[Haskell-cafe] Sudoku Solver
Donald Bruce Stewart
dons at cse.unsw.edu.au
Mon Aug 6 22:09:01 EDT 2007
> On 8/7/07, Hugh Perkins <hughperkins at gmail.com> wrote:
> > Note that the "official" way to solve sudoku is to use "dancing links", but
> > I guess you are creating a naive implementation precisely as a base-line
> > against which to measure other implementations?
> Well, Dancing Links (DLX) is just a data structure + few techniques
> to help with the backtrack, after modeling Sudoku as a contraint
> satisfaction problem.
> You can write a backtracking algorithm that is at least as fast as DLX :-)
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