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bishop77
on Oct 8, 2024
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Arthur Whitney's one liner sudoku solver (2011)
For sudokus of size 9x9 and 16x16 almost any unoptimised DFS will work just fine (even for hard sudokus [0]). The real challenge is for sudokus of size 25x25 and above.
[0]
https://cdn.aaai.org/ocs/2517/2517-11201-1-PB.pdf
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[0] https://cdn.aaai.org/ocs/2517/2517-11201-1-PB.pdf