class BoardState{
    Creature creatures[1000];
    int numOfCreatures;
    Tower towers[300];
    int numOfTowers;
    Map map;
    void draw();
};



class Creature{
    int speed;
    int maxHitPoints;
    int hitPoints;
    int x;
    int y;
    virtual void toDo(const BoardState& board) = 0;
    void move();
};

class Runner: public Creature{
    void toDo(const BoardState& board) override {
        this->move();
    }
};

class RunnerTier1Mode1: public Runner{

};

class Healer: public Creature{
    int healRadius;
    int healPower;
    void toDo(const BoardState& board) override {
        for(int i = 0; i < board.creatures.size; i++) {
            if (dist(board.cratures[i], *this) < healRadius) {
                board.creatures[i].heal(healPower);
            }
        }
        this->move();
    }
};