Problem I
Howl — Problem Statistics

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Submissions	6830
Accepted submissions	2974
Submission ratio	43.54%
Authors	2470
Accepted authors	2233
Author ratio	90.40%

#	User	Runtime	Language	Date
1	Ian DeHaan	0.01 s	Bash	2023-05-14 02:25:19
2	Charles Ancheta	0.01 s	Bash	2023-05-14 03:04:26
3	Jason Liu	0.01 s	Bash	2023-05-16 06:00:48
4	Nikil Roashan Selvam	0.01 s	Bash	2023-05-16 06:16:21
5	Thomas Feld	0.01 s	Bash	2023-05-16 09:24:34
6	Simon Hellsten	0.01 s	Bash	2023-08-06 14:52:14
7	Chenzhang Hu	0.01 s	Bash	2023-09-02 19:33:05
8	Danny Robinson	0.01 s	Bash	2023-09-03 18:39:53
9	keyansheng	0.01 s	Bash	2023-10-15 09:31:08
10	Nicholas Russell Saerang	0.01 s	Bash	2023-12-03 09:52:58

#	User	Runtime	Language	Date
1	Noah Samuel	0.05 s	C#	2023-09-11 14:09:25
2	Umar Rasyid	0.05 s	C#	2025-05-19 04:03:39
3	Thomas Norris	0.06 s	C#	2019-11-04 16:57:54
4	Nicolai Pallund	0.06 s	C#	2019-11-06 13:06:35
5	Mads Jespersen	0.06 s	C#	2019-11-06 13:37:01
6	Julian Brandt	0.06 s	C#	2019-11-07 21:43:22
7	Keiron Beadle	0.06 s	C#	2020-02-04 04:47:31
8	Yuwono Bangun Nagoro	0.06 s	C#	2020-08-19 00:44:56
9	Anders Parsberg Wagner	0.06 s	C#	2020-10-03 22:35:48
10	Sebastian Sternberg	0.06 s	C#	2021-02-27 19:04:09

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Common Lisp	2024-06-30 08:26:36

#	User	Runtime	Language	Date
1	Oisín Mac Fhearaí	0.01 s	Crystal	2024-08-22 09:46:05

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.08 s	F#	2022-10-03 17:26:00

#	User	Runtime	Language	Date
1	Magix	0.00 s	Go	2020-09-17 19:04:53
2	Norbert Voelker	0.01 s	Go	2021-04-26 12:23:35
3	Michael Johansson	0.01 s	Go	2022-09-27 23:15:38

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2019-11-11 20:04:40
2	Matthew Craven	0.01 s	Haskell	2021-01-24 21:17:18
3	Caleb Surovik	0.01 s	Haskell	2021-07-14 02:39:24
4	Stian	0.01 s	Haskell	2021-10-07 17:07:28
5	Aurélien Pepin	0.03 s	Haskell	2019-11-27 15:10:12
6	Henrik Olsen Eide	0.03 s	Haskell	2021-10-07 18:58:04
7	Yan Passeniouk	0.03 s	Haskell	2022-08-23 20:52:49
8	Sebastian Banert	0.03 s	Haskell	2023-09-05 23:03:18
9	Hidden user	0.04 s	Haskell	2019-11-04 20:02:00
10	Anders Syvertsen	0.04 s	Haskell	2021-10-07 18:54:18

#	User	Runtime	Language	Date
1	Emil Bak-Møller	0.04 s	Java	2019-11-04 20:24:42
2	Jonatan Asketorp	0.05 s	Java	2020-03-23 19:16:40
3	Sven Rönnbäck	0.05 s	Java	2022-12-03 13:18:15
4	Ben Blodgett	0.08 s	Java	2025-04-15 03:14:19
5	Intrets	0.09 s	Java	2019-11-16 20:26:52
6	Joachim Borup	0.09 s	Java	2021-11-11 16:23:57
7	Lukas Ahlse	0.09 s	Java	2024-09-05 14:15:46
8	Calvin	0.09 s	Java	2024-09-05 14:16:44
9	Afro DiJack	0.10 s	Java	2025-02-01 20:50:59
10	Peter Dahl Hæstrup	0.10 s	Java	2025-02-06 10:16:17

