From: Christer Nilsson <janchrister.nilsson@...>
Date: 2005-12-31T08:48:57+09:00
Subject: Re: Numeric Maze (#60)

Jim Freeze wrote:
>> solve(1, 1)  # => [1]
> 
> 
> Is this a degenerate case? If to go from a to b in (a,b) through
> transformation x,y or z, wouldn't there be two possible shortest 
> solutions:
> 
>   [1,2,1]
>   [1,0.5,1]

Only positive integers are allowed.
That means you can't divide odd numbers with two (operation halve)

If start equals target, zero steps are needed.

Christer Nilsson

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