Problem A
Hair of the Dog — Problem Statistics

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Submissions	2552
Accepted submissions	1343
Submission ratio	52.63%
Authors	1217
Full solves [?]	1168
Full solve Ratio	95.97%

#	User	Runtime	Language	Date
1	Sebastian Banert	0.00 s	Ada	2024-12-01 00:38:15

#	User	Runtime	Language	Date
1	Edson Alves	0.01 s	APL	2025-01-03 14:35:16
2	Matzuka	0.02 s	APL	2025-03-12 09:19:39

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2024-12-20 05:21:47
2	Chenzhang Hu	0.01 s	Bash	2025-09-12 21:33:32
3	Thomas Feld	0.01 s	Bash	2025-09-16 15:42:20
4	Si Jie Tan	0.01 s	Bash	2025-12-11 14:13:55
5	Frans Meulenbroeks	0.02 s	Bash	2024-11-22 17:54:02

#	User	Runtime	Language	Date
1	Andreas Kongstad	0.02 s	C#	2022-11-11 16:18:40
2	Silas Roien Arildsen	0.02 s	C#	2022-11-11 16:25:50
3	Nicholas Hansen	0.02 s	C#	2022-11-11 16:42:12
4	Rasmus Føgh Sørensen	0.02 s	C#	2022-11-11 16:47:35
5	Jakub Mráz	0.02 s	C#	2022-11-11 18:36:48
6	Michael Damsgaard	0.04 s	C#	2024-11-19 23:03:07
7	Nicholas Hood	0.04 s	C#	2024-11-21 00:49:26
8	Esty Crow	0.04 s	C#	2024-11-22 09:32:06
9	Deci Bel	0.04 s	C#	2024-11-24 16:00:06
10	Emil bks	0.04 s	C#	2024-11-29 16:59:37

#	User	Runtime	Language	Date
1	Frank Endriss	0.12 s	COBOL	2024-12-09 16:58:54

#	User	Runtime	Language	Date
1	Norvell Spearman	0.03 s	Common Lisp	2024-12-18 06:03:57

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	F#	2024-12-09 13:19:39
2	Emil Boesgaard Nørbjerg	0.09 s	F#	2024-11-29 16:47:21

#	User	Runtime	Language	Date
1	Norbert Voelker	0.00 s	Go	2024-11-19 22:53:56
2	Ronas Jacob Coban Olsen	0.00 s	Go	2024-11-20 21:58:17
3	Jimmy Nejtron	0.00 s	Go	2024-12-02 20:31:48
4	Yafet Seyoum	0.00 s	Go	2025-03-11 08:24:22
5	Henry Fong	0.00 s	Go	2025-05-21 06:08:49
6	Dylan	0.00 s	Go	2025-10-14 22:44:57
7	Marcus Henrik Simonsen	0.00 s	Go	2025-10-31 21:32:27

#	User	Runtime	Language	Date
1	Julius Griebel	0.04 s	Java	2024-11-19 17:37:35
2	Hidden user	0.04 s	Java	2024-11-22 11:49:22
3	Jordan Cripe	0.04 s	Java	2024-11-24 20:08:04
4	Stela Palii	0.04 s	Java	2024-11-28 05:05:23
5	Ranjith M	0.04 s	Java	2025-01-07 19:34:38
6	Guangyi Zhou	0.04 s	Java	2025-01-31 17:18:27
7	Alexander Matheson	0.04 s	Java	2025-02-06 00:11:06
8	Luis Varona	0.04 s	Java	2025-02-06 00:15:28
9	Nicholas Nagy	0.04 s	Java	2025-02-06 00:46:34
10	Einar Þór Ívarsson	0.04 s	Java	2025-03-06 16:22:37

#	User	Runtime	Language	Date
1	Ronit Mishra	0.04 s	JavaScript (Node.js)	2025-01-23 21:06:10
2	Stefan	0.04 s	JavaScript (Node.js)	2026-02-22 23:11:44
3	Hidden user	0.05 s	JavaScript (Node.js)	2024-11-24 05:53:05

#	User	Runtime	Language	Date
1	Johannes Jensen	0.02 s	JavaScript (SpiderMonkey)	2022-11-11 16:11:57
2	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-11-19 16:28:02
3	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-11-19 23:14:19
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2024-11-21 19:53:04
5	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2024-11-27 06:40:09
6	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-12-05 13:50:34
7	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-07-15 10:19:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.40 s	Julia	2025-03-20 08:01:22

