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when toggle format what by license comment
Dec 18, 2013 at 0:57 vote accept rolfl
Dec 16, 2013 at 0:33 comment added ruds That makes sense. I've removed the initial comment in response to your edit.
Dec 16, 2013 at 0:33 history edited ruds CC BY-SA 3.0
Remove first paragraph in response to edit of question.
Dec 16, 2013 at 0:15 comment added rolfl Addressing the initial comment - about the strict format of the input. Truth is, I am cheating. I have already parsed the input, and, typically, I have run it through multiple 'Sudoku Strategy' clases before I discover I need to 'brute-force' the puzzle. I have not (yet) posted the full solution to the Week-end challenge, but, rest assured, I do process raw (example-specified) input, and I have just posted this question here as a self-contained solution... which the 'short-cut' input.
Dec 16, 2013 at 0:07 history edited ruds CC BY-SA 3.0
int -> long to prevent overflows for 25x25 puzzles.
Dec 15, 2013 at 21:00 history answered ruds CC BY-SA 3.0