Problem A
Sideways Sorting — Problem Statistics

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Submissions	4243
Accepted submissions	2292
Submission ratio	54.02%
Authors	2074
Full solves [?]	1914
Full solve Ratio	92.29%

#	User	Runtime	Language	Date
1	Jay Hal	0.02 s	C#	2016-02-19 23:59:23
2	Posiel	0.02 s	C#	2017-11-06 20:30:27
3	Raja Sanjeev Kumar Nakka	0.03 s	C#	2016-06-30 16:45:52
4	Robert Low	0.03 s	C#	2016-07-28 09:12:34
5	Klas af Geijerstam	0.03 s	C#	2018-04-16 18:06:25
6	Tom Ilestrand	0.03 s	C#	2019-02-27 19:04:09
7	Jacob Nicholas Beland	0.03 s	C#	2020-12-19 05:55:52
8	Leo Carlen	0.04 s	C#	2019-11-01 15:55:18
9	Sebastian Sternberg	0.05 s	C#	2021-03-09 12:05:42
10	Mikael Fiala-Lundström	0.05 s	C#	2021-06-09 12:15:25

#	User	Runtime	Language	Date
1	David Cawthon	0.03 s	Common Lisp	2019-05-12 18:00:01

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2022-12-15 19:16:09

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-05-22 22:48:53

#	User	Runtime	Language	Date
1	Patrik Lilja	0.00 s	Haskell	2016-05-01 19:04:51
2	Blake Hyde	0.00 s	Haskell	2016-06-10 15:03:32
3	Johan Meier	0.00 s	Haskell	2016-12-28 17:17:09
4	Anthony Clays	0.00 s	Haskell	2017-04-18 10:58:38
5	Brent Yorgey	0.00 s	Haskell	2017-10-24 12:51:04
6	Qi Ji	0.00 s	Haskell	2018-06-24 19:24:19
7	Hidden user	0.00 s	Haskell	2022-12-11 00:11:03
8	Brandon Tang	0.00 s	Haskell	2023-05-20 11:08:23
9	Steinar Simonnes	0.00 s	Haskell	2024-02-27 19:23:03
10	Erik Tjøswold	0.01 s	Haskell	2019-01-12 18:47:23

#	User	Runtime	Language	Date
1	Nguyễn Mạnh Phúc	0.06 s	Java	2016-08-03 06:28:36
2	Đỗ Duy Tân	0.06 s	Java	2016-08-03 09:44:22
3	Raffles Andrison	0.06 s	Java	2018-11-07 16:53:23
4	Chen Caijie	0.06 s	Java	2018-11-10 11:43:40
5	Parama Roy Poja	0.06 s	Java	2024-10-03 13:08:54
6	Hidden user	0.06 s	Java	2025-09-26 10:57:26
7	Terrence Park	0.07 s	Java	2016-02-21 08:53:12
8	Ross Sowell	0.07 s	Java	2016-06-28 21:59:01
9	Erik Baalhuis	0.07 s	Java	2016-08-03 18:12:36
10	Nick Wu	0.07 s	Java	2016-08-06 20:46:36

#	User	Runtime	Language	Date
1	Dag Jomar Mersland	0.08 s	JavaScript (Node.js)	2019-04-06 21:05:49
2	Quinn Flavel	0.42 s	JavaScript (Node.js)	2020-09-30 00:33:41
3	Matthew Montoni-Till	0.43 s	JavaScript (Node.js)	2020-02-28 04:25:35
4	Chris Wong	0.43 s	JavaScript (Node.js)	2022-01-17 13:28:59
5	Andoko Chandra	0.45 s	JavaScript (Node.js)	2020-10-22 19:27:45

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-04-12 02:57:42
2	Hà Minh Ngọc	0.01 s	JavaScript (SpiderMonkey)	2016-07-27 16:53:40
3	Hidden user	0.01 s	JavaScript (SpiderMonkey)	2016-08-03 05:54:23
4	Michael Laszlo	0.01 s	JavaScript (SpiderMonkey)	2016-10-04 22:50:27
5	Zachary DeStefano	0.01 s	JavaScript (SpiderMonkey)	2018-01-30 23:36:44
6	Peter Kedemo	0.02 s	JavaScript (SpiderMonkey)	2016-02-27 17:45:53
7	J M	0.02 s	JavaScript (SpiderMonkey)	2016-11-09 02:34:59
8	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-10-15 14:09:20
9	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-03-01 19:48:54
10	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-08-21 20:49:09