#	User	Runtime	Language	Date
1	Adam Rankin	0.20 s	Kotlin	2024-11-22 02:59:45
2	Evgeny Pivovarskiy	0.20 s	Kotlin	2025-01-22 15:53:47
3	Simon Titkó	0.20 s	Kotlin	2025-02-17 00:29:55
4	Chris Johnson	0.24 s	Kotlin	2025-10-14 22:20:28

#	User	Runtime	Language	Date
1	Trevor	0.00 s	Lua	2025-10-06 03:26:43

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-21 18:27:52

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2025-02-02 09:52:04
2	David Connolly	0.00 s	Pascal	2025-08-11 13:11:30

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Perl	2025-02-07 02:45:50
2	Thomas Feld	0.00 s	Perl	2025-09-16 15:53:53
3	Chenzhang Hu	0.01 s	Perl	2025-09-14 12:09:40

#	User	Runtime	Language	Date
1	KALAJAYANTHI M	0.07 s	Python 2	2025-09-26 11:00:58
2	DHARSHINI M	0.07 s	Python 2	2025-10-14 13:54:57

#	User	Runtime	Language	Date
1	Sander Oppen	0.04 s	Python 3	2024-11-19 16:21:36
2	Isaiah Mellace	0.04 s	Python 3	2024-11-19 16:24:26
3	Mark Meysenburg	0.04 s	Python 3	2024-11-19 16:26:28
4	Rebecca Jackson	0.04 s	Python 3	2024-11-19 17:40:37
5	Simen Sørensen	0.04 s	Python 3	2024-11-19 17:55:26
6	Ole Vik Lysne	0.04 s	Python 3	2024-11-19 18:55:57
7	Petr	0.04 s	Python 3	2024-11-19 19:03:55
8	Ahmed Chamseddine	0.04 s	Python 3	2024-11-19 19:56:37
9	Ole Markus Bråthen	0.04 s	Python 3	2024-11-19 19:59:44
10	Ram Basnet	0.04 s	Python 3	2024-11-19 21:50:25

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	0.06 s	Ruby	2022-11-11 16:40:07
2	Frederik Petersen	0.06 s	Ruby	2024-11-26 17:50:33
3	Thomas Feld	0.06 s	Ruby	2025-01-27 15:07:19
4	Russell Ng	0.06 s	Ruby	2025-12-05 00:13:55
5	Eugen Neagoe	0.06 s	Ruby	2026-01-28 17:44:51
6	Chenzhang Hu	0.07 s	Ruby	2024-11-20 12:51:01
7	Miorel Palii	0.07 s	Ruby	2024-11-23 07:46:22

#	User	Runtime	Language	Date
1	Grettir Heimisson	0.00 s	Zig	2025-10-28 21:47:12

#	User	Length	Language	Date
1	Sebastian Banert	488	Ada	2024-12-01 00:38:15

#	User	Length	Language	Date
1	Matzuka	96	APL	2025-03-12 10:36:49
2	Edson Alves	373	APL	2025-01-03 14:35:16

#	User	Length	Language	Date
1	Chenzhang Hu	17	Bash	2025-09-12 21:33:32
2	Thomas Feld	17	Bash	2025-09-16 15:42:20
3	Danny Robinson	24	Bash	2024-12-20 05:29:11
4	Si Jie Tan	27	Bash	2025-12-11 14:13:55
5	Frans Meulenbroeks	113	Bash	2024-11-22 17:54:02

#	User	Length	Language	Date
1	Martin Blom	139	C	2025-09-25 08:23:28
2	Jonatan Altebro	264	C	2024-12-16 16:49:57
3	SANTHOSH G	272	C	2025-04-21 17:37:13
4	Finn Uddling	280	C	2025-10-13 12:35:32
5	Kavin E	302	C	2025-04-22 11:40:10
6	HARIPRASATH S	303	C	2025-05-06 18:18:34
7	MOSHIKAA S	312	C	2025-04-11 12:41:16
8	Hidden user	325	C	2025-04-19 18:38:37
9	Jeevanna M	328	C	2025-04-11 12:51:14
10	Hidden user	329	C	2025-04-07 15:44:51

