Problem I
Run-Length Encoding, Run! — Problem Statistics

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Submissions	6962
Accepted submissions	3693
Submission ratio	53.05%
Authors	3486
Accepted authors	3257
Author ratio	93.43%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-16 17:46:52

#	User	Runtime	Language	Date
1	Benjamin Bilbeau	0.02 s	C#	2018-10-17 18:53:58
2	Hans Maulwurf	0.02 s	C#	2018-10-22 18:20:24
3	Matthew Behnke	0.02 s	C#	2019-01-21 07:47:57
4	Eric Bäckhage	0.02 s	C#	2019-02-11 14:39:38
5	Marius Løkketangen	0.02 s	C#	2019-03-11 16:24:06
6	Michael Gulliksen	0.02 s	C#	2019-03-11 16:43:37
7	李陆屿	0.02 s	C#	2019-05-15 09:03:30
8	Fredrik Stigsson	0.02 s	C#	2019-05-22 10:41:02
9	Ludwig Hedeby	0.02 s	C#	2019-06-21 23:24:41
10	Thomas Norris	0.02 s	C#	2019-06-22 06:58:22

#	User	Runtime	Language	Date
1	David Cawthon	0.02 s	Common Lisp	2019-04-16 13:53:37
2	Hidden user	0.02 s	Common Lisp	2019-05-28 04:24:18

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.02 s	F#	2022-10-11 09:25:22

#	User	Runtime	Language	Date
1	Nicolai Hellesnes	0.00 s	Go	2023-06-17 21:28:31
2	Hidden user	0.02 s	Go	2023-02-12 05:13:31
3	Kellen Watt	0.07 s	Go	2018-11-28 21:44:13
4	Steven Deutekom	0.07 s	Go	2018-12-06 22:44:55
5	Krzysztof Gibuła	0.07 s	Go	2019-02-12 23:27:05
6	Daniel Harr	0.07 s	Go	2019-02-13 20:59:47
7	Ian Howell	0.07 s	Go	2019-04-23 18:38:09
8	Norbert Voelker	0.08 s	Go	2021-04-25 19:52:06

#	User	Runtime	Language	Date
1	Rudy Matela	0.00 s	Haskell	2024-04-24 11:18:21
2	Brent Yorgey	0.01 s	Haskell	2018-10-10 03:09:49
3	Llaurence Git	0.01 s	Haskell	2018-11-06 19:00:20
4	Håkon Flatval	0.01 s	Haskell	2018-11-29 03:26:57
5	Olle Eriksson	0.01 s	Haskell	2018-12-10 23:52:25
6	Ryan Yates	0.01 s	Haskell	2019-04-25 15:31:21
7	Hidden user	0.01 s	Haskell	2019-04-30 13:35:19
8	Matthew Johnson	0.01 s	Haskell	2019-05-15 02:39:14
9	Hidden user	0.01 s	Haskell	2019-08-14 12:48:01
10	Christian Leipe	0.01 s	Haskell	2019-08-14 14:34:41

#	User	Runtime	Language	Date
1	Axel Nilsson	0.04 s	Java	2024-08-23 12:27:47
2	Hidden user	0.04 s	Java	2025-04-06 19:10:14
3	Aldo Chow	0.05 s	Java	2018-10-06 18:12:08
4	Nathaniel Lahn	0.05 s	Java	2018-10-06 18:14:22
5	Finn Lidbetter	0.05 s	Java	2018-10-06 18:16:25
6	Ariana Herbst	0.05 s	Java	2018-10-06 18:18:18
7	James Black	0.05 s	Java	2018-10-06 18:24:03
8	Robert Slutsky	0.05 s	Java	2018-10-06 18:24:09
9	Charlie Zheng	0.05 s	Java	2018-10-06 18:26:43
10	Matthew Worley	0.05 s	Java	2018-10-06 18:28:49

