Problem F
Das Blinkenlights — Problem Statistics

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Submissions	8320
Accepted submissions	3557
Submission ratio	42.75%
Authors	3338
Full solves [?]	3119
Full solve Ratio	93.44%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2023-12-19 16:48:18

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2018-10-09 19:36:53
2	Dimitar Georgiev	0.02 s	C#	2018-10-09 19:40:07
3	Morten A	0.02 s	C#	2019-10-05 10:34:27
4	권의현	0.02 s	C#	2019-10-08 02:09:42
5	Thomas Norris	0.02 s	C#	2019-10-18 18:45:15
6	Nicke Nyfiken	0.02 s	C#	2019-12-27 14:19:05
7	Cahyo Nugroho	0.02 s	C#	2020-02-22 09:10:09
8	Anders Parsberg Wagner	0.02 s	C#	2020-09-30 19:36:33
9	Abhishek Gupta	0.02 s	C#	2020-09-30 21:50:50
10	Bernard Benedict R. Mendoza	0.02 s	C#	2021-03-25 14:08:30

#	User	Runtime	Language	Date
1	Michael Reis	0.02 s	Common Lisp	2019-03-19 16:32:53
2	David Cawthon	0.02 s	Common Lisp	2019-05-12 16:23:54
3	Hidden user	0.02 s	Common Lisp	2019-05-28 02:44:44

#	User	Runtime	Language	Date
1	Patrick Bahr	0.03 s	F#	2021-02-23 20:49:12
2	Jacob Harris Cryer Kragh	0.03 s	F#	2022-07-21 12:39:14

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Go	2018-10-23 17:52:05
2	Krzysztof Gibuła	0.08 s	Go	2021-03-25 11:20:51
3	Norbert Voelker	0.08 s	Go	2021-04-15 15:29:17
4	Lasse Faurby Klausen	0.08 s	Go	2021-11-12 15:38:37
5	Jack Kryger Sørensen	0.08 s	Go	2022-01-19 17:38:17
6	Sergey Jakobsen	0.08 s	Go	2022-02-04 00:07:39

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2024-02-19 08:19:44
2	Rudy Matela	0.00 s	Haskell	2024-04-22 20:11:24
3	Brent Yorgey	0.01 s	Haskell	2018-10-10 03:20:51
4	Lim Ming Yean	0.01 s	Haskell	2019-03-09 03:52:32
5	Mike DeMarco	0.01 s	Haskell	2019-05-15 05:29:56
6	Michael DeMarco	0.01 s	Haskell	2019-05-15 05:30:34
7	Aurélien Pepin	0.01 s	Haskell	2019-08-14 09:52:37
8	Hidden user	0.01 s	Haskell	2019-08-26 12:40:55
9	Intrets	0.01 s	Haskell	2019-08-27 17:35:54
10	Tim Put	0.01 s	Haskell	2019-10-01 01:39:44

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Java	2024-09-12 03:07:42
2	Guangyi Zhou	0.04 s	Java	2024-12-01 16:06:26
3	Anna Rasmussen	0.04 s	Java	2025-02-08 20:58:02
4	Ranjith M	0.04 s	Java	2025-02-16 04:40:17
5	Rene Argento	0.04 s	Java	2025-08-14 13:32:29
6	Alyssa Herbst	0.05 s	Java	2018-10-06 18:07:08
7	Ariana Herbst	0.05 s	Java	2018-10-06 18:07:34
8	Aditya Arjun	0.05 s	Java	2018-10-06 18:10:39
9	Daniel Moyer	0.05 s	Java	2018-10-06 18:12:09
10	Bao Van	0.05 s	Java	2018-10-06 18:15:08