#	User	Length	Language	Date
1	Deci Bel	340	C#	2024-11-24 16:00:06
2	Esty Crow	385	C#	2024-11-22 09:32:06
3	svante	420	C#	2025-02-18 17:03:24
4	Silas Roien Arildsen	520	C#	2022-11-11 16:25:50
5	mr_chino	534	C#	2025-02-10 00:56:19
6	Alexis Olivia Haiar	544	C#	2025-06-09 17:22:37
7	Michael Damsgaard	582	C#	2024-11-19 23:03:07
8	Jakub Mráz	600	C#	2022-11-11 18:36:48
9	Գոռ Բաղդասարյան	621	C#	2025-11-17 08:23:11
10	Nicholas Hansen	635	C#	2022-11-11 16:42:12

#	User	Length	Language	Date
1	Frans Meulenbroeks	130	C++	2024-11-22 17:37:37
2	will ng	168	C++	2025-02-07 02:07:00
3	Xavier	227	C++	2025-03-30 22:29:22
4	Buste Alin	230	C++	2025-01-15 19:37:44
5	Grae Yeandle	241	C++	2024-12-14 16:02:32
6	Jesús Pacheco Alonso	242	C++	2024-11-19 16:19:15
7	KRIS NATALIS	253	C++	2025-02-07 12:01:36
8	Lew Choon Hean	256	C++	2024-12-28 04:05:08
9	Markus Mathiasen	258	C++	2022-11-11 16:05:51
10	I Lucian	262	C++	2025-02-04 18:18:16

#	User	Length	Language	Date
1	Frank Endriss	6693	COBOL	2024-12-09 16:58:54

#	User	Length	Language	Date
1	Norvell Spearman	662	Common Lisp	2024-12-18 06:03:57

#	User	Length	Language	Date
1	Hidden user	303	F#	2024-12-09 13:19:39
2	Emil Boesgaard Nørbjerg	2111	F#	2024-11-29 16:47:21

#	User	Length	Language	Date
1	Jimmy Nejtron	281	Go	2024-12-02 20:31:48
2	Marcus Henrik Simonsen	285	Go	2025-10-31 21:32:27
3	Ronas Jacob Coban Olsen	290	Go	2024-11-20 21:58:17
4	Yafet Seyoum	402	Go	2025-03-11 08:24:22
5	Dylan	439	Go	2025-10-14 22:44:57
6	Henry Fong	484	Go	2025-05-21 06:08:49
7	Norbert Voelker	496	Go	2024-11-19 22:53:56

#	User	Length	Language	Date
1	Juan Miguel Vilar	71	Haskell	2025-10-02 11:58:16
2	Herdi Saleh	84	Haskell	2025-03-23 08:26:16
3	Zach Tschetter	182	Haskell	2025-04-03 23:02:52
4	Timur Khazhiev	188	Haskell	2024-12-30 13:17:48
5	Hidden user	194	Haskell	2025-04-05 08:40:14
6	Christopher Whelan	210	Haskell	2025-01-01 03:14:12
7	Brent Yorgey	234	Haskell	2024-11-22 03:58:38
8	Emil Østergaard	268	Haskell	2022-11-11 17:13:19
9	Hidden user	309	Haskell	2024-11-30 00:28:15
10	Jan Hrček	325	Haskell	2024-12-02 13:25:59

#	User	Length	Language	Date
1	Hidden user	421	Java	2025-04-12 10:03:33
2	Terry Morris	431	Java	2025-12-05 22:10:37
3	Quentin Hadyna	451	Java	2025-02-11 21:05:21
4	Evan Jones	454	Java	2025-02-11 21:05:21
5	Ryan Hayden	459	Java	2024-12-02 04:31:28
6	KISHHORE S	460	Java	2025-04-06 18:43:22
7	Kavya S	461	Java	2025-04-18 17:36:32
8	KANISHKA N	464	Java	2025-03-31 11:20:16
9	Marshall Vaught	465	Java	2025-06-05 17:53:35
10	SOWMIYA T	466	Java	2025-04-09 12:58:53

#	User	Length	Language	Date
1	Stefan	365	JavaScript (Node.js)	2026-02-22 23:11:44
2	Hidden user	689	JavaScript (Node.js)	2024-11-24 05:53:05
3	Ronit Mishra	1014	JavaScript (Node.js)	2025-01-23 21:06:10