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-31 18:46:30
2	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-28 12:02:36
3	William Andrea	0.05 s	JavaScript (Node.js)	2024-02-16 07:16:38
4	Hidden user	0.09 s	JavaScript (Node.js)	2022-06-28 18:22:20
5	Evan Coulson	0.41 s	JavaScript (Node.js)	2019-10-24 06:14:06
6	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-01 17:09:14
7	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-19 21:11:11
8	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-19 22:25:26
9	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-09 13:06:38

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2018-10-09 04:02:50
2	Bernard Perrin	0.02 s	JavaScript (SpiderMonkey)	2019-03-11 23:01:54
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-24 16:30:33
4	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-18 15:33:21
5	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-23 00:06:46
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-12 11:11:43
7	Zachary DeStefano	0.03 s	JavaScript (SpiderMonkey)	2019-10-13 13:45:44

#	User	Runtime	Language	Date
1	Danny Robinson	0.50 s	Julia	2023-06-22 00:27:32
2	Timothy Gaede	0.51 s	Julia	2024-04-26 04:46:40

#	User	Runtime	Language	Date
1	Marcus Stojcevich	0.15 s	Kotlin	2018-10-06 18:31:29
2	Gaurav Tyagi	0.15 s	Kotlin	2018-10-21 23:59:43
3	Adam Rankin	0.18 s	Kotlin	2023-05-10 22:12:04
4	Neil Harmon	0.19 s	Kotlin	2019-04-08 14:49:13
5	Dayan Ruben Gonzalez	0.19 s	Kotlin	2020-10-16 22:20:08
6	Zaw Myat	0.19 s	Kotlin	2024-01-16 01:56:05
7	axl	0.20 s	Kotlin	2019-08-16 11:34:45
8	Dmitry Shostak	0.20 s	Kotlin	2019-08-17 07:18:40
9	Ola Sundell	0.20 s	Kotlin	2019-08-19 14:12:08
10	Hidden user	0.21 s	Kotlin	2019-12-27 00:42:02

#	User	Runtime	Language	Date
1	Jess Smith	0.00 s	OCaml	2019-02-17 19:36:12

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-15 01:29:25

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-10-13 11:55:03

#	User	Runtime	Language	Date
1	Emil Riis Hansen	0.01 s	PHP	2018-10-29 14:08:06

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2018-11-12 16:42:55
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-15 18:58:31

#	User	Runtime	Language	Date
1	Tan Cheong Hsien	0.02 s	Python 2	2022-06-28 13:42:54
2	Aarnav Srinivasan	0.02 s	Python 2	2022-07-03 14:31:08
3	Ahmed Sabie	0.03 s	Python 2	2018-10-06 18:06:09
4	Aarav Singh	0.03 s	Python 2	2018-10-06 18:09:41
5	Jason Pham	0.03 s	Python 2	2018-10-06 18:09:43
6	Alex Zhao	0.03 s	Python 2	2018-10-06 18:12:07
7	Ethan Arnold	0.03 s	Python 2	2018-10-06 18:13:44
8	Zhilin Jiang	0.03 s	Python 2	2018-10-06 18:25:24
9	Jiazheng Zhao	0.03 s	Python 2	2018-10-06 18:27:24
10	Nicholas Lai	0.03 s	Python 2	2018-10-06 18:28:30

#	User	Runtime	Language	Date
1	James Dong	0.02 s	Python 3	2018-10-06 18:07:31
2	Sam Henry	0.02 s	Python 3	2018-10-06 18:07:37
3	Alex Meed	0.02 s	Python 3	2018-10-06 18:08:12
4	Kevin Chen	0.02 s	Python 3	2018-10-06 18:08:30
5	Noah Weninger	0.02 s	Python 3	2018-10-06 18:10:22
6	Sam Redmond	0.02 s	Python 3	2018-10-06 18:15:45
7	Patrick Klingler	0.02 s	Python 3	2018-10-06 18:15:55
8	Arvind Ramaswami	0.02 s	Python 3	2018-10-06 18:17:08
9	Jeremy Iden	0.02 s	Python 3	2018-10-06 18:17:13
10	Ryan Looney	0.02 s	Python 3	2018-10-06 18:18:00

