From: Tom Sawyer <transami@...>
Date: 2002-08-06T20:57:24+09:00
Subject: Re: Coding challenge (on Ruby Garden)

damn! i went to measure the speed on that one liner, but alas i run on
stable.

what's inject do?

also, it would be nice to have a brief description of the main idea
behind the solution. (all of the solutions, actually)

~transami


On Tue, 2002-08-06 at 05:41, George Ogata wrote:
> David Alan Black wrote:
> 
> > Hi --
> > 
> > On Tue, 6 Aug 2002, Avi Bryant wrote:
> > 
> >> David Alan Black <dblack@candle.superlink.net> wrote in message
> >> news:<Pine.LNX.4.30.0208052056270.15880-100000@candle.superlink.net>...
> >> > Hello --
> >> >
> >> > Coding Challenge 0002 (my numbering scheme :-) has been posted to
> >> > <http://www.rubygarden.org/ruby?CodingChallenge0002>.
> >>
> >> So, what are the criteria for the challenge, apart from passing the
> >> tests?  This obviously isn't golf, but the stats for my solution are:
> >>
> >> bytes: 139
> >> lines: 3
> >> expressions: 1
> >> assignments: 0
> > 
> > The criteria are passing the tests, and the mysterious "meeting the
> > requirements" (which is a way of saying I doubt that the tests are
> > comprehensive enough).  I think you get the honorary golf trophy,
> > though :-)
> > 
> > 
> > David
> > 
> 
> I think Avi's doesn't quite meet the requirements.  This should be true, 
> shouldn't it?:
> 
> one_in_each([1,2,3],[[1,2],[1,2],[1,3]])
> 
> I have a 118 char solution (including the "def..end"!) which I think meets 
> all requirements.  Anyone care to shorten it?
> 
> http://www.rubygarden.org/ruby?G00002
> 
-- 
~transami