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.	ectroverse	00:26.22
2.	Ming	00:34.28
3.	GeorgPfleger	00:37.77
4.	MooKnight	00:40.30
5.	kennethaw88	00:40.86
6.	rozer	00:41.19
7.	Lanmo	00:43.11
8.	Fluke	00:47.33
9.	HDXX123456789	00:48.12
10.	Truth-or-Peace	01:06.64
11.	cornstarch	01:09.37
12.	zeefluppe	01:10.08
13.	Jeepee	01:10.16
14.	roseiant	01:14.31
15.	strider2	01:18.92
16.	G VOLTT	01:25.77
17.	peclo	01:30.09
18.	BeateZ	01:30.11
19.	yosiaki	01:32.47
20.	ktlesser11	01:39.32

This Week
1.	Ming	00:34.28
2.	GeorgPfleger	00:37.77
3.	kennethaw88	00:40.86
4.	Lanmo	00:46.44
5.	HDXX123456789	00:48.12
6.	roseiant	01:14.31
7.	ktlesser11	01:39.32
8.	Praktisix	02:49.97
9.	jaripetteri	03:04.22
10.	AnonyMinor	03:43.35
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	GeorgPfleger	00:37.77
2.	Lanmo	00:46.44
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
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.	zahhydude1	00:17.66
2.	vowels	00:17.91
3.	demian2	00:19.43
4.	coolcoolguy65	00:19.84
5.	bearn	00:20.58
6.	Luke Pickett	00:24.19
7.	Icay	00:25.90
8.	numbrr	00:26.08
9.	DukeAmsterdam	00:27.03
10.	qqwref	00:27.25

AO5
1.	vowels	00:18.50
2.	zahhydude1	00:19.23
3.	demian2	00:21.11
4.	coolcoolguy65	00:21.75
5.	bearn	00:22.87
6.	Luke Pickett	00:25.48
7.	qqwref	00:26.32
8.	numbrr	00:27.47
9.	haramey	00:29.77
10.	sfumato	00:30.16

AO12
1.	vowels	00:22.07
2.	zahhydude1	00:24.21
3.	coolcoolguy65	00:25.09
4.	bearn	00:26.73
5.	numbrr	00:29.85
6.	Icay	00:31.14
7.	qqwref	00:32.21
8.	sfumato	00:33.58
9.	haramey	00:35.26
10.	qobi	00:36.53

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.871
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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2024-07-27 10:20:07

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