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	75	JavaScript (SpiderMonkey)	2024-11-27 06:40:09
2	Jimmy Gustafsson	79	JavaScript (SpiderMonkey)	2024-12-05 13:52:04
3	Bjørn Chr. Soltvedt	93	JavaScript (SpiderMonkey)	2024-11-19 16:29:05
4	Ben Armstrong	133	JavaScript (SpiderMonkey)	2025-07-15 10:19:48
5	Evan Magill	186	JavaScript (SpiderMonkey)	2024-11-19 23:14:19
6	Zach Tschetter	208	JavaScript (SpiderMonkey)	2024-11-21 19:53:04
7	Johannes Jensen	282	JavaScript (SpiderMonkey)	2022-11-11 16:11:57

#	User	Length	Language	Date
1	Timothy Gaede	308	Julia	2025-03-20 08:01:22

#	User	Length	Language	Date
1	Adam Rankin	248	Kotlin	2024-11-22 02:59:45
2	Evgeny Pivovarskiy	337	Kotlin	2025-01-22 15:53:47
3	Chris Johnson	401	Kotlin	2025-10-14 22:20:28
4	Simon Titkó	1281	Kotlin	2025-02-17 00:29:55

#	User	Length	Language	Date
1	Trevor	347	Lua	2025-10-06 03:26:43

#	User	Length	Language	Date
1	Hidden user	672	Odin	2025-04-21 18:27:52

#	User	Length	Language	Date
1	Ingemar Ragnemalm	283	Pascal	2025-02-02 09:52:04
2	David Connolly	346	Pascal	2025-08-11 13:11:30

#	User	Length	Language	Date
1	Chenzhang Hu	6	Perl	2025-09-14 12:09:40
2	Thomas Feld	6	Perl	2025-09-16 15:53:53
3	Hidden user	41	Perl	2025-02-07 02:45:50

#	User	Length	Language	Date
1	KALAJAYANTHI M	244	Python 2	2025-09-26 11:00:58
2	DHARSHINI M	306	Python 2	2025-10-14 13:54:57

#	User	Length	Language	Date
1	Måns Magnusson	35	Python 3	2024-11-24 19:38:13
2	Tobias Glimmerfors	35	Python 3	2024-11-24 19:39:10
3	Thibault Raffaillac	35	Python 3	2025-01-14 10:57:10
4	Kyouko Hori	35	Python 3	2025-02-07 02:22:29
5	Shashank Bhatt	35	Python 3	2025-02-07 02:27:23
6	THOMAS YANG	36	Python 3	2025-02-07 02:24:42
7	Morten Clausen	37	Python 3	2022-11-13 18:54:06
8	Kevin Gomez	37	Python 3	2024-11-20 07:51:56
9	Noah Hessen Bjerke	44	Python 3	2024-11-21 21:16:12
10	András Biczó	49	Python 3	2024-12-19 21:41:26

#	User	Length	Language	Date
1	Thomas Feld	15	Ruby	2025-01-27 15:13:13
2	Chenzhang Hu	16	Ruby	2024-11-20 12:51:01
3	Frederik Petersen	27	Ruby	2024-11-26 17:50:33
4	Russell Ng	29	Ruby	2025-12-05 00:14:46
5	Andreas Severin Hauch Trøstrup	49	Ruby	2024-11-29 18:00:11
6	Miorel Palii	120	Ruby	2024-11-23 07:46:22
7	Eugen Neagoe	172	Ruby	2026-01-28 17:44:51

#	User	Length	Language	Date
1	Vincent Lagerros	147	Rust	2024-11-20 13:46:09
2	David Rasch	246	Rust	2025-01-17 15:43:57
3	Emil Dichmann	308	Rust	2025-08-20 22:03:42
4	Bas Dirks	382	Rust	2024-12-26 11:04:25
5	Isak Jägberg	420	Rust	2024-11-21 15:50:26
6	Pankajkumar Patro	444	Rust	2024-11-20 18:09:14
7	Morten Raeburn	454	Rust	2022-11-11 16:27:54
8	Espen Johnsen Bentdal	495	Rust	2026-01-08 19:39:32
9	Sebastian Clausen	505	Rust	2022-11-11 16:13:55
10	Mikael Fiala-Lundström	581	Rust	2025-02-26 21:25:18

#	User	Length	Language	Date
1	Grettir Heimisson	2791	Zig	2025-10-28 21:47:12

Solution running time distribution