << ((n & 1) ? "YES" : "NO");
}