Sudoku Py / C++11 / D?

[Timon Gehr]

On 08/25/2012 02:51 AM, Chris Cain wrote:
> On Friday, 24 August 2012 at 23:14:02 UTC, maarten van damme wrote:
>> http://en.wikipedia.org/wiki/File:Sudoku_puzzle_hard_for_brute_force.jpg
>
> It occurs to me that one of the main reasons why this particular puzzle
> would be hard for brute force is that the first line is blank and more
> than half of the second line is blank, and it seems like it is designed
> to have as many choices as possible before a set square is encountered.
>
> I bet it could be solved much quicker by a computer by doing it in reverse.
>
> I've got some ideas, maybe I'll write a solution to this myself. :)

FWIW both mine and Maarten's solution require a trivial amount of time
to solve it.