Shikaku

Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

Video Tutorial

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This Month
1.	demian2	00:01.81
2.	IHNN1	00:03.08
3.	sfumato	00:03.44
4.	vowels	00:03.61
5.	qobi	00:03.74
6.	Chylllz	00:03.79
7.	funky	00:03.95
8.	PatrizioMN	00:04.24
9.	poepjes	00:04.26
10.	Geras	00:04.88
10.	micheru	00:04.88
12.	Ailurus	00:04.97
13.	PiMaster	00:05.12
14.	bestofriendo	00:05.23
15.	EmilXM	00:05.29
16.	Kyra05	00:05.37
17.	Extwwwbfj xisiuz	00:05.69
18.	DasKlaus	00:05.87
19.	GeorgPfleger	00:05.94
20.	chwen	00:06.04

This Week
1.	demian2	00:01.90
2.	IHNN1	00:03.08
3.	qobi	00:03.82
4.	sfumato	00:03.90
5.	funky	00:03.95
6.	poepjes	00:04.26
7.	PatrizioMN	00:04.32
8.	bestofriendo	00:05.23
9.	Kyra05	00:05.37
10.	DasKlaus	00:05.87
11.	GeorgPfleger	00:05.94
12.	chwen	00:06.04
13.	sigmaSYSU	00:06.11
14.	dbut2	00:06.32
15.	micheru	00:06.35
16.	floattube	00:06.49
17.	shinji	00:06.62
18.	Fedig	00:06.85
19.	Fastfaxer	00:06.87
20.	Paul5203	00:07.35

Today
1.	demian2	00:01.90
2.	sfumato	00:03.90
3.	PatrizioMN	00:04.32
4.	qobi	00:04.74
5.	GeorgPfleger	00:05.94
6.	chwen	00:06.04
7.	dbut2	00:06.32
8.	hsiaoshangjen	00:11.83
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	demian2	00:02.32
2.	sfumato	00:03.82
3.	IHNN1	00:04.12
4.	mtanzer	00:04.14
5.	million	00:04.28
6.	savebog	00:04.29
7.	Geras	00:04.31
8.	vowels	00:04.43
9.	qobi	00:04.44
10.	poepjes	00:04.72

AO5
1.	demian2	00:02.50
2.	sfumato	00:03.94
3.	savebog	00:04.29
4.	IHNN1	00:04.33
5.	mtanzer	00:04.59
6.	qobi	00:04.64
7.	vowels	00:04.68
8.	tuberculosis	00:04.78
9.	SirDiscalot	00:04.93
10.	poepjes	00:04.95

AO12
1.	demian2	00:02.86
2.	sfumato	00:04.46
3.	savebog	00:05.15
4.	IHNN1	00:05.22
5.	mtanzer	00:05.34
6.	qobi	00:05.47
7.	SirDiscalot	00:05.48
8.	tuberculosis	00:05.49
9.	vowels	00:05.52
10.	ichigo	00:05.54

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.709
3.	--- empty ---	--:--

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2021-09-18 21:52:11

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