From: "Simon Kröger" <SimonKroeger@...>
Date: 2007-01-20T23:40:06+09:00
Subject: Re: Number Spiral (#109)

William James wrote:
>> s,f=1,proc{|x,y|y<1?[]:[[*s...s+=x]]+f[y-1,x].reverse.transpose}
> 
> This is more obfuscated than
> 
> s=1
> f=proc{|x,y|y<1?[]:[[*s...s+=x]]+f[y-1,x].reverse.transpose}
> 
> and is no shorter.

depends on your line end character(s) :)

>> puts f[w=gets(' ').to_i,gets.to_i].map{|i|['%3i']*w*' '%i}
>> ----------------------------------------------------------------
>>
>> It draws a number spiral, starting with '1' in the upper left
>> corner and the highest number in the middle, it also features
>> spirals that are not quadratic.
>>
>> Yes, you will get some score at the codegolf site if you repost
>> this solution there
> 
> If the site accepted this, then it wasn't tested thoroughly
> enough.  '%3i' gives every number-spiral a column-width
> of 3;  the column-width should equal the width of the
> largest number.

Well, consider it cheating, most spirals have a column width of
3 - so you may have to post it twice to have it accepted.

cheers

Simon