From: Matthew Moss <matthew.moss.coder@...>
Date: 2007-07-16T23:56:00+09:00
Subject: Re: [QUIZ-Solution] Maximum Sub-Array (#131)

> > irb(main):007:0> max_subarray([-10] )
> > => []

I would say this is wrong. Despite being a negative sum, the non-empty
subarray [-10] still has the maximum sum.