/*	editdistance.h

	Header file for string comparison

	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 MAXLEN          101     /* longest possible string */

#define MATCH           0       /* enumerated type symbol for match */
#define INSERT          1       /* enumerated type symbol for insert */
#define DELETE          2       /* enumerated type symbol for delete */

typedef struct {
        int cost;               /* cost of reaching this cell */
        int parent;             /* parent cell */
} cell;