AtCoder Beginner Contest 466

链接：https://atcoder.jp/contests/abc466

A - Compromise

涉及知识：无

思路：判断有无非负数即可

Code

点击查看代码

void solve()
{cin >> n;vi a(n + 1);int ok = 0;for (int i = 1; i <= n; i++){cin >> a[i];if (a[i] >= 0){ok = 1;}}if (ok){cout << "No" << endl;}else{cout << "Yes" << endl;}
}

B - Representative Balls

涉及知识：