#	User	Runtime	Language	Date
1	Erlend Raa Vågset	0.04 s	JavaScript (Node.js)	2025-03-31 13:03:06
2	Chris Wong	0.05 s	JavaScript (Node.js)	2021-03-06 00:09:51
3	Tom Keller	0.05 s	JavaScript (Node.js)	2021-10-16 01:20:39
4	Peter Kedemo	0.06 s	JavaScript (Node.js)	2019-12-26 10:44:37
5	Ty Colvin	0.06 s	JavaScript (Node.js)	2020-03-02 19:14:09
6	Joe Price	0.06 s	JavaScript (Node.js)	2020-03-03 06:39:47
7	Andoko Chandra	0.06 s	JavaScript (Node.js)	2020-10-12 11:32:52
8	Johan Kjellström	0.06 s	JavaScript (Node.js)	2021-10-05 09:12:58
9	Joshua Baynard	0.08 s	JavaScript (Node.js)	2021-04-10 20:36:54
10	Brieana Molinari	0.09 s	JavaScript (Node.js)	2020-02-10 22:51:44

#	User	Runtime	Language	Date
1	Peter Menyes	0.03 s	JavaScript (SpiderMonkey)	2021-08-25 20:24:39
2	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-01-12 00:45:46
3	Simon Titkó	0.03 s	JavaScript (SpiderMonkey)	2024-02-05 16:29:24
4	Jimmy Gustafsson	0.03 s	JavaScript (SpiderMonkey)	2024-07-13 16:45:15
5	Zach Tschetter	0.09 s	JavaScript (SpiderMonkey)	2023-04-23 01:28:57
6	Bjørn Chr. Soltvedt	0.11 s	JavaScript (SpiderMonkey)	2019-11-03 01:58:38

#	User	Runtime	Language	Date
1	Danny Robinson	0.46 s	Julia	2023-09-03 18:44:01
2	Timothy Gaede	0.49 s	Julia	2024-04-06 08:07:59

#	User	Runtime	Language	Date
1	Karl Johan Heimark	0.37 s	Kotlin	2024-12-04 20:35:34
2	Adam Rankin	0.38 s	Kotlin	2023-05-01 21:48:46
3	Zaw Myat	0.38 s	Kotlin	2024-01-12 13:15:14
4	Hidden user	0.39 s	Kotlin	2020-02-05 15:26:46
5	Troy Warmboe	0.40 s	Kotlin	2020-02-20 03:08:05
6	Jacob Huebner	0.42 s	Kotlin	2020-02-29 05:16:23
7	Sergey Jakobsen	0.43 s	Kotlin	2021-07-24 02:03:09
8	Einar Kjellback	0.44 s	Kotlin	2020-08-12 12:06:04
9	Josie Bierbaum	0.46 s	Kotlin	2019-12-11 17:25:25
10	Jahid Hasan Imon	0.48 s	Kotlin	2020-05-22 19:46:31

#	User	Runtime	Language	Date
1	Jaydan Aladro	0.01 s	Lua	2024-01-18 18:31:09
2	Zeheng Li	0.03 s	Lua	2023-11-22 18:17:12

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	OCaml	2023-09-29 05:39:03
2	Matthew Lutze	0.01 s	OCaml	2020-07-18 06:37:58
3	keyansheng	0.01 s	OCaml	2023-10-15 09:30:01
4	Evan Magill	0.01 s	OCaml	2023-11-05 22:17:43

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.02 s	Pascal	2019-12-24 23:02:12