#	User	Runtime	Language	Date
1	Miorel Palii	0.04 s	Ruby	2018-11-03 20:44:56
2	Nicholas Bell	0.04 s	Ruby	2019-02-13 07:15:31
3	Hidden user	0.04 s	Ruby	2019-02-26 11:09:49
4	Macdara mac an tSionnaigh	0.04 s	Ruby	2019-09-14 23:15:53
5	Conor O'Brien	0.05 s	Ruby	2022-03-22 22:10:29
6	Simon Lindbäck	0.06 s	Ruby	2023-02-09 09:45:39
7	Thomas Feld	0.07 s	Ruby	2023-02-28 13:05:39

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-16 17:46:52

#	User	Length	Language	Date
1	arda atci	491	C	2023-02-25 06:00:55
2	a_b__c	507	C	2021-02-06 19:59:31
3	Beixi Hovey	512	C	2018-10-11 13:25:59
4	Matthew Hartono	527	C	2022-10-24 12:11:31
5	Ximun Castoreo	544	C	2020-10-15 10:56:20
6	Donikon Fajar	548	C	2018-11-05 11:30:11
7	Emil Wihlander	577	C	2020-12-09 22:21:18
8	Ling Wen Jian	604	C	2018-12-25 18:26:28
9	Srikar Ganesh	614	C	2019-01-25 16:10:48
10	Julian Duniec	622	C	2023-09-10 10:10:36

#	User	Length	Language	Date
1	Alexander Hellstén	200	C#	2023-03-02 09:10:04
2	Ahmed Rafid Jawad Al-Faili Grillska Eskilstuna TEINF21	203	C#	2023-03-03 11:19:16
3	Simon Lindbäck	206	C#	2023-02-16 15:12:03
4	Alvin Gustafsson	399	C#	2025-01-17 12:14:28
5	Esty Crow	795	C#	2025-02-21 18:56:23
6	李陆屿	818	C#	2019-05-15 09:03:30
7	Göran Andersson	899	C#	2022-05-16 12:45:15
8	Marius Løkketangen	979	C#	2019-03-11 16:24:06
9	Esraa Alkarrash Grillska Eskilstuna TEINF23	1007	C#	2025-01-17 08:50:59
10	Thomas Norris	1042	C#	2019-06-22 06:58:22

#	User	Length	Language	Date
1	Zane Yu	364	C++	2018-12-31 04:59:47
2	Yen-Hsiang Chang	370	C++	2019-09-25 17:33:20
3	Kristoffer	398	C++	2019-03-11 16:38:54
4	Matthew Joseph Schallenkamp	399	C++	2019-01-25 03:24:38
5	Wen Li Looi	405	C++	2018-10-06 18:29:39
6	黃書擎	416	C++	2018-10-10 13:30:26
7	Rafif Musyaffa Indarto	417	C++	2025-04-16 06:40:52
8	Armen Andreasyan	420	C++	2018-11-15 12:57:47
9	Luis Murillo	422	C++	2019-03-17 07:48:24
10	Nastya	422	C++	2021-09-24 10:51:33

#	User	Length	Language	Date
1	Hidden user	853	Common Lisp	2019-05-28 04:24:18
2	David Cawthon	1055	Common Lisp	2019-04-16 13:53:37

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	838	F#	2022-10-11 09:25:22

#	User	Length	Language	Date
1	Kellen Watt	772	Go	2018-11-28 21:44:13
2	Krzysztof Gibuła	801	Go	2019-02-12 23:27:05
3	Ian Howell	814	Go	2019-04-23 18:38:09
4	Hidden user	856	Go	2023-02-12 05:13:31
5	Steven Deutekom	915	Go	2018-12-06 22:44:55
6	Norbert Voelker	1095	Go	2021-04-25 20:12:31
7	Daniel Harr	1268	Go	2019-02-13 20:59:47
8	Nicolai Hellesnes	1721	Go	2023-06-17 21:28:31

