From: Jim Freeze Date: 2005-12-31T10:55:32+09:00 Subject: Re: Numeric Maze (#60) ------=_Part_16549_8976199.1135994120398 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On 12/30/05, Christer Nilsson wrote: > > > My suggestion is: > > consider the original transformations having cost one. The new > operation, times_one, will have cost zero. Find the minimum cost > transforming a to b. > > Hmm, this is getting interesting... :) $ xform -- --------- 0 times_one 1 add_two 2 times_two 4 times_one_half -- Jim Freeze ------=_Part_16549_8976199.1135994120398--