#	User	Runtime	Language	Date
1	Adam Yaser Sweilem	0.00 s	Perl	2025-02-03 15:27:25

#	User	Runtime	Language	Date
1	Julian Nohr	0.01 s	PHP	2022-12-14 03:21:21
2	cojonas1	0.02 s	PHP	2021-02-08 11:11:52
3	Victor Nguyen	0.02 s	PHP	2021-10-08 20:04:02
4	Thomas Feld	0.02 s	PHP	2022-12-14 10:38:05
5	mumin aydin	0.06 s	PHP	2023-10-02 17:32:22

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.06 s	Prolog	2023-02-18 19:24:33
2	Andriy Zyevakov	0.43 s	Prolog	2023-02-12 15:49:05

#	User	Runtime	Language	Date
1	Arne Tobias Malkenes Ødegaard	0.08 s	Python 2	2019-11-02 11:07:54
2	Ryan Yoshida	0.08 s	Python 2	2019-11-03 22:47:14
3	Poppy Jones	0.08 s	Python 2	2019-11-07 20:31:27
4	Lars Åström	0.08 s	Python 2	2019-11-10 10:19:13
5	Maj Stenmark	0.08 s	Python 2	2019-11-10 10:24:37
6	Åke Wettergren	0.08 s	Python 2	2019-11-10 16:56:38
7	Thomas Feld	0.08 s	Python 2	2019-11-11 10:43:40
8	Nick Wu	0.08 s	Python 2	2019-11-16 23:27:26
9	Hidden user	0.08 s	Python 2	2019-11-19 16:36:38
10	Johan Lyts	0.08 s	Python 2	2019-11-24 15:12:03

#	User	Runtime	Language	Date
1	Marcelo Bernardes	0.04 s	Python 3	2024-09-03 13:52:54
2	Roemer Caliboso	0.04 s	Python 3	2024-09-08 23:52:25
3	Ram Basnet	0.04 s	Python 3	2024-09-12 01:37:13
4	Ole Vik Lysne	0.04 s	Python 3	2024-09-15 18:28:39
5	Bennett Murray	0.04 s	Python 3	2024-09-16 19:32:58
6	Michael Gavina	0.04 s	Python 3	2024-09-16 19:47:46
7	Hidden user	0.04 s	Python 3	2024-09-16 22:45:23
8	USaskNovice2	0.04 s	Python 3	2024-10-05 19:33:15
9	USaskNovice3	0.04 s	Python 3	2024-10-05 19:42:37
10	Victor	0.04 s	Python 3	2024-10-24 09:38:29

#	User	Runtime	Language	Date
1	Macdara mac an tSionnaigh	0.07 s	Ruby	2019-11-26 02:46:32
2	Hidden user	0.07 s	Ruby	2020-06-13 21:59:20
3	Frederik Petersen	0.07 s	Ruby	2022-10-04 17:15:42
4	Frederik Spang	0.07 s	Ruby	2022-10-04 17:28:56
5	Andreas Severin Hauch Trøstrup	0.07 s	Ruby	2022-10-04 17:44:38
6	Noah Hessen Bjerke	0.07 s	Ruby	2022-11-25 13:15:00
7	Thomas Feld	0.07 s	Ruby	2022-11-28 11:51:15
8	dick move	0.07 s	Ruby	2022-12-07 09:59:42
9	Gustav Elmqvist	0.07 s	Ruby	2023-02-17 19:10:44
10	Eugen Neagoe	0.07 s	Ruby	2023-03-31 00:23:58

#	User	Length	Language	Date
1	Chenzhang Hu	2	Bash	2023-09-05 17:34:58
2	Thomas Feld	2	Bash	2023-09-11 13:52:43
3	Jason Liu	8	Bash	2023-05-16 06:00:48
4	Nikil Roashan Selvam	8	Bash	2023-05-16 07:16:43
5	Simon Hellsten	8	Bash	2023-08-06 14:52:14
6	Mattéo Delabre	8	Bash	2024-02-22 02:11:02
7	Mathis Laroche	8	Bash	2024-02-22 02:11:18
8	Frans Meulenbroeks	9	Bash	2024-10-29 17:23:56
9	Charles Ancheta	9	Bash	2023-05-27 05:11:18
10	Danny Robinson	10	Bash	2023-09-03 18:39:53

