Solving Sudoku, Revisited – Andy G's Blog

Thanks to Scott Y’s comments in my article regarding a Sudoku Solver I wrote as part of an AI project, I decided to write a real solver that not only can solve any Sudoku puzzle, but can do it in just a few milliseconds. Long story short: I represented Sudoku as an exact cover problem,…

Figure 2 from A Pencil-and-Paper Algorithm for Solving Sudoku Puzzles

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Solving Sudoku, Revisited – Andy G's Blog

A full-length issue of your favorite Sudoku puzzles – ready to print on the spot!, Printable puzzles, with answers, in PDF format. At the touch of a

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pdf version - Haskell

Sudoku designers the world over will weep and gnash their teeth at the revelations in this comprehensive guide to cracking the addictive puzzles--but

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