#	User	Runtime	Language	Date
1	Timothy Gaede	0.68 s	Julia	2024-05-19 04:43:56

#	User	Runtime	Language	Date
1	Johnny Baloney	0.22 s	Kotlin	2022-01-03 21:03:13
2	Marcin Wiśniowski	0.23 s	Kotlin	2017-11-15 16:37:00
3	Ola Sundell	0.23 s	Kotlin	2018-09-03 10:29:41
4	Zaw Myat	0.26 s	Kotlin	2024-01-17 10:09:24
5	Kim Stephen Bovim	0.27 s	Kotlin	2021-02-18 15:34:09
6	Adam Koprowski	0.28 s	Kotlin	2020-08-20 13:39:58
7	Dayan Ruben Gonzalez	0.29 s	Kotlin	2020-10-03 22:11:27
8	Ole-Martin Mørk	0.29 s	Kotlin	2021-02-18 16:20:17
9	Einar Kristiansen	0.29 s	Kotlin	2022-02-21 12:33:48
10	Neil Harmon	0.31 s	Kotlin	2019-05-23 10:39:58

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2025-09-09 13:49:28

#	User	Runtime	Language	Date
1	Silvena Lam	0.01 s	PHP	2017-07-08 10:04:02

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.06 s	Prolog	2016-11-25 09:03:27

#	User	Runtime	Language	Date
1	Dobromir Yordanov	0.03 s	Python 2	2016-11-19 21:18:04
2	Christofer Ohlsson	0.04 s	Python 2	2016-01-17 00:25:26
3	Urban Pettersson	0.04 s	Python 2	2016-01-25 19:20:46
4	Jeff Robertson	0.04 s	Python 2	2016-10-08 03:14:42
5	Cole Bite	0.04 s	Python 2	2017-05-03 23:21:22
6	Çağdaş Öztekin	0.04 s	Python 2	2017-09-18 21:19:03
7	Joshua Osterhus	0.04 s	Python 2	2017-10-03 19:58:38
8	Kristin Farris	0.04 s	Python 2	2018-01-23 07:42:56
9	Easton Bornemeier	0.04 s	Python 2	2018-01-23 07:43:25
10	Tomas Alvarez	0.04 s	Python 2	2018-02-22 18:25:44

#	User	Runtime	Language	Date
1	Nathan Collins	0.02 s	Python 3	2016-05-19 14:36:43
2	Zach Goldthorpe	0.02 s	Python 3	2016-10-04 01:53:08
3	Vincent Zhang	0.02 s	Python 3	2016-10-04 19:20:39
4	Sam Henry	0.02 s	Python 3	2016-10-31 23:10:24
5	Christian Lindeström	0.02 s	Python 3	2016-11-25 16:38:30
6	Wayne	0.02 s	Python 3	2016-12-19 12:29:34
7	David Brink	0.02 s	Python 3	2017-02-18 11:59:15
8	vance	0.02 s	Python 3	2017-03-02 12:55:33
9	Ram Basnet	0.02 s	Python 3	2017-03-10 22:30:10
10	Ciara Godwin	0.02 s	Python 3	2017-03-20 23:24:21

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-03-15 14:07:35
2	Oleg Smelov	0.05 s	Ruby	2019-02-23 22:12:32
3	Hidden user	0.05 s	Ruby	2019-11-27 13:36:43
4	Kok Dith	0.05 s	Ruby	2021-08-28 14:56:49
5	Thomas Feld	0.06 s	Ruby	2023-09-05 15:54:59
6	Clement Oh	0.06 s	Ruby	2023-11-11 11:41:23

#	User	Runtime	Language	Date
1	Sebastián Solari	0.00 s	Rust	2020-07-14 06:21:52
2	Bas Dirks	0.00 s	Rust	2022-01-06 15:43:31
3	Isak Jägberg	0.00 s	Rust	2023-03-23 13:47:00
4	Reis Faar	0.00 s	Rust	2023-05-08 21:20:00
5	Egor Kulikov	0.00 s	Rust	2025-02-07 13:18:25
6	Vincent Lagerros	0.00 s	Rust	2025-06-08 23:30:30
7	Joe Blower	0.00 s	Rust	2025-12-17 02:21:10
8	David Rasch	0.01 s	Rust	2021-02-05 16:38:41

#	User	Runtime	Language	Date
1	David Kozel	0.06 s	TypeScript	2026-01-17 03:52:03

#	User	Length	Language	Date
1	Mikael K Eriksson	724	C	2021-04-05 12:59:03
2	Julian Duniec	863	C	2023-09-18 17:10:25
3	Mirel Cosulschi	867	C	2022-11-19 08:15:10
4	Sami Al Chalati	1074	C	2024-09-27 21:25:09
5	Velvet	1115	C	2020-12-16 13:00:47
6	Naveen Kumar S	1175	C	2025-03-29 08:31:12
7	pengin	1186	C	2021-08-19 14:24:22
8	Hidden user	1251	C	2017-11-19 06:15:13
9	Shriraam U V	1261	C	2025-03-31 05:13:49
10	Đinh Phạm Đăng Khoa	1297	C	2016-03-15 12:11:23

