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BLOCKSUM is NP-Complete
被引:7
|作者:
Haraguchi, Kazuya
[1
]
Ono, Hirotaka
[2
]
机构:
[1] Ishinomaki Senshu Univ, Fac Sci & Engn, Dept Informat Technol & Elect, Ishinomaki, Miyagi 9868580, Japan
[2] Kyushu Univ, Fac Econ, Dept Econ Engn, Fukuoka 8128581, Japan
关键词:
NP-completeness;
combinatorial puzzle;
Latin square;
BLOCKSUM;
D O I:
10.1587/transinf.E96.D.481
中图分类号:
TP [自动化技术、计算机技术];
学科分类号:
0812 ;
摘要:
BLOCKSUM, also known as KEISANBLOCK in Japanese, is a Latin square filling type puzzle, such as Sudoku. In this paper, we prove that the decision problem whether a given instance of BLOCKSUM has a solution or not is NP-complete.
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页码:481 / 488
页数:8
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