How few clues does a Sudoku need? Searching for minimum-clue puzzles
We use the Sudoku solver from the previous post to hunt for minimum-clue puzzles across different grid sizes — and bump into an open problem in mathematics.
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We use the Sudoku solver from the previous post to hunt for minimum-clue puzzles across different grid sizes — and bump into an open problem in mathematics.
In this post, we go from the seemingly simple interview question of "model Sudoku as an optimization problem" all the way to an open problem in mathematics.