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.	numbrr	00:28.08
2.	ectroverse	00:37.52
3.	Yuyinraoliang	00:38.08
4.	GeorgPfleger	00:55.38
5.	Lanmo	00:56.43
6.	cinnamonbun22	01:03.37
7.	Ming	01:06.83
8.	kennethaw88	01:07.74
9.	MooKnight	01:23.01
10.	cornstarch	01:48.85
11.	Skutti	02:03.07
12.	Fluke	02:15.89
13.	Vasek Dousa	02:20.28
14.	BeateZ	02:27.22
15.	NeiloHarrigano	02:43.65
16.	mblist1	02:45.56
17.	Pseudonym12	02:59.87
18.	Nanoulefou	03:32.64
19.	0mega	03:43.72
20.	shangdou	04:23.65

This Week
1.	numbrr	00:28.08
2.	Yuyinraoliang	00:38.08
3.	GeorgPfleger	00:55.38
4.	Lanmo	00:56.43
5.	kennethaw88	01:07.74
6.	Skutti	02:03.07
7.	NeiloHarrigano	02:43.65
8.	Pseudonym12	02:59.87
9.	Praktisix	06:06.51
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	GeorgPfleger	00:55.38
2.	Lanmo	00:56.43
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.	coolcoolguy65	00:29.49
2.	vowels	00:31.91
3.	bearn	00:35.40
4.	zahhydude1	00:35.59
5.	demian2	00:35.74
6.	numbrr	00:35.88
7.	sfumato	00:42.83
8.	Icay	00:42.93
9.	mtanzer	00:42.94
10.	qqwref	00:44.89

AO5
1.	vowels	00:31.91
2.	coolcoolguy65	00:32.96
3.	demian2	00:37.73
4.	zahhydude1	00:37.79
5.	numbrr	00:38.80
6.	bearn	00:38.87
7.	Icay	00:43.17
8.	sfumato	00:46.40
9.	qqwref	00:47.95
10.	mtanzer	00:48.68

AO12
1.	vowels	00:39.61
1.	coolcoolguy65	00:39.61
3.	zahhydude1	00:43.79
4.	bearn	00:44.46
5.	numbrr	00:48.35
6.	Icay	00:49.29
7.	mtanzer	00:54.07
8.	qqwref	00:56.08
9.	DukeAmsterdam	01:00.17
10.	hoodxxc	01:01.78

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.957
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 10:48:22

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