Problem A
Jumbled Compass — Problem Statistics

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Submissions	9433
Accepted submissions	3897
Submission ratio	41.31%
Authors	3695
Accepted authors	3353
Author ratio	90.74%

#	User	Runtime	Language	Date
1	Ethan Clark	0.01 s	Bash	2024-10-03 01:56:15
2	Frans Meulenbroeks	0.01 s	Bash	2024-10-06 21:55:05
3	Russell Ng	0.01 s	Bash	2025-06-04 10:41:55
4	Chenzhang Hu	0.02 s	Bash	2024-06-24 18:31:39

#	User	Runtime	Language	Date
1	Björn Gunnarsson	0.01 s	C#	2016-10-10 12:22:48
2	Ugnius Skučas	0.02 s	C#	2016-10-08 20:09:49
3	Mesut Ekici	0.02 s	C#	2016-10-09 19:46:12
4	Duelene Olson	0.02 s	C#	2016-10-11 15:39:45
5	Adam Striegel	0.02 s	C#	2016-10-12 20:16:41
6	Jonathan Walker	0.02 s	C#	2016-10-13 16:40:47
7	Klas af Geijerstam	0.02 s	C#	2016-12-05 20:56:12
8	Hidden user	0.02 s	C#	2016-12-22 16:22:43
9	Khin Nyunt	0.02 s	C#	2017-02-05 05:42:56
10	Jens Mossig	0.02 s	C#	2017-02-14 21:41:37

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-04-15 13:29:56

#	User	Runtime	Language	Date
1	Christopher	0.01 s	Dart	2023-11-06 20:19:46

#	User	Runtime	Language	Date
1	David Vinje	0.03 s	F#	2022-09-09 19:36:25
2	Jacob Harris Cryer Kragh	0.03 s	F#	2022-10-22 09:53:15
3	Danyal Yorulmaz	0.06 s	F#	2022-09-09 17:27:08

#	User	Runtime	Language	Date
1	Tyler D Kelley	0.00 s	Go	2025-02-25 18:33:39
2	Alejandro Germain	0.07 s	Go	2018-11-02 21:17:27
3	Krzysztof Gibuła	0.07 s	Go	2019-03-16 12:47:13
4	Kasper Sacharias Roos Eenberg	0.08 s	Go	2016-10-12 20:33:29
5	Hussein Al Abry	0.08 s	Go	2017-02-25 16:12:02
6	Fikri Sundayana	0.08 s	Go	2017-10-27 20:15:27
7	Anthony Alves	0.08 s	Go	2018-02-10 20:50:19
8	James Robb	0.08 s	Go	2020-05-07 17:52:49
9	James Robb	0.08 s	Go	2020-05-12 12:10:23
10	Norbert Voelker	0.08 s	Go	2021-05-03 17:42:05

#	User	Runtime	Language	Date
1	Lars Tveito	0.00 s	Haskell	2016-10-09 22:48:01
2	David Wärn	0.00 s	Haskell	2016-10-19 13:45:58
3	Jan Hlavacek	0.00 s	Haskell	2016-10-31 02:12:00
4	Matthew Johnson	0.00 s	Haskell	2017-02-02 03:14:33
5	John Grzechowiak	0.00 s	Haskell	2017-03-22 15:40:04
6	James McDermott	0.00 s	Haskell	2017-08-02 10:49:41
7	Brent Yorgey	0.00 s	Haskell	2017-10-15 03:48:54
8	Li Jun	0.00 s	Haskell	2023-06-27 17:58:08
9	Rudy Matela	0.00 s	Haskell	2023-09-03 16:10:37
10	Abel Martin	0.01 s	Haskell	2017-03-11 20:00:09

#	User	Runtime	Language	Date
1	Peter Dahl Hæstrup	0.04 s	Java	2024-10-29 17:00:54
2	Daniel Meyer	0.04 s	Java	2024-11-02 16:17:43
3	Jessica	0.04 s	Java	2024-11-03 18:52:36
4	陈子晗	0.04 s	Java	2024-11-05 14:14:23
5	Luis Varona	0.04 s	Java	2025-07-18 01:34:59
6	Alexander Matheson	0.04 s	Java	2025-07-18 01:36:02
7	Amy Colpitts	0.04 s	Java	2025-07-18 02:03:05
8	Det kommutativa laget	0.05 s	Java	2016-10-08 11:06:38
9	Lars Lønne	0.05 s	Java	2016-10-08 11:18:59
10	Sune Ohrt Sørensen	0.05 s	Java	2016-10-08 11:27:00

