From: Martin Coxall <pseudo.meta@...>
Date: 2006-10-12T17:06:26+09:00
Subject: Re: [QUIZ] Posix Pangrams (#97)

> I suspect that the other optimization problem here may also be NP- 
> Hard.
> I'm not sure (in all of the 5 minutes that I'm writing this post)  
> how to do
> a simple reduction to that problem though.

True, but in this case the set to cover was small enough to make it  
computationally feasible without having to rewrite it in Fortran. Phew.

Martin