#	User	Length	Language	Date
1	Klas af Geijerstam	909	C#	2018-04-16 18:06:25
2	Göran Andersson	1348	C#	2022-05-21 05:35:28
3	Raja Sanjeev Kumar Nakka	1580	C#	2016-06-30 16:45:52
4	Tom Ilestrand	1655	C#	2019-02-27 19:04:09
5	Robert Low	1705	C#	2016-07-28 09:12:34
6	Sebastian Sternberg	1737	C#	2021-03-09 12:05:42
7	Umar Rasyid	1878	C#	2025-07-01 00:53:23
8	samvid mistry	2237	C#	2024-12-26 18:52:37
9	Leo Carlen	2301	C#	2019-11-01 15:55:18
10	Deci Bel	2399	C#	2025-04-27 15:19:18

#	User	Length	Language	Date
1	William Gan	507	C++	2017-02-27 10:11:57
2	Saad Tahmid	513	C++	2023-12-07 13:57:36
3	Markus Mathiasen	566	C++	2021-08-22 10:40:35
4	Chang Yuan	575	C++	2019-04-05 08:09:55
5	連若文	584	C++	2023-03-19 07:02:10
6	賴昱宏	585	C++	2019-06-02 18:19:12
7	Tan Teong Seng	586	C++	2021-02-14 03:52:06
8	Frederick Pek	594	C++	2021-06-26 10:03:53
9	Giahuy Pham	608	C++	2019-09-28 10:52:30
10	ChrysanthemumTea	609	C++	2024-06-03 11:48:21

#	User	Length	Language	Date
1	David Cawthon	859	Common Lisp	2019-05-12 18:00:01

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1231	F#	2022-12-15 19:16:27

#	User	Length	Language	Date
1	Norbert Voelker	1244	Go	2021-05-22 22:48:53

#	User	Length	Language	Date
1	Øyvind Almli	429	Haskell	2021-10-23 01:43:01
2	Anthony Clays	436	Haskell	2017-04-18 10:58:38
3	Aurélien Pepin	442	Haskell	2019-10-08 11:29:49
4	Qi Ji	464	Haskell	2018-06-24 19:24:19
5	Steinar Simonnes	520	Haskell	2024-02-27 19:23:03
6	Patrik Lilja	562	Haskell	2016-05-01 19:04:51
7	Blake Hyde	594	Haskell	2016-06-10 15:03:32
8	Johan Meier	654	Haskell	2016-12-28 17:17:09
9	Jan Hrček	683	Haskell	2021-03-24 07:15:02
10	Brandon Tang	688	Haskell	2023-05-20 11:08:23

#	User	Length	Language	Date
1	Duncan Page	721	Java	2017-11-30 23:47:33
2	Jonatan Nougbele	759	Java	2017-05-08 13:56:22
3	Brandon Diaz	802	Java	2018-02-21 23:58:11
4	Miller Duke	821	Java	2019-01-27 02:46:38
5	Tú Huỳnh	841	Java	2016-08-03 04:10:01
6	Ruhan Goltay	841	Java	2021-11-12 20:19:07
7	TestingFunny	859	Java	2018-07-25 08:21:06
8	Thomas Barnette	864	Java	2018-01-23 00:06:04
9	Bradford Regeski	905	Java	2017-04-12 00:59:18
10	Kyar Nyo Aye	924	Java	2018-03-23 07:23:19

#	User	Length	Language	Date
1	Quinn Flavel	633	JavaScript (Node.js)	2020-09-30 00:33:41
2	Chris Wong	1323	JavaScript (Node.js)	2022-01-17 13:28:59
3	Matthew Montoni-Till	1358	JavaScript (Node.js)	2020-02-28 04:25:35
4	Andoko Chandra	1478	JavaScript (Node.js)	2020-10-22 19:27:45
5	Dag Jomar Mersland	2476	JavaScript (Node.js)	2019-04-06 21:05:49

#	User	Length	Language	Date
1	Jimmy Gustafsson	351	JavaScript (SpiderMonkey)	2024-08-21 20:49:09
2	Zach Tschetter	496	JavaScript (SpiderMonkey)	2023-05-22 03:07:21
3	Peter Menyes	557	JavaScript (SpiderMonkey)	2021-10-15 14:09:20
4	Bjørn Chr. Soltvedt	618	JavaScript (SpiderMonkey)	2016-04-12 02:57:42
5	Peter Kedemo	621	JavaScript (SpiderMonkey)	2016-02-27 17:45:53
6	Christian Pilegaard Cederquist	740	JavaScript (SpiderMonkey)	2023-03-01 19:48:54
7	Zachary DeStefano	758	JavaScript (SpiderMonkey)	2018-01-30 23:36:44
8	J M	770	JavaScript (SpiderMonkey)	2016-11-09 02:34:59
9	Hà Minh Ngọc	1089	JavaScript (SpiderMonkey)	2016-07-27 16:53:40
10	Hidden user	1089	JavaScript (SpiderMonkey)	2016-08-03 05:54:23