#	User	Length	Language	Date
1	Jonatan Altebro	76	C	2025-02-21 14:29:52
2	Will Killian	86	C	2022-10-08 01:05:38
3	Yao Wang	113	C	2020-02-22 02:54:58
4	Ian Howell	115	C	2020-03-02 22:36:00
5	Florian ten Napel	118	C	2024-05-14 15:57:59
6	Max Zheng	121	C	2021-10-23 20:17:54
7	Macdara mac an tSionnaigh	133	C	2019-11-26 02:52:22
8	pi$$particle	137	C	2024-11-29 17:59:29
9	Simon Titkó	143	C	2024-02-05 22:12:51
10	Sebastian Miles	168	C	2022-09-17 22:54:50

#	User	Length	Language	Date
1	Noah Samuel	110	C#	2023-09-11 14:10:29
2	Thomas Norris	157	C#	2019-11-04 16:57:54
3	Mads Jespersen	193	C#	2019-11-06 13:37:01
4	Göran Andersson	197	C#	2022-05-16 20:49:18
5	Nicolai Pallund	225	C#	2019-11-06 13:06:35
6	Julian Brandt	239	C#	2019-11-07 21:43:22
7	Umar Rasyid	267	C#	2025-05-19 04:03:39
8	Sebastian Sternberg	274	C#	2021-02-27 19:04:09
9	Nischal Bhandari	356	C#	2025-05-16 23:18:08
10	Anders Parsberg Wagner	423	C#	2020-10-03 22:35:48

#	User	Length	Language	Date
1	Dominic Sagen	72	C++	2023-03-27 03:11:41
2	Sarji Elijah See Bona	74	C++	2024-09-17 17:55:53
3	Daniel Rasmussen	79	C++	2023-04-27 19:05:16
4	Yip Jung Hon	97	C++	2021-01-04 11:05:07
5	Hidden user	97	C++	2023-08-26 20:34:27
6	suka isnaini	97	C++	2023-12-14 19:19:18
7	Angel Gabriel Cuello Joaquin	100	C++	2021-01-24 20:05:03
8	Nicholas Frizzell	101	C++	2021-01-16 19:07:37
9	Dau Huy Minh	101	C++	2023-09-22 11:28:51
10	Nathan Nguyen	105	C++	2020-07-02 17:59:20

#	User	Length	Language	Date
1	Hidden user	50	Common Lisp	2024-06-30 08:26:36

#	User	Length	Language	Date
1	Oisín Mac Fhearaí	15	Crystal	2024-08-22 09:46:05

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	300	F#	2022-10-03 17:26:00

#	User	Length	Language	Date
1	Michael Johansson	219	Go	2022-09-27 23:15:38
2	Magix	501	Go	2020-09-17 19:04:53
3	Norbert Voelker	939	Go	2021-04-26 12:23:35

#	User	Length	Language	Date
1	Matthew Craven	19	Haskell	2021-01-26 19:59:41
2	Sebastian Banert	25	Haskell	2023-09-05 23:03:18
3	Henrik Olsen Eide	64	Haskell	2021-10-07 18:58:04
4	Marianne L. Fuglestad	67	Haskell	2019-11-02 20:15:10
5	Rudi Svartveit	67	Haskell	2019-11-02 11:18:12
6	Øyvind Almli	91	Haskell	2021-10-22 19:59:03
7	Anders Syvertsen	103	Haskell	2021-10-07 18:54:18
8	Steinar Simonnes	110	Haskell	2020-10-21 17:00:08
9	Lars Tveito	114	Haskell	2020-05-11 22:38:17
10	Caleb Surovik	116	Haskell	2021-07-14 02:39:24

