backtrack.h

/*
	backtrack.h     
	A header file for generic backtracking 

	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 MAXCANDIDATES   100	    /* max possible next extensions */
#define NMAX            100	    /* maximum solution size */

typedef char* data;             /* type to pass data to backtrack */

void backtrack(int a[], int k, data input);