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Complexity-Aware Symbolic Solvers for Sudoku: Towards Interpretability and Cognitive Alignment in Constraint Problem Solving

2025-12-22

Abstract excerpt

<title>Abstract</title> <p>SAT and Constraint Programming (CP) remain the fastest exact Sudoku solvers, on average taking milliseconds to solve even hard puzzles. They are, however, black-box optimizers and hence lack symbolic interpretability. The present article describes a complementary deterministic approach that explains reasoning with four symbolic solvers: Dynamic Constraint Propagation Backtracking (DCPB)...

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Literature Corpus work
d7c7243c-3175-5b01-bf82-83910d52e926
DOI
10.21203/rs.3.rs-8354205/v1
Open publication

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