#	User	Length	Language	Date
1	Ryan Yates	294	Haskell	2019-04-25 15:31:21
2	Sebastian Banert	298	Haskell	2024-07-05 20:00:31
3	Llaurence Git	332	Haskell	2018-11-06 19:00:20
4	Rikke Aas	386	Haskell	2020-12-06 15:33:07
5	Steinar Simonnes	437	Haskell	2024-02-19 08:12:01
6	Øyvind Almli	457	Haskell	2021-10-27 14:49:47
7	Brent Yorgey	489	Haskell	2018-10-10 03:09:49
8	Rudy Matela	496	Haskell	2024-04-24 11:18:21
9	Andreas Ländle	499	Haskell	2020-06-22 17:48:08
10	Håkon Flatval	500	Haskell	2018-11-29 03:26:57

#	User	Length	Language	Date
1	Natalie Longtin	586	Java	2018-10-06 18:06:18
2	Meghan Lin	651	Java	2018-10-06 18:18:53
3	Jerónimo Almeida Rodríguez	657	Java	2021-04-06 19:40:11
4	Poe Poe	668	Java	2019-02-14 18:08:48
5	Aung Kyaw Moe	668	Java	2019-02-14 19:26:23
6	Steve Tate	682	Java	2018-10-06 18:25:53
7	Brennan Cleland	687	Java	2023-05-24 23:06:26
8	Peter Yu	692	Java	2019-10-02 04:16:12
9	Khant Sithu Zaw	737	Java	2019-02-12 11:19:14
10	Nanda Thant Sin	748	Java	2018-11-02 14:36:47

#	User	Length	Language	Date
1	Peter Kedemo	587	JavaScript (Node.js)	2020-01-01 17:09:14
2	Hidden user	924	JavaScript (Node.js)	2023-11-23 03:34:19
3	William Andrea	1009	JavaScript (Node.js)	2024-02-16 07:24:50
4	Hidden user	1051	JavaScript (Node.js)	2022-06-28 18:22:20
5	Howard Tin Chi Chan	1066	JavaScript (Node.js)	2021-02-19 21:11:11
6	Evan Coulson	1205	JavaScript (Node.js)	2019-10-24 06:14:06
7	Chris Wong	1407	JavaScript (Node.js)	2021-02-19 22:25:26
8	Andoko Chandra	1460	JavaScript (Node.js)	2020-10-09 13:06:38
9	Carl Sundvall	1575	JavaScript (Node.js)	2018-10-28 12:02:36

#	User	Length	Language	Date
1	Jimmy Gustafsson	228	JavaScript (SpiderMonkey)	2024-07-12 11:11:43
2	Peter Menyes	392	JavaScript (SpiderMonkey)	2021-08-24 16:30:33
3	Bjørn Chr. Soltvedt	400	JavaScript (SpiderMonkey)	2018-10-09 04:02:50
4	Zach Tschetter	430	JavaScript (SpiderMonkey)	2023-04-23 00:06:46
5	Zachary DeStefano	481	JavaScript (SpiderMonkey)	2019-10-13 13:45:44
6	Bernard Perrin	500	JavaScript (SpiderMonkey)	2019-03-11 23:01:54
7	Christian Cederquist	541	JavaScript (SpiderMonkey)	2023-01-18 15:33:21

#	User	Length	Language	Date
1	Danny Robinson	124	Julia	2023-06-22 00:32:47
2	Timothy Gaede	420	Julia	2024-04-26 04:46:40

#	User	Length	Language	Date
1	axl	647	Kotlin	2019-08-16 11:34:45
2	Hidden user	687	Kotlin	2019-12-27 00:42:02
3	Zaw Myat	696	Kotlin	2024-01-16 01:56:05
4	Dayan Ruben Gonzalez	703	Kotlin	2020-10-16 22:20:08
5	Dmitry Shostak	713	Kotlin	2019-08-17 07:18:40
6	Bendik Solheim	838	Kotlin	2019-03-12 21:37:20
7	Gaurav Tyagi	957	Kotlin	2018-10-21 23:59:43
8	Troy Warmboe	1008	Kotlin	2020-02-08 02:27:47
9	Jonathan Soo	1032	Kotlin	2019-06-25 08:49:53
10	Marcus Stojcevich	1123	Kotlin	2018-10-06 18:31:29

