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by curtisf
384 days ago
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If I recall correctly, it's actually possible to implement this in O(n) (or maybe O(n^2)) time and space using a "dynamic programming" algorithm. But in general, Nonogram solving, like most pen-and-paper puzzles, is NP-Complete for large enough puzzles, so even such a high-powered rule isn't guaranteed to completely solve a (large) puzzle. |
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