Kenneth Collins wrote:
> 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

Another case with smaller numbers:

$ ruby test60.rb 49 64
./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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