[LRUG] Continuations

[Andrew Stewart]

On 15 Mar 2007, at 14:54, Daniel Lucraft wrote:
> The point is that backtracking is OK for *solving* sudoku, but what
> about generating them? In order for them to be 'human friendly', they
> have to be solvable through logic, or at least only minimal search.  
> And
> then you have to order the constraints by how hard they are to  
> apply by
> people, and then you can create a difficulty rating by examining which
> constraints get activated during propagation.

Yes, that is a good challenge :)

Regards,
Andy