Keyword : pencil puzzle


Computational Complexity of Nurimisaki and Sashigane
Chuzo IWAMOTO Tatsuya IDE 
Publication:   
Publication Date: 2020/10/01
Vol. E103-A  No. 10 ; pp. 1183-1192
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: complexity theory
Keyword: 
NurimisakiSashiganepencil puzzleNP-complete
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Polynomial-Time Reductions from 3SAT to Kurotto and Juosan Puzzles
Chuzo IWAMOTO Tatsuaki IBUSUKI 
Publication:   
Publication Date: 2020/03/01
Vol. E103-D  No. 3 ; pp. 500-505
Type of Manuscript:  Special Section PAPER (Special Section on Foundations of Computer Science — Frontiers of Theory of Computation and Algorithm —)
Category: 
Keyword: 
KurottoJuosanpencil puzzleNP-complete
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Computational Complexity of Herugolf and Makaro
Chuzo IWAMOTO Masato HARUISHI Tatsuaki IBUSUKI 
Publication:   
Publication Date: 2019/09/01
Vol. E102-A  No. 9 ; pp. 1118-1125
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Puzzles
Keyword: 
HerugolfMakaropencil puzzleNP-complete
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Computational Complexity of Usowan Puzzles
Chuzo IWAMOTO Masato HARUISHI 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9 ; pp. 1537-1540
Type of Manuscript:  Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
Usowanpencil puzzleNP-complete
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Computational Complexity of Building Puzzles
Chuzo IWAMOTO Yuta MATSUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/06/01
Vol. E99-A  No. 6 ; pp. 1145-1148
Type of Manuscript:  Special Section LETTER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
building puzzlepencil puzzleNP-complete
 Summary | Full Text:PDF