#	User	Runtime	Language	Date
1	Hannes Töyrä	0.04 s	JavaScript (Node.js)	2024-08-31 15:42:00
2	Joel Szegedin	0.05 s	JavaScript (Node.js)	2018-12-27 18:15:20
3	Yonah Karp	0.05 s	JavaScript (Node.js)	2018-12-27 18:31:30
4	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-21 22:45:58
5	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-05-29 06:12:53
6	Dominika Dembska	0.05 s	JavaScript (Node.js)	2024-07-15 18:23:06
7	Laurits Bonde	0.09 s	JavaScript (Node.js)	2022-09-09 17:09:11
8	Lukas Lundblad	0.09 s	JavaScript (Node.js)	2023-09-19 11:58:18
9	Emma Högberg	0.09 s	JavaScript (Node.js)	2022-08-14 19:03:50
10	Jens Sjödin	0.09 s	JavaScript (Node.js)	2023-02-13 17:07:00

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-10-08 23:36:17
2	J M	0.01 s	JavaScript (SpiderMonkey)	2016-10-09 23:15:01
3	Hamza Waqas	0.01 s	JavaScript (SpiderMonkey)	2016-10-18 17:56:12
4	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-10-18 22:24:16
5	Sérgio Crisóstomo	0.01 s	JavaScript (SpiderMonkey)	2016-10-18 23:10:12
6	Tor Nordqvist	0.01 s	JavaScript (SpiderMonkey)	2016-11-08 13:45:52
7	Ionel Hindorean	0.01 s	JavaScript (SpiderMonkey)	2016-11-28 17:51:43
8	Alan Delaney	0.01 s	JavaScript (SpiderMonkey)	2017-04-10 13:35:21
9	Dilawar Mahmood	0.01 s	JavaScript (SpiderMonkey)	2018-01-27 18:59:14
10	Omar Al-Khashab	0.01 s	JavaScript (SpiderMonkey)	2018-04-25 06:17:16

#	User	Runtime	Language	Date
1	Timothy Gaede	0.54 s	Julia	2024-04-06 05:27:16
2	Danny Robinson	0.61 s	Julia	2023-10-06 06:35:40

#	User	Runtime	Language	Date
1	Sondre Nilsen	0.11 s	Kotlin	2021-04-08 14:20:21
2	Johnny Baloney	0.11 s	Kotlin	2021-12-01 23:22:28
3	Dayan Ruben Gonzalez	0.14 s	Kotlin	2020-09-27 23:28:58
4	Einar Kjellback	0.17 s	Kotlin	2020-08-19 11:22:58
5	Sergey Jakobsen	0.17 s	Kotlin	2021-10-10 01:21:58
6	Adam Rankin	0.18 s	Kotlin	2023-04-26 20:49:42
7	Zaw Myat	0.18 s	Kotlin	2024-02-01 17:48:56
8	Ravisai Tiruvuri	0.18 s	Kotlin	2024-03-21 08:24:56
9	Neil Harmon	0.19 s	Kotlin	2019-05-15 10:54:22
10	Troy Warmboe	0.20 s	Kotlin	2020-02-14 01:02:06

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2023-12-08 10:26:11

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2017-08-23 16:44:55
2	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-22 23:46:01

#	User	Runtime	Language	Date
1	Thomas Feld	0.00 s	Perl	2025-08-20 23:11:34

#	User	Runtime	Language	Date
1	Steven D. Wilson	0.01 s	PHP	2016-11-17 04:28:50
2	Anderson Palmeira	0.01 s	PHP	2018-05-04 22:32:55
3	Susanne Ragnemalm	0.01 s	PHP	2018-05-18 08:58:35
4	Trond Solsvik	0.01 s	PHP	2018-08-22 17:09:58
5	Jonas Lindenskov Nielsen	0.01 s	PHP	2019-10-14 17:03:52
6	Savvas Alexandrou	0.01 s	PHP	2019-12-23 22:54:04

