Sudoku Py / C++11 / D?

[ixid]

On Wednesday, 15 August 2012 at 20:13:10 UTC, Era Scarecrow wrote:
> On Wednesday, 15 August 2012 at 15:39:26 UTC, ixid wrote:
>> Could you supply your code? Which one are you using as the 
>> hardest? If you're solving the 1400 second one in 12 seconds 
>> that's very impressive, I can't get it below 240 seconds.
>
> Expanded to 225 lines after comments and refactoring for names. 
> I think it should be fairly easy to follow.
>
> https://github.com/rtcvb32/D-Sudoku-Solver
>
> Output:
>
> $ dmd sudoku_solve.d -g -O
> $ time ./sudoku_solve.exe 
> .....6....59.....82....8....45........3........6..3.54...325..6..................
>
> .....6...
> .59.....8
> 2....8...
> .45......
> ..3......
> ..6..3.54
> ...325..6
> .........
> .........
>
>
> 138246579
> 659137248
> 274598163
> 745682391
> 813459627
> 926713854
> 487325916
> 362971485
> 591864732
>
> Start: TickDuration(3610965141031)
> End:   TickDuration(3611099830488)
> Time:  TickDuration(134689457)
>
> real    0m9.565s
> user    0m0.015s
> sys     0m0.046s

How many solutions do you find for that one?