#	User	Runtime	Language	Date
1	Carl Sundvall	0.05 s	JavaScript (Node.js)	2018-10-28 00:24:26
2	Gurpartap Singh Bhatti	0.05 s	JavaScript (Node.js)	2019-03-29 06:57:28
3	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-28 08:20:00
4	Oliver Bredenberg	0.40 s	JavaScript (Node.js)	2019-09-02 13:39:15
5	Peter Kedemo	0.41 s	JavaScript (Node.js)	2019-12-27 18:24:38
6	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 12:57:28
7	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-10 13:45:30
8	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-14 16:39:33
9	John	0.42 s	JavaScript (Node.js)	2021-03-06 09:43:51
10	Niamh Limerick	0.42 s	JavaScript (Node.js)	2022-02-20 13:13:01

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2018-10-09 04:25:12
2	Nguyễn Hùng Cường	0.02 s	JavaScript (SpiderMonkey)	2018-11-03 02:45:02
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-13 22:07:55
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-10 10:14:45
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-07-13 16:43:47
6	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-11-23 06:32:51
7	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-02-16 23:41:39

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2024-04-09 16:09:22
2	Danny Robinson	0.57 s	Julia	2023-06-22 01:01:54

#	User	Runtime	Language	Date
1	Marcus Stojcevich	0.15 s	Kotlin	2018-10-06 18:11:26
2	Ola Sundell	0.18 s	Kotlin	2019-09-30 14:42:06
3	Neil Harmon	0.19 s	Kotlin	2019-05-09 12:37:04
4	Adam Rankin	0.20 s	Kotlin	2023-04-24 17:53:25
5	Emil Wihlander	0.20 s	Kotlin	2024-07-20 01:15:21
6	Clinton Walker	0.21 s	Kotlin	2019-09-13 17:45:52
7	Einar Kjellback	0.21 s	Kotlin	2019-12-12 14:44:40
8	Dmitry Shostak	0.21 s	Kotlin	2019-12-31 15:08:59
9	Troy Warmboe	0.21 s	Kotlin	2020-02-11 19:07:01
10	Hidden user	0.22 s	Kotlin	2019-12-01 10:23:18

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-06-09 04:14:01

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-12-05 11:39:05

#	User	Runtime	Language	Date
1	Andre Wahyudi	0.01 s	PHP	2023-03-17 10:23:21

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2019-04-28 14:05:22
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-09 11:01:52

#	User	Runtime	Language	Date
1	Ethan Arnold	0.03 s	Python 2	2018-10-06 18:03:31
2	Eoin Davey	0.03 s	Python 2	2018-10-06 18:08:48
3	Ge Shi	0.03 s	Python 2	2018-10-06 18:10:14
4	Ahmed Sabie	0.03 s	Python 2	2018-10-06 18:13:14
5	Matthew Browder	0.03 s	Python 2	2018-10-06 18:14:13
6	Aarav Singh	0.03 s	Python 2	2018-10-06 18:14:27
7	Jason Pham	0.03 s	Python 2	2018-10-06 18:14:44
8	James Lin	0.03 s	Python 2	2018-10-06 18:15:04
9	Zhilin Jiang	0.03 s	Python 2	2018-10-06 18:15:45
10	Benjamin Hannel	0.03 s	Python 2	2018-10-06 18:21:56

#	User	Runtime	Language	Date
1	James Dong	0.02 s	Python 3	2018-10-06 18:03:10
2	Nathan Collins	0.02 s	Python 3	2018-10-06 18:03:22
3	Arseniy Kouzmenkov	0.02 s	Python 3	2018-10-06 18:04:14
4	Sam Redmond	0.02 s	Python 3	2018-10-06 18:07:17
5	Soe Win Han	0.02 s	Python 3	2018-10-06 18:07:44
6	Ryan Longacre	0.02 s	Python 3	2018-10-06 18:08:24
7	Ryan Looney	0.02 s	Python 3	2018-10-06 18:08:30
8	Keyur Shah	0.02 s	Python 3	2018-10-06 18:08:59
9	Hidden user	0.02 s	Python 3	2018-10-06 18:09:29
10	Jeremy Iden	0.02 s	Python 3	2018-10-06 18:09:33

