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.	zahhydude1	00:01.58
2.	Geras	00:02.54
3.	lauraexbf	00:03.70
4.	PiMaster	00:03.74
5.	Georgi52	00:03.97
6.	Alex Feng	00:04.14
7.	UncraftedName	00:04.44
8.	Awake	00:04.52
9.	qobi	00:04.60
10.	ackbey	00:04.95
11.	prinsed	00:05.20
12.	GeorgPfleger	00:05.22
13.	XieTm	00:05.39
14.	dynesonne	00:05.40
14.	ScorpionMax	00:05.40
16.	turciaaIt	00:05.45
17.	Jaiven	00:05.47
18.	laura0106	00:05.58
18.	Richrrad	00:05.58
20.	Aurorarorarora	00:05.66

This Week
1.	lauraexbf	00:03.70
2.	PiMaster	00:03.74
3.	Georgi52	00:04.46
4.	Awake	00:04.52
5.	ackbey	00:04.95
6.	GeorgPfleger	00:05.22
7.	XieTm	00:05.39
8.	laura0106	00:05.58
9.	Richrrad	00:05.64
10.	Dorice	00:05.75
11.	dynesonne	00:06.06
12.	AsianDude	00:07.21
13.	G VOLTT	00:07.43
14.	Jesse Sturre	00:07.83
15.	Andrewpuzzle	00:08.12
16.	HANKLER	00:08.18
17.	banach	00:08.39
18.	tangning	00:08.43
19.	Megzarr	00:08.90
20.	PrincessLeia	00:10.66

Today
1.	ackbey	00:04.95
2.	GeorgPfleger	00:05.22
3.	dynesonne	00:07.03
4.	HANKLER	00:08.18
5.	PrincessLeia	00:10.66
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.	vowels	00:01.82
2.	zahhydude1	00:01.84
3.	nabi	00:02.07
4.	demian2	00:02.29
4.	BingBongBob	00:02.29
6.	qqwref	00:02.82
7.	sfumato	00:02.91
8.	jaybrainer	00:02.92
9.	jai22933	00:03.04
10.	Vicell	00:03.11

AO5
1.	vowels	00:01.94
2.	zahhydude1	00:01.95
3.	nabi	00:02.21
4.	BingBongBob	00:02.40
5.	demian2	00:02.44
6.	jaybrainer	00:02.98
7.	mtanzer	00:03.13
8.	Vicell	00:03.14
9.	sfumato	00:03.20
10.	jai22933	00:03.21

AO12
1.	vowels	00:02.27
2.	zahhydude1	00:02.30
3.	nabi	00:02.41
4.	demian2	00:02.86
5.	BingBongBob	00:02.88
6.	Vicell	00:03.30
7.	jaybrainer	00:03.51
7.	jai22933	00:03.51
9.	sfumato	00:03.64
10.	qqwref	00:03.73

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.709
3.	KoenDe3e	00:07.159

* 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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2023-09-22 21:13:37

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