/*	graphp.h
	Header file for pointer-based graph data type

	by: Steven Skiena
*/

/*
Copyright 2003 by Steven S. Skiena; all rights reserved. 

Permission is granted for use in non-commerical applications
provided this copyright notice remains intact and unchanged.

This program appears in my book:

"Programming Challenges: The Programming Contest Training Manual"
by Steven Skiena and Miguel Revilla, Springer-Verlag, New York 2003.

See our website www.programming-challenges.com for additional information.

This book can be ordered from Amazon.com at

http://www.amazon.com/exec/obidos/ASIN/0387001638/thealgorithmrepo/

*/


#define	MAXV		100		/* maximum number of vertices */

struct edgenode {
	int y;				/* adjancency info */
	int weight;			/* edge weight, if any */
	struct edgenode *next;		/* next edge in list */

typedef struct {
	edgenode *edges[MAXV+1];	/* adjacency info */
	int degree[MAXV+1];		/* outdegree of each vertex */
	int nvertices;			/* number of vertices in the graph */
	int nedges;			/* number of edges in the graph */
} graph;


