I was going through this problem on stackoverflow, and I found this classic article on this very topic
http://www.americanscientist.org/issues/pub/2002/3/the-easiest-hard-problem Definitely, worth a read. -- * * *thanks & regards,* *Avinesh Kumar National Institute of Technology, Calicut.* *Kerala- 673601* *+91 7849080702* -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected].
