http://www.norvig.com/java-lisp.html

This is is a bit of a challenge, see links in post for original coding 
challenge.  It'd be interesting to see how much time it'd take in Ruby - 
Lisp 2 hours, C++ roughly 5.5 [1]

found on reddit.com

Is there a defined way to submit ruby quizes?  I haven't looked at the 
site, so feel free to wail and gnash teeth if it's clearly sign posted 
anywhere

Kev

[1] http://userpages.umbc.edu/~bcorfm1/C++-vs-Lisp.html