C++ 代码

class ParkingSystem {
public:
    int num[4];   //分别来存大中小车位
    ParkingSystem(int big, int medium, int small) {
        num[1]=big;
        num[2]=medium;
        num[3]=small;
    }

    bool addCar(int carType) {  //carType是对应的停车位
        if(num[carType]>=1){   //如果还剩下该车位就减去1，返回true
            num[carType]-=1;
            return true;
        }
        return false;  //否则返回false
    }
};

/**
 * Your ParkingSystem object will be instantiated and called as such:
 * ParkingSystem* obj = new ParkingSystem(big, medium, small);
 * bool param_1 = obj->addCar(carType);
 */