#	User	Runtime	Language	Date
1	Hadi Qovaizi	0.01 s	Prolog	2016-12-17 22:23:57
2	Rickard Torén	0.01 s	Prolog	2018-09-24 15:48:53
3	Andriy Zyevakov	0.01 s	Prolog	2019-04-30 14:36:56

#	User	Runtime	Language	Date
1	Didrik Rokhaug	0.02 s	Python 2	2016-10-08 11:24:02
2	Tormod Ryeng	0.02 s	Python 2	2016-10-08 11:28:43
3	Vilius Ciuzelis	0.02 s	Python 2	2016-10-08 11:35:37
4	Christofer Ohlsson	0.02 s	Python 2	2016-10-08 11:35:47
5	Simen Been	0.02 s	Python 2	2016-10-08 12:11:03
6	Mostly Bob	0.02 s	Python 2	2016-10-08 12:24:28
7	Christian Resell	0.02 s	Python 2	2016-10-08 12:39:22
8	Adam Sahlin	0.02 s	Python 2	2016-10-08 12:47:33
9	Hans Petter Kragset	0.02 s	Python 2	2016-10-08 12:55:03
10	Sigurd Berglann	0.02 s	Python 2	2016-10-08 13:05:32

#	User	Runtime	Language	Date
1	Christian Lindeström	0.02 s	Python 3	2016-10-08 11:24:55
2	Sergei Smolianinov	0.02 s	Python 3	2016-10-08 11:31:08
3	Vegard Seim Karstang	0.02 s	Python 3	2016-10-08 11:32:03
4	Torstein Strømme	0.02 s	Python 3	2016-10-08 11:38:41
5	Iver Egge	0.02 s	Python 3	2016-10-08 11:42:59
6	Espen Haugsdal	0.02 s	Python 3	2016-10-08 11:45:29
7	Sondre Brekke	0.02 s	Python 3	2016-10-08 11:52:28
8	Dennis Svedberg	0.02 s	Python 3	2016-10-08 12:04:43
9	Vemund Santi	0.02 s	Python 3	2016-10-08 12:06:59
10	Vegard Stikbakke	0.02 s	Python 3	2016-10-08 12:16:12

#	User	Runtime	Language	Date
1	Casper Christensen	0.03 s	Ruby	2016-10-09 00:32:23
2	Erik Rydbert	0.03 s	Ruby	2016-10-18 05:06:10
3	Martin Larsson	0.03 s	Ruby	2017-03-04 12:38:21
4	Matthew Clemons	0.03 s	Ruby	2018-01-13 20:26:25
5	Hidden user	0.04 s	Ruby	2018-09-21 22:42:29
6	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-11-25 13:25:07
7	Kok Dith	0.05 s	Ruby	2021-08-25 14:22:11
8	Marie Cornellier	0.05 s	Ruby	2021-09-02 23:48:16
9	Yusuke Ichiki	0.05 s	Ruby	2022-04-15 11:26:01
10	Andreas Severin Hauch Trøstrup	0.05 s	Ruby	2022-09-05 13:40:45

#	User	Runtime	Language	Date
1	Ali Shahwali	0.05 s	TypeScript	2024-01-20 18:11:26

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-06-24 18:31:39
2	Russell Ng	30	Bash	2025-06-04 10:41:55
3	Frans Meulenbroeks	67	Bash	2024-10-06 21:55:05
4	Ethan Clark	135	Bash	2024-10-03 01:56:15

#	User	Length	Language	Date
1	Minseok Son	74	C	2021-10-24 11:29:58
2	April Clark	168	C	2021-09-14 05:32:46
3	Adam Johansson	173	C	2022-12-13 09:07:32
4	Hidden user	179	C	2023-04-19 09:53:48
5	Ivan Petrov	185	C	2019-05-27 16:08:33
6	Olle Eriksson	200	C	2016-11-13 22:43:02
7	moto	205	C	2022-04-23 17:12:41
8	PhilCampbell	207	C	2021-02-22 18:32:48
9	Anton Haglund	211	C	2016-11-19 19:01:32
10	a_b__c	212	C	2021-01-27 17:49:34

