From: Noah Easterly <noah.easterly@...>
Date: 2006-09-30T03:50:10+09:00
Subject: Re: Code Golf Challenge : Oblongular Number Spirals

non-recursive 170 bytes: (around and around and around we go)

$/=' '
b,a=$<.map{|a|a.to_i}
r=Array.new(a){[]}
c="#{a*b}".size
x=k=-1
i=y=j=0
a.times{r[y+=k][x+=j]="#{i+=1}".rjust c}while(a,b,j,k=b,a-1,-k,j;a>0)
r.each{|o|puts o*$/}

Paul Robinson wrote:
> On 29 Sep 2006, at 17:57, Simon Kr�ger wrote:
>
> > Oblongular Number Spirals:
> >
> > well, recursion and rotation are the keys
>
> Yup, my solution has the recursion but is bulked by iterating and
> using a case statement.
>
> > I think the whole point of codegolf.com would
> > vanish if you paste code of one of the top tens
> > for each problem.
>
> Well, I'm happy to put my solutions out there into the wild for
> people to prod with. It's only a little game after all. Now, if there
> were prizes on offer...
>
> > Perhaps they should open the code for all
> > challenges older than 8 weeks or so - but than
> > they have to freeze the scores at this point.
>
> I like the fact that I can go back and compete in older challenges if
> I want. I really like it as it is.
>
> Perhaps somebody could set up an OpenCodeGolf.com where that happens
> for people who want a different way to play, with different
> challenges (so as not to spoil the ones on codegolf.com).