IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Special Section on Discrete Mathematics and Its Applications
Computational Complexity of Usowan Puzzles
Chuzo IWAMOTOMasato HARUISHI
著者情報
キーワード: Usowan, pencil puzzle, NP-complete
ジャーナル 認証あり

2018 年 E101.A 巻 9 号 p. 1537-1540

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Usowan is one of Nikoli's pencil puzzles. We study the computational complexity of Usowan puzzles. It is shown that deciding whether a given instance of the Usowan puzzle has a solution is NP-complete.

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© 2018 The Institute of Electronics, Information and Communication Engineers
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