#	User	Length	Language	Date
1	Markus Sværke Staael	104	Java	2024-02-09 13:14:41
2	Nicky Ye	107	Java	2024-02-09 17:36:15
3	Patrick Shen	107	Java	2024-02-12 12:05:15
4	Ronas Jacob Coban Olsen	109	Java	2024-02-06 20:57:49
5	Simon Titkó	116	Java	2024-02-07 11:01:22
6	Lukas Ahlse	124	Java	2024-09-06 15:12:10
7	PhillipRasmussen	126	Java	2024-02-05 21:01:00
8	Mathias Jacobi	127	Java	2024-09-05 16:53:36
9	Rasmus Poulsen	128	Java	2024-02-05 12:13:20
10	Calvin	132	Java	2024-09-05 14:16:44

#	User	Length	Language	Date
1	Tom Keller	103	JavaScript (Node.js)	2021-10-16 01:20:39
2	Peter Kedemo	228	JavaScript (Node.js)	2019-12-26 10:44:37
3	Erlend Raa Vågset	237	JavaScript (Node.js)	2025-03-31 13:03:06
4	Johan Kjellström	247	JavaScript (Node.js)	2021-10-05 09:15:23
5	Howard Tin Chi Chan	352	JavaScript (Node.js)	2021-03-06 07:43:18
6	Joshua Baynard	406	JavaScript (Node.js)	2021-04-10 20:36:54
7	Andoko Chandra	551	JavaScript (Node.js)	2020-10-12 11:32:52
8	Ty Colvin	826	JavaScript (Node.js)	2020-03-02 19:14:09
9	Joe Price	974	JavaScript (Node.js)	2020-03-03 06:39:47
10	Chris Wong	1218	JavaScript (Node.js)	2021-03-06 00:09:51

#	User	Length	Language	Date
1	Christian Cederquist	21	JavaScript (SpiderMonkey)	2023-01-12 00:45:46
2	Jimmy Gustafsson	21	JavaScript (SpiderMonkey)	2024-07-13 16:45:15
3	Peter Menyes	25	JavaScript (SpiderMonkey)	2021-08-25 20:24:39
4	Simon Titkó	27	JavaScript (SpiderMonkey)	2024-02-05 16:29:24
5	Bjørn Chr. Soltvedt	76	JavaScript (SpiderMonkey)	2019-11-03 01:58:38
6	Zach Tschetter	102	JavaScript (SpiderMonkey)	2023-04-23 01:28:57

#	User	Length	Language	Date
1	Danny Robinson	23	Julia	2023-09-03 18:44:01
2	Timothy Gaede	39	Julia	2024-04-06 08:07:59

#	User	Length	Language	Date
1	Zaw Myat	44	Kotlin	2024-01-12 13:17:01
2	Karl Johan Heimark	55	Kotlin	2024-12-04 20:35:34
3	Sergey Jakobsen	72	Kotlin	2021-07-24 02:03:09
4	Hidden user	126	Kotlin	2020-02-05 15:26:46
5	Jahid Hasan Imon	151	Kotlin	2020-05-22 19:46:31
6	Einar Kjellback	152	Kotlin	2020-08-12 12:06:04
7	Jahid Hasan	179	Kotlin	2020-05-22 19:42:48
8	Troy Warmboe	233	Kotlin	2020-02-20 03:08:05
9	Jacob Huebner	252	Kotlin	2020-02-29 05:16:23
10	Josie Bierbaum	261	Kotlin	2019-12-11 17:25:25

#	User	Length	Language	Date
1	Jaydan Aladro	21	Lua	2024-01-18 18:31:57
2	Zeheng Li	66	Lua	2023-11-22 18:17:12

#	User	Length	Language	Date
1	Evan Magill	29	OCaml	2023-11-05 22:26:23
2	keyansheng	36	OCaml	2023-10-15 09:30:01
3	Hidden user	67	OCaml	2023-09-29 05:39:03
4	Matthew Lutze	102	OCaml	2020-07-18 06:37:58

