小爱和小艾两人组队打一只怪兽。一开始怪兽有 �n 点生命值当 �n 变成 00 或更低时怪兽就被消灭了。他们两人是同时开始攻击的小爱每分钟可以攻击 �a 下小艾每分钟可以攻击 �b 下。若 �=2a=2�=4b=4则小爱发出攻击的时刻为05 1 15 2 25 ⋯05 1 15 2 25 ⋯小艾发出攻击的时刻为025 05 075 1 125 15 ⋯025 05 075 1 125 15 ⋯攻击

#include using namespace std;

int main() { int n, a, b; cin >> n >> a >> b;

int time_a = 0, time_b = 0;
int damage_a = 0, damage_b = 0;

while (n > 0) {
    time_a++;
    damage_a += a;
    n -= damage_a;

    if (n <= 0) {
        cout << "A" << endl;
        return 0;
    }

    time_b++;
    damage_b += b;
    n -= damage_b;

    if (n <= 0) {
        cout << "B" << endl;
        return 0;
    }

    if (time_a == time_b) {
        damage_a *= 2;
        damage_b *= 2;
    }
}

cout << "C" << endl;

return 0;