From: dblack@...
Date: 2006-07-16T00:54:07+09:00
Subject: Re: Who likes Sudoku?

Hi --

On Sun, 16 Jul 2006, studlee2@gmail.com wrote:

> Here is the smallest Ruby Sudoku solver I could come up with.  I've
> seen a bunch that are really big, but this is the most simplistic.  I'd
> like to shrink it a bit more, but it works well for now.  Things like
> reading in the ARGV line as Integers could remove all the ".to_i" tags.
> Another line could be removed if the hash is declared within the loop
> instead of the top of the subroutine.  Is there are way to loop through
> numbers 1..9 using the 10.times notation so I don't have to skip '0' --
> it'd be nice to remove that line too?  Can we GOLF this anymore?  I'm

Has GOLF become a "backronym"?  I thought it was just "golf", but I
keep seeing it in uppercase.

> going to keep refining it, so I'll post any updates later on.  This was
> a fun problem - Ruby Rocks!

Anyway -- sure you can reduce it a bit.  Change $puzzle to $p, to
start with, and get rid of a bunch of spaces :-)  (I haven't looked at
the logic yet so my suggestions are pretty cosmetic.)


David

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