From: Bill Kelly <billk@...>
Date: 2009-05-18T15:01:01+09:00
Subject: Re: permute each element of a ragged array?


From: "Phlip" <phlip2005@gmail.com>
>
> Here's a programming chestnut. I suppose I could brute-force my way through 
> this, but I'm curious if anyone knows a slick or clever way to do it.
> 
> We are talking about returning an array of arrays, each containing each 
> permutation of the elements in the input array of arrays, including no element:

Oddly, I stumbled upon the Logo version of this just yesterday:

http://www.eecs.berkeley.edu/~bh/logo-sample.html


:)

Clearly a recursive solution... pretty compact though...


Regards,

Bill