#	User	Length	Language	Date
1	Timothy Gaede	1418	Julia	2024-05-19 04:43:56

#	User	Length	Language	Date
1	Dayan Ruben Gonzalez	633	Kotlin	2020-10-03 22:11:27
2	Kim Stephen Bovim	744	Kotlin	2021-02-18 15:34:09
3	Adam Koprowski	818	Kotlin	2020-08-20 13:39:58
4	Adam Rankin	851	Kotlin	2023-09-02 19:07:32
5	Einar Kristiansen	922	Kotlin	2022-02-21 12:33:48
6	Ole-Martin Mørk	995	Kotlin	2021-02-18 16:20:17
7	Johnny Baloney	1179	Kotlin	2022-01-03 21:03:13
8	Zaw Myat	1323	Kotlin	2024-01-17 10:09:24
9	Marcin Wiśniowski	1331	Kotlin	2017-11-15 16:37:00
10	Neil Harmon	1754	Kotlin	2019-05-23 10:39:58

#	User	Length	Language	Date
1	David Connolly	1144	Pascal	2025-09-09 13:49:28

#	User	Length	Language	Date
1	Silvena Lam	1057	PHP	2017-07-08 10:04:02

#	User	Length	Language	Date
1	Andriy Zyevakov	2302	Prolog	2016-11-25 09:03:27

#	User	Length	Language	Date
1	Thomas Feld	193	Python 2	2019-09-11 16:51:39
2	Herbert Ilhan Tanujaya	310	Python 2	2019-05-11 17:31:06
3	Justin Su	341	Python 2	2019-10-04 01:19:45
4	Andreas Eisele	350	Python 2	2018-09-07 11:23:02
5	Lars Åström	366	Python 2	2018-11-06 11:37:41
6	Neal Zane	369	Python 2	2016-08-01 09:06:18
7	Lim Hong Hui Eugene	392	Python 2	2019-04-10 11:29:38
8	Hasan Ramezani	400	Python 2	2016-10-29 22:59:47
9	Hidden user	400	Python 2	2018-01-07 10:49:35
10	Jeff Robertson	405	Python 2	2016-10-08 03:14:42

#	User	Length	Language	Date
1	Si Jie Tan	156	Python 3	2026-01-14 09:51:20
2	Farzam Abrishami	171	Python 3	2024-02-17 02:04:47
3	Clement Oh	185	Python 3	2023-09-03 10:36:35
4	David Aldenbro	204	Python 3	2025-07-05 19:19:27
5	Tai Tze Kin	216	Python 3	2024-05-09 09:02:59
6	Jacob Raymond	218	Python 3	2019-11-16 06:43:02
7	Michael Goldwasser	221	Python 3	2024-09-13 08:23:09
8	Vedran Čačić	225	Python 3	2019-03-19 04:58:00
9	Bo Stokes	226	Python 3	2025-04-08 02:03:46
10	Elias Amha	242	Python 3	2019-11-28 06:46:29

#	User	Length	Language	Date
1	Thomas Feld	94	Ruby	2023-09-05 15:56:15
2	Clement Oh	181	Ruby	2023-11-11 11:41:23
3	Hidden user	227	Ruby	2019-11-27 13:36:43
4	Oleg Smelov	269	Ruby	2019-02-23 22:12:32
5	Kok Dith	343	Ruby	2021-08-28 14:56:49
6	Casper Christensen	466	Ruby	2016-03-15 14:07:35

#	User	Length	Language	Date
1	David Rasch	730	Rust	2021-02-05 16:38:41
2	Bas Dirks	1543	Rust	2022-01-06 15:43:31
3	Reis Faar	1605	Rust	2023-05-08 21:20:00
4	Sebastián Solari	1981	Rust	2020-07-14 06:21:52
5	Joe Blower	2251	Rust	2025-12-17 02:21:10
6	Isak Jägberg	2630	Rust	2023-03-23 13:47:00
7	Egor Kulikov	29250	Rust	2025-02-07 13:18:25
8	Vincent Lagerros	65738	Rust	2025-06-08 23:30:30

#	User	Length	Language	Date
1	David Kozel	1505	TypeScript	2026-01-17 03:52:03

Solution running time distribution