ECOO AT GRAMERCY 2000

CNF

INPUT FILE: cnf.in
OUTPUT FILE: cnf.out

Given a formula in CNF - conjunctive normal form (a bunch of clauses ANDed together, where each clause consists of variables ORed together), determine what values of the variables (0 for false, 1 for true) satisfy the formula (i.e. make it true).

For a description of input/output see DNF.

Sample Input File

2
(a | a) &
(!a | !a)
-1

Output for Sample Input

UNSATISFIABLE
Downloader failed! Response object 006~ASP 0159~Buffering Off~Buffering must be on.