#ifndef _GRAPH_H
#define _GRAPH_H

#include "apvector.h"
#include "apstring.h"
#include "node2.h"
#include "edge2.h"

class graph{
	public:
		graph();

		void operator +=(const node & x);
		void operator -=(const node & x);
		void operator +=(const edge & x);
		void operator -=(const edge & x);
		apvector<node> get_neighbors(const node & x);

	private:
		apvector<node> myNodes;
		apvector< apvector<bool> > myMatrix;
		int myNumberNodes;	

		int getIndex(const node & x);
};
#endif