#	User	Length	Language	Date
1	Anthony Ye	301	C#	2023-04-23 18:26:25
2	Max Nylander	315	C#	2017-07-31 17:03:54
3	Göran Andersson	361	C#	2022-05-16 20:42:22
4	Vicky Irmawan	371	C#	2020-07-22 11:38:25
5	Mesut Ekici	379	C#	2016-10-09 19:46:12
6	Klas af Geijerstam	412	C#	2016-12-05 20:56:47
7	Jonas Røssum	443	C#	2022-09-09 18:02:35
8	Esty Crow	456	C#	2023-04-20 02:19:33
9	Gustav Junedahl	464	C#	2022-04-25 12:55:53
10	Thomas Norris	471	C#	2019-11-01 17:34:40

#	User	Length	Language	Date
1	Frans Meulenbroeks	101	C++	2024-10-06 21:51:53
2	Tyler Fernando	119	C++	2022-11-05 14:18:26
3	Johan Wind	128	C++	2017-05-13 18:57:11
4	YanHao Ling	143	C++	2018-01-09 08:20:04
5	Fengyang Wang	149	C++	2018-09-28 19:39:34
6	Márton Krauter	150	C++	2023-07-24 03:11:19
7	Zane Yu	153	C++	2017-01-13 10:16:25
8	Jalvin Chan Jia Xiang	165	C++	2020-01-10 09:53:56
9	Goh Aik Wee	166	C++	2017-09-14 20:19:21
10	Anh Do Quang	166	C++	2019-11-15 05:26:32

#	User	Length	Language	Date
1	David Cawthon	199	Common Lisp	2019-04-15 13:29:56

#	User	Length	Language	Date
1	Christopher	643	Dart	2023-11-06 20:19:46

#	User	Length	Language	Date
1	David Vinje	332	F#	2022-09-17 11:47:18
2	Danyal Yorulmaz	554	F#	2022-09-09 17:27:08
3	Jacob Harris Cryer Kragh	690	F#	2022-10-22 09:53:15

#	User	Length	Language	Date
1	Hussein Al Abry	367	Go	2017-02-25 16:12:02
2	Krzysztof Gibuła	400	Go	2019-03-16 12:47:13
3	Lukas L. Hjelmstrand	420	Go	2021-09-16 10:48:05
4	Fikri Sundayana	489	Go	2017-10-27 20:15:27
5	Kasper Sacharias Roos Eenberg	539	Go	2016-10-12 20:33:29
6	Anthony Alves	544	Go	2018-02-10 20:50:19
7	Emil Houlborg	554	Go	2021-09-16 09:16:35
8	Hidden user	555	Go	2021-09-24 17:38:41
9	Alejandro Germain	677	Go	2018-11-02 21:17:27
10	Lasse Faurby Klausen	729	Go	2021-09-17 10:09:24

#	User	Length	Language	Date
1	Li Jun	198	Haskell	2023-06-27 17:58:08
2	David Wärn	203	Haskell	2016-10-19 13:45:58
3	Jahid Hasan	210	Haskell	2020-10-17 10:29:45
4	Jahid Hasan Imon	210	Haskell	2020-10-17 10:30:41
5	Øyvind Almli	244	Haskell	2021-09-22 23:56:19
6	Birk Tjelmeland	254	Haskell	2018-08-29 16:44:31
7	Lars Tveito	267	Haskell	2016-10-09 22:48:01
8	Emil Østergaard	276	Haskell	2020-10-08 20:53:05
9	Jan Hlavacek	304	Haskell	2016-10-31 02:12:00
10	Brent Yorgey	309	Haskell	2017-10-15 03:48:54