#	User	Length	Language	Date
1	Ingemar Ragnemalm	159	Pascal	2019-12-24 23:02:12

#	User	Length	Language	Date
1	Adam Yaser Sweilem	11	Perl	2025-02-03 15:27:25

#	User	Length	Language	Date
1	Julian Nohr	9	PHP	2022-12-14 03:25:45
2	Thomas Feld	9	PHP	2022-12-14 10:38:05
3	Victor Nguyen	77	PHP	2021-10-08 20:04:02
4	cojonas1	155	PHP	2021-02-08 11:11:52
5	mumin aydin	343	PHP	2023-10-02 17:32:22

#	User	Length	Language	Date
1	Hakan Kjellerstrand	93	Prolog	2023-02-18 19:24:33
2	Andriy Zyevakov	298	Prolog	2023-02-12 15:49:05

#	User	Length	Language	Date
1	Jason Liu	20	Python 2	2023-05-16 05:49:59
2	Poppy Jones	22	Python 2	2019-11-07 20:31:27
3	Johan Lyts	26	Python 2	2019-11-24 15:12:03
4	Nick Wu	33	Python 2	2019-11-16 23:27:26
5	Thomas Feld	40	Python 2	2019-11-11 10:43:40
6	Arne Tobias Malkenes Ødegaard	41	Python 2	2019-11-02 11:07:54
7	Hidden user	46	Python 2	2019-11-19 16:36:38
8	Guan Yang Ze	54	Python 2	2019-12-03 20:44:20
9	Maj Stenmark	56	Python 2	2019-11-10 10:24:37
10	Måns Magnusson	56	Python 2	2020-09-03 21:10:24

#	User	Length	Language	Date
1	Tianyu Zhang	17	Python 3	2025-01-17 22:24:20
2	Hjalte Erlang Treebak	17	Python 3	2025-01-23 14:36:23
3	Malik Jensen	17	Python 3	2025-01-23 14:36:43
4	David Vinje	17	Python 3	2024-02-07 14:49:14
5	Hidden user	18	Python 3	2024-11-19 13:49:42
6	Colter Radke	18	Python 3	2024-11-27 21:24:21
7	Allison Pelton	18	Python 3	2024-12-14 03:22:19
8	Rafael Kristoforus Yanto	18	Python 3	2025-02-01 20:32:14
9	Aiting	18	Python 3	2025-02-03 22:05:46
10	Lukáš Trstenský	18	Python 3	2025-02-09 16:11:23

#	User	Length	Language	Date
1	Frederik Petersen	11	Ruby	2022-10-04 17:15:42
2	Andreas Severin Hauch Trøstrup	11	Ruby	2022-10-04 17:45:09
3	Frederik Spang	11	Ruby	2022-10-04 17:48:31
4	Thomas Feld	11	Ruby	2022-11-28 11:53:03
5	dick move	11	Ruby	2022-12-07 09:59:42
6	Julian Nohr	12	Ruby	2022-12-12 13:53:09
7	Hidden user	14	Ruby	2020-06-13 21:59:20
8	Gustav Elmqvist	16	Ruby	2023-04-27 18:21:05
9	Noah Hessen Bjerke	17	Ruby	2022-11-25 13:15:00
10	Hidden user	18	Ruby	2019-11-27 16:47:07

#	User	Length	Language	Date
1	David Rasch	45	Rust	2022-10-30 15:26:17
2	Vincent Lagerros	45	Rust	2025-03-26 17:49:56
3	Artur Khuziakhmetov	107	Rust	2023-06-07 10:32:14
4	Fergus Jones	141	Rust	2024-04-19 20:06:24
5	Hidden user	143	Rust	2025-02-03 17:32:17
6	Rudi Svartveit	170	Rust	2019-11-02 20:11:39
7	Frederik Porsmose Stender	177	Rust	2024-02-11 14:27:02
8	Petter Daae	199	Rust	2020-05-10 10:56:00
9	Hidden user	237	Rust	2021-02-25 12:20:35
10	Alex G	292	Rust	2020-03-09 12:10:10

Solution running time distribution