From: Kenneth Collins <pine29@...>
Date: 2006-01-02T10:05:14+09:00
Subject: Re: Numeric Maze (#60)

Gregory Seidman wrote:
> This is my first Ruby quiz. I was hoping to have the whole thing done
> by the end of the first 48 hours, but I kept getting hung up on edge 
> cases.
> I did figure out the binary approach on my own, though.
> 

Gregory, this is an amazing solution! However I got a failure trying 
some arbitrarily selected src and dst values:

$ ruby test60.rb 4934939 39329291
./60.rb:47:in `halve': Trying to halve an odd number: 49 (RuntimeError)
        from ./60.rb:127:in `solve'
        from test60.rb:7

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