wgraph.h

/*    wgraph.h

    Header file for weighted graph 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 */
#define MAXDEGREE    50    /* maximum outdegree of a vertex */

typedef struct {
    int v;         /* neighboring vertex */
    int weight;    /* edge weight */
} edge;

typedef struct {
    edge edges[MAXV+1][MAXDEGREE];    /* 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 */
    int directed;                     /* is the graph directed? */
} graph;