Shakashaka (シャカシャカ) is a logic puzzle developed by publisher Nikoli. The objective is to fill the white squares in a given grid with a pattern of… (More)

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2016

2016

When analyzing the computational complexity of well-known puzzles, most papers consider the algorithmic challenge of solving a… (More)

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2015

2015

Shakashaka, like Sudoku, is a pencil-and-paper puzzle. In this paper we show that Shakashaka is NP-complete in the case of… (More)

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2014

2014

- Erik D. DEMAINE†a, Yoshio OKAMOTO††b, Ryuhei UEHARA†††c
- 2014

SUMMARY Shakashaka is a pencil-and-paper puzzle proposed by Guten and popularized by the Japanese publisher Nikoli (like Sudoku… (More)

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2013

2013

- Erik D. Demaine, Yoshio Okamoto, Ryuhei Uehara, Yushi Uno
- CCCG
- 2013

Shakashaka is a pencil-and-paper puzzle proposed by Guten and popularized by the Japanese publisher Nikoli (like Sudoku). We… (More)

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2013

2013

- Alla Shaffer
- CCCG
- 2013

Session 1A Session 1B 10:00 10:25 Weighted Straight Skeletons In The Plane Morpion Solitaire 5D: a new upper bound of 121 on the… (More)

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