Sorry folks.  This was an early, unedited release I made by  
accident.  I'll clean it up a bit on the Web site if you want to read  
it there later.

On Jul 11, 2007, at 4:34 PM, Ruby Quiz wrote:

> Tomorrow we have a classic computer science exercise and it's an  
> easy one, so warm up your impress-people-with-a-concise-solution  
> skills...

The "tomorrow" there refers to Friday, as usual.

James Edward Gray II