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2018-10-23 17:39:55
2	Miorel Palii	0.04 s	Ruby	2018-11-03 22:22:56
3	Savvas Alexandrou	0.04 s	Ruby	2019-01-13 17:02:42
4	Hidden user	0.04 s	Ruby	2019-02-27 17:32:46
5	Daniel Harder	0.04 s	Ruby	2019-11-07 01:03:33
6	Hidden user	0.05 s	Ruby	2019-03-29 20:56:51
7	Davi Guimarães Leite	0.05 s	Ruby	2019-03-29 20:57:11
8	Hidden user	0.05 s	Ruby	2020-06-23 13:09:24
9	Thomas Feld	0.06 s	Ruby	2022-11-15 11:28:14
10	Noah Hessen Bjerke	0.06 s	Ruby	2022-12-09 15:09:14

#	User	Length	Language	Date
1	Chenzhang Hu	48	Bash	2025-09-12 22:44:24

#	User	Length	Language	Date
1	a_b__c	148	C	2021-02-06 19:20:44
2	Tyler Jenkins	207	C	2018-10-08 19:21:00
3	Matthew Weston	258	C	2022-01-28 14:45:25
4	Erik Svensson	258	C	2024-04-02 14:36:58
5	Kevin	265	C	2020-05-05 09:59:56
6	Roberto Kreshna	268	C	2020-11-26 13:57:50
7	Anton Christensen	277	C	2019-10-05 10:51:21
8	Prudhvi Raj	285	C	2018-10-14 17:28:10
9	Srikar Ganesh	286	C	2019-03-10 19:02:53
10	John Prosper	289	C	2018-10-06 18:40:00

#	User	Length	Language	Date
1	Thomas Norris	498	C#	2019-10-18 18:45:15
2	Esty Crow	527	C#	2025-01-31 09:28:39
3	Anthony Ye	552	C#	2025-01-31 20:59:07
4	Anders Parsberg Wagner	644	C#	2020-09-30 19:36:33
5	Morten A	696	C#	2019-10-05 10:34:27
6	Yuwono Bangun Nagoro	700	C#	2022-10-02 17:09:17
7	Umar Rasyid	722	C#	2025-01-08 07:36:19
8	Krzysztof Magda	766	C#	2023-05-02 20:57:14
9	Göran Andersson	781	C#	2022-05-13 22:47:17
10	Nickolas Gupton	782	C#	2021-10-12 03:14:21

#	User	Length	Language	Date
1	Frans Meulenbroeks	104	C++	2024-12-16 23:04:05
2	Tyler Fernando	140	C++	2022-11-03 12:25:35
3	William Gan	148	C++	2018-12-04 11:52:14
4	Sumith Nalabolu	152	C++	2021-09-10 04:37:06
5	Quinn Flavel	153	C++	2021-12-28 07:06:21
6	Đậu Huy Minh	155	C++	2022-11-12 06:22:23
7	Ziyi Zhang	159	C++	2018-10-06 18:22:34
8	Shane Lambert	159	C++	2022-11-27 12:00:27
9	Kuma Telila	161	C++	2021-09-19 15:10:57
10	鹿目圆	163	C++	2019-05-05 12:07:48

#	User	Length	Language	Date
1	Hidden user	65	Common Lisp	2019-05-28 02:44:44
2	David Cawthon	263	Common Lisp	2019-05-12 16:23:54
3	Michael Reis	1569	Common Lisp	2019-03-19 16:32:53

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	312	F#	2022-07-21 12:39:14
2	Patrick Bahr	1896	F#	2021-02-23 20:49:12

#	User	Length	Language	Date
1	Hidden user	277	Go	2018-10-23 17:52:05
2	Sergey Jakobsen	285	Go	2022-02-04 00:10:13
3	Lasse Faurby Klausen	415	Go	2021-11-12 15:38:37
4	Krzysztof Gibuła	503	Go	2021-03-25 11:20:51
5	Jack Kryger Sørensen	753	Go	2022-01-19 17:38:17
6	Norbert Voelker	899	Go	2021-04-15 15:29:17

