Keyword : pencil puzzle


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
 Summary | Full Text:PDF(428KB)

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(774.9KB)