#ifndef Booster_
#define Booster_

template <class T> class BinaryTreeNode;

class Booster 
{
    friend void main(void);
    friend void PlaceBoosters(BinaryTreeNode<Booster> *);
public:
	void Output(ostream& out) const
	{
		out << boost << ' ' << D << ' ' << d << ' ' << endl;
	}
private:
	int D,       // degradation to leaf
		d;       // degradation from parent
	bool boost;  // true iff booster here
};

// overload <<
ostream& operator<<(ostream& out, Booster x)
{
	x.Output(out); 
	return out;
}

#endif