#ifndef TREE_H
#define TREE_H

#include <iostream>

#include "node.h"

using namespace std;

//------------------------------------------------------

class Node; 

//------------------------------------------------------

class Tree {
friend ostream &operator<<(ostream&, Tree&);
public:
	void Insert(int);
	Tree(void);
private:
	Node* head;
	void PrintTree(int, Node*);
	void InsertHelper(int, Node**);
};

//------------------------------------------------------

#endif