binarytreenode.h

包括树的构造

template<class T> class BinaryTree;
template<class T>
class BinaryTreeNode
{
public:
	friend class BinaryTree<T>;
	BinaryTreeNode(){LeftChild=RightChild=0;}
	BinaryTreeNode(const T &e){data=e;LeftChild=RightChild=0;}
	BinaryTreeNode(const signed &s,bool){sign=s;LeftChild=RightChild=0;}
	BinaryTreeNode(const signed&s,BinaryTreeNode*l,BinaryTreeNode*r)
	{
		sign=s;
		LeftChild=l;
		RightChild=r;
	}
protected:
private:
	T data;
	char sign;
	BinaryTreeNode<T>*LeftChild,*RightChild;
};