thanks guys
On Fri, Sep 2, 2011 at 1:53 AM, Don wrote:
> There are several issues.
> There is nothing to back out a move if it fails. After the recursive
> call to queen, you need an "else" which unmarks the board. That will
> be hard to do, because there isn't a good way to remember what was
>
There are several issues.
There is nothing to back out a move if it fails. After the recursive
call to queen, you need an "else" which unmarks the board. That will
be hard to do, because there isn't a good way to remember what was
marked before.
I don't think you need to loop i from p to 7. The par
interesting because just the other day I wrote something to get all 92
solutions for 8x8 "n queens" problem in a little under 3 sec. I
also used to play chess seriously, and my coach once gave me this
exercise to find a few working configurations.
I would advise against blindly placing all que
