Sudoku Py / C++11 / D?

[Era Scarecrow]

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