#	User	Length	Language	Date
1	Markus Sværke Staael	137	Java	2023-09-11 09:49:36
2	Phi Va Lo	137	Java	2023-10-01 12:27:17
3	Hidden user	166	Java	2022-09-09 16:27:24
4	Amon Al-khatib	276	Java	2016-10-23 00:48:01
5	Housam Ghannoum	278	Java	2018-06-29 16:34:58
6	Patrik Hörnqvist	281	Java	2016-10-10 14:37:06
7	Natalie Axelsson	285	Java	2017-09-19 13:07:24
8	Seba Villalobos	291	Java	2019-11-03 21:24:37
9	Xuehui Chen	302	Java	2018-07-09 02:24:21
10	Alex Coleman	313	Java	2017-03-02 19:43:40

#	User	Length	Language	Date
1	Sönke Schümann	423	JavaScript (Node.js)	2020-11-10 15:16:42
2	Jens Sjödin	505	JavaScript (Node.js)	2023-02-13 17:07:00
3	Anders Vrethem	541	JavaScript (Node.js)	2019-09-03 11:28:11
4	Emil Clemedson	564	JavaScript (Node.js)	2021-08-06 22:36:18
5	Guhan Sundararajan	570	JavaScript (Node.js)	2020-03-31 07:56:28
6	Dominika Dembska	575	JavaScript (Node.js)	2024-07-15 18:23:06
7	Lukas Lundblad	606	JavaScript (Node.js)	2023-09-19 11:58:18
8	NILALOHITA PANIGRAHI	644	JavaScript (Node.js)	2021-03-22 21:27:35
9	Niamh Limerick	709	JavaScript (Node.js)	2022-03-18 14:26:09
10	Howard Tin Chi Chan	716	JavaScript (Node.js)	2021-03-05 11:06:37

#	User	Length	Language	Date
1	Jimmy Gustafsson	56	JavaScript (SpiderMonkey)	2024-07-27 20:41:48
2	Peter Menyes	138	JavaScript (SpiderMonkey)	2021-09-18 17:18:30
3	Tor Nordqvist	147	JavaScript (SpiderMonkey)	2016-11-08 13:45:52
4	J M	169	JavaScript (SpiderMonkey)	2016-10-09 23:15:01
5	Håkon Trandal	181	JavaScript (SpiderMonkey)	2018-08-22 17:06:07
6	Sérgio Crisóstomo	184	JavaScript (SpiderMonkey)	2016-10-18 23:10:12
7	Bjørn Chr. Soltvedt	192	JavaScript (SpiderMonkey)	2016-10-18 22:24:16
8	Christian Cederquist	192	JavaScript (SpiderMonkey)	2023-01-29 10:06:27
9	Peter Kedemo	201	JavaScript (SpiderMonkey)	2016-10-08 23:36:17
10	Guhan Sundararajan	220	JavaScript (SpiderMonkey)	2020-04-01 06:13:05

#	User	Length	Language	Date
1	Danny Robinson	63	Julia	2023-10-06 06:35:40
2	Timothy Gaede	265	Julia	2024-04-06 05:27:16

#	User	Length	Language	Date
1	Sergey Jakobsen	252	Kotlin	2021-10-10 01:21:58
2	Troy Warmboe	302	Kotlin	2020-02-14 01:02:06
3	Zaw Myat	409	Kotlin	2024-02-01 17:48:56
4	Dayan Ruben Gonzalez	413	Kotlin	2020-09-27 23:28:58
5	Einar Kjellback	544	Kotlin	2020-08-19 11:22:58
6	Sondre Nilsen	577	Kotlin	2021-04-08 14:20:21
7	Neil Harmon	707	Kotlin	2019-05-15 10:54:22
8	Johnny Baloney	877	Kotlin	2021-12-01 23:22:28
9	Adam Rankin	916	Kotlin	2023-04-26 20:49:42

#	User	Length	Language	Date
1	Zeheng Li	94	Lua	2023-12-08 10:26:11

#	User	Length	Language	Date
1	Ingemar Ragnemalm	185	Pascal	2019-07-08 11:31:47
2	David Connolly	339	Pascal	2017-08-23 16:44:55

