Solutions for April Fools Day Contest 2023 (Collection)

#	User	Rating
1	tourist	4009
2	jiangly	3823
3	Benq	3738
4	Radewoosh	3633
5	jqdai0815	3620
6	orzdevinwang	3529
7	ecnerwala	3446
8	Um_nik	3396
9	ksun48	3390
10	gamegame	3386

#	User	Contrib.
1	cry	167
2	maomao90	163
2	Um_nik	163
4	atcoder_official	161
5	adamant	159
6	-is-this-fft-	158
7	awoo	157
8	TheScrasse	154
9	nor	153
9	Dominater069	153

Hi, I collected the solutions for the problems of April Fools Day Contest 2023. Before the official editorial being posted, we can discuss about the problems here.

P/s: The editorial was published.

1812A - Are You a Robot?

Solution

1812B - Was it Rated?

Solution

1812C - Digits

Solution

1812D - Trivial Conjecture

Solution

1812E - Not a Geometry Problem

Solution

1812F - Factorization

Solution

1812G - Colour Vision

Solution

1812H - Expected Twist

Solution

1812I - Mountain Climber

Solution

1812J - Unmysterious Language

Solution

Rev.	By	When	Δ	Comment
en8	thanhchauns2	2023-04-01 21:11:57	12
en7	thanhchauns2	2023-04-01 21:11:17	26
en6	thanhchauns2	2023-04-01 21:10:28	398
en5	thanhchauns2	2023-04-01 21:09:53	143
en4	thanhchauns2	2023-04-01 21:09:28	408
en3	thanhchauns2	2023-04-01 21:05:38	535
en2	thanhchauns2	2023-04-01 21:02:53	4	Tiny change: 'ubmit.\n\n[problem:1' -> 'ubmit.\n\n### [problem:1'
en1	thanhchauns2	2023-04-01 21:02:25	2000	Initial revision (published)

Rev.

Lang.

When

Comment

en8