#	User	Length	Language	Date
1	Jess Smith	909	OCaml	2019-02-17 19:36:12

#	User	Length	Language	Date
1	Hidden user	908	Odin	2025-05-15 01:29:25

#	User	Length	Language	Date
1	Ingemar Ragnemalm	753	Pascal	2018-10-13 11:55:03

#	User	Length	Language	Date
1	Emil Riis Hansen	1368	PHP	2018-10-29 14:08:06

#	User	Length	Language	Date
1	Hakan Kjellerstrand	438	Prolog	2023-02-15 18:58:31
2	Andriy Zyevakov	613	Prolog	2018-11-12 16:42:55

#	User	Length	Language	Date
1	Thomas Feld	187	Python 2	2019-08-19 15:32:11
2	Johann Ly	317	Python 2	2018-10-06 18:44:33
3	Lim Hong Hui Eugene	345	Python 2	2019-03-25 16:27:33
4	Jason Pham	351	Python 2	2018-10-06 18:09:43
5	Andreas Eisele	353	Python 2	2018-10-07 19:21:55
6	Tim Barry	359	Python 2	2018-10-06 18:30:25
7	Jesper Öqvist	360	Python 2	2018-10-19 17:19:59
8	Andreas Björklund	361	Python 2	2020-03-10 18:56:19
9	Jimena Velasquez	362	Python 2	2019-10-10 07:05:13
10	Jean Tello	362	Python 2	2019-10-10 07:06:07

#	User	Length	Language	Date
1	Clement Oh	140	Python 3	2023-06-12 18:51:07
2	Benjamin Z White	147	Python 3	2023-05-04 10:30:49
3	Simon Lindbäck	167	Python 3	2023-02-09 10:23:45
4	Simon Lindbäck	167	Python 3	2023-02-09 10:25:38
5	Ahmed Chamseddine	192	Python 3	2024-07-16 18:11:20
6	Tai Tze Kin	195	Python 3	2024-05-02 21:04:58
7	Nenad Čaklović	196	Python 3	2019-03-08 14:23:33
8	Bjørn Dons	210	Python 3	2018-10-11 01:52:26
9	Mees de Vries	218	Python 3	2019-05-09 22:37:14
10	Marcus Xu	222	Python 3	2021-12-21 18:31:30

#	User	Length	Language	Date
1	Thomas Feld	84	Ruby	2023-02-28 13:05:39
2	Simon Lindbäck	140	Ruby	2023-02-09 09:45:39
3	Conor O'Brien	151	Ruby	2022-03-22 22:10:29
4	Miorel Palii	204	Ruby	2018-11-03 20:44:56
5	Nicholas Bell	241	Ruby	2019-02-13 07:15:31
6	Hidden user	373	Ruby	2019-02-26 11:09:49
7	Macdara mac an tSionnaigh	680	Ruby	2019-09-14 23:15:53

#	User	Length	Language	Date
1	David Zacek	795	Rust	2021-06-05 03:19:08
2	Pankajkumar Patro	951	Rust	2025-04-07 19:49:13
3	Vincent Lagerros	1079	Rust	2025-02-06 15:23:30
4	Freek van Keulen	1188	Rust	2021-07-25 19:10:58
5	Rutger Moons	1217	Rust	2019-02-15 20:15:25
6	Kok Dith	1247	Rust	2021-08-16 03:41:04
7	Kevin Caffrey	1275	Rust	2018-12-31 00:56:41
8	Kohlton Booth	1286	Rust	2022-02-27 07:07:36
9	ersode	1356	Rust	2020-09-05 23:59:38
10	Dan Yang	1408	Rust	2019-03-15 07:24:18

Solution running time distribution