#	User	Length	Language	Date
1	Thomas Feld	25	Perl	2025-08-20 23:11:34

#	User	Length	Language	Date
1	Anderson Palmeira	222	PHP	2018-05-04 22:32:55
2	Steven D. Wilson	255	PHP	2016-11-17 04:28:50
3	Susanne Ragnemalm	265	PHP	2018-05-18 08:58:35
4	Trond Solsvik	348	PHP	2018-08-22 17:09:58
5	Jonas Lindenskov Nielsen	379	PHP	2019-10-14 17:03:52
6	Savvas Alexandrou	1790	PHP	2019-12-23 22:54:04

#	User	Length	Language	Date
1	Andriy Zyevakov	363	Prolog	2019-04-30 14:36:56
2	Rickard Torén	1278	Prolog	2018-09-24 15:48:53
3	Hadi Qovaizi	6548	Prolog	2016-12-17 22:23:57

#	User	Length	Language	Date
1	Johan Lyts	82	Python 2	2019-08-12 14:08:05
2	Thomas Feld	84	Python 2	2019-08-21 15:05:00
3	Sigurður Jens Albertsson	93	Python 2	2017-11-21 02:04:47
4	Lars Åström	94	Python 2	2018-10-19 19:01:29
5	Andreas Björklund	95	Python 2	2019-03-20 19:40:45
6	Haggai Liu	97	Python 2	2017-01-05 22:27:25
7	Mathis Hammel	101	Python 2	2017-01-24 00:07:21
8	Hubert Teo	102	Python 2	2017-02-20 20:50:26
9	Tormod Ryeng	107	Python 2	2016-10-08 11:28:43
10	Peter Sofronas	123	Python 2	2017-01-28 00:19:52

#	User	Length	Language	Date
1	Jaydan Aladro	45	Python 3	2025-05-24 02:42:29
2	Asger Hautop Drewsen	49	Python 3	2018-11-24 22:07:03
3	Lawry Sorenson	50	Python 3	2024-01-26 17:48:09
4	Torstein Strømme	51	Python 3	2016-10-08 11:38:41
5	Niklas Lav	55	Python 3	2020-10-27 10:13:39
6	Kasper Berthelsen	65	Python 3	2022-10-04 17:30:41
7	David Aldenbro	71	Python 3	2025-08-25 09:43:08
8	Rick May	72	Python 3	2017-01-25 22:41:06
9	Eduardo Vicente Petry	72	Python 3	2023-03-14 14:48:46
10	Tai Tze Kin	72	Python 3	2024-05-05 20:31:35

#	User	Length	Language	Date
1	Thomas Feld	35	Ruby	2025-08-20 23:12:16
2	Frederik Petersen	44	Ruby	2022-09-05 14:29:57
3	Frederik Spang	56	Ruby	2022-09-05 18:36:09
4	Andreas Severin Hauch Trøstrup	99	Ruby	2022-09-05 13:40:45
5	Hidden user	101	Ruby	2018-09-21 22:42:29
6	Hidden user	137	Ruby	2023-04-18 08:38:03
7	Erik Rydbert	145	Ruby	2016-10-18 05:06:10
8	Kok Dith	145	Ruby	2021-08-25 14:22:11
9	Yusuke Ichiki	166	Ruby	2022-04-15 11:26:01
10	Martin Larsson	175	Ruby	2017-03-04 12:38:21

#	User	Length	Language	Date
1	Andrea Cattaneo	388	Rust	2024-04-06 23:28:38
2	Hidden user	449	Rust	2025-03-10 14:56:25
3	Freek van Keulen	462	Rust	2022-05-22 08:23:51
4	Bas Dirks	661	Rust	2022-01-06 20:58:51
5	jaswanth	668	Rust	2024-03-12 15:14:45
6	David Zacek	699	Rust	2021-07-14 00:12:14
7	Isak Jägberg	707	Rust	2024-11-11 15:25:18
8	藤原潮人	837	Rust	2023-04-18 09:13:29
9	Alice Ryhl	857	Rust	2022-09-09 16:28:34
10	Nikoline Olander Rasmussen	889	Rust	2022-09-09 18:28:00

#	User	Length	Language	Date
1	Ali Shahwali	671	TypeScript	2024-01-20 18:11:26

Solution running time distribution