Author: Stan Eisenstat
Subject: Re: [Cs223] two values that point to the same position
Date: Monday, 13 Apr 2020, 21:39:47

    > Message Posted By: Unknown
    >
    > Is there a possibility that two triples have the same exact position, but
    > different REACHEDFROM and NSTEPS.

No.
=====

    ...
    > I guess this wouldn't happen. but why this wouldn't happen?

Because the algorithm never considers a move to a
position that has already been seen.

--Stan-