#	User	Length	Language	Date
1	Sebastian Banert	108	Haskell	2024-07-15 21:41:23
2	Tim Put	170	Haskell	2019-10-01 01:39:44
3	Steinar Simonnes	246	Haskell	2024-02-19 08:19:44
4	Hidden user	261	Haskell	2019-08-26 12:40:55
5	Leslie Yip	266	Haskell	2022-08-10 16:47:44
6	Brent Yorgey	270	Haskell	2018-10-10 03:20:51
7	David Zacek	280	Haskell	2021-06-01 20:50:03
8	Jan Hrček	299	Haskell	2020-11-07 10:58:03
9	Aurélien Pepin	317	Haskell	2019-08-14 09:52:37
10	Øyvind Almli	368	Haskell	2021-10-30 15:29:19

#	User	Length	Language	Date
1	Eric Nawrocki	271	Java	2019-03-21 00:07:59
2	Clay Buxton	283	Java	2019-03-21 00:00:53
3	Teertha Penumatcha	334	Java	2019-05-27 14:34:53
4	Sameer Puri	369	Java	2018-10-06 18:12:37
5	Bryce Norwood	370	Java	2018-10-06 21:27:00
6	Ricky Woodruff	376	Java	2018-10-06 18:11:13
7	Alex Santos Houbak	378	Java	2023-09-25 14:49:36
8	Jared Butler	381	Java	2018-10-06 18:16:45
9	Hamza Manzoor	381	Java	2019-04-11 23:45:11
10	Alec Kerrigan	382	Java	2018-10-06 18:57:58

#	User	Length	Language	Date
1	Peter Kedemo	334	JavaScript (Node.js)	2019-12-27 18:24:38
2	Gurpartap Singh Bhatti	472	JavaScript (Node.js)	2019-03-29 06:57:28
3	Oliver Bredenberg	594	JavaScript (Node.js)	2019-09-02 13:39:15
4	Andoko Chandra	687	JavaScript (Node.js)	2020-10-10 12:57:28
5	Niamh Limerick	750	JavaScript (Node.js)	2022-02-20 13:13:01
6	Howard Tin Chi Chan	818	JavaScript (Node.js)	2021-02-14 16:39:33
7	Chris Wong	899	JavaScript (Node.js)	2021-02-10 13:45:30
8	Sander Hellesø	937	JavaScript (Node.js)	2019-04-28 08:20:00
9	John	1021	JavaScript (Node.js)	2021-03-06 09:43:51
10	Carl Sundvall	1299	JavaScript (Node.js)	2018-10-28 00:24:26

#	User	Length	Language	Date
1	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-07-13 16:43:47
2	Evan Magill	173	JavaScript (SpiderMonkey)	2024-11-23 06:32:51
3	Bjørn Chr. Soltvedt	188	JavaScript (SpiderMonkey)	2018-10-09 04:25:12
4	Zach Tschetter	194	JavaScript (SpiderMonkey)	2025-02-16 23:41:39
5	Nguyễn Hùng Cường	207	JavaScript (SpiderMonkey)	2018-11-03 02:45:02
6	Christian Pilegaard Cederquist	317	JavaScript (SpiderMonkey)	2023-01-10 10:14:45
7	Peter Menyes	346	JavaScript (SpiderMonkey)	2021-08-13 22:07:55

#	User	Length	Language	Date
1	Danny Robinson	70	Julia	2023-06-22 01:01:54
2	Timothy Gaede	177	Julia	2024-04-09 16:09:22

#	User	Length	Language	Date
1	Clinton Walker	273	Kotlin	2019-09-13 17:45:52
2	ANDREY FELIPE PINTO URIBE	392	Kotlin	2025-03-10 21:20:13
3	Troy Warmboe	401	Kotlin	2020-02-11 19:07:01
4	Dmitry Shostak	409	Kotlin	2019-12-31 15:08:59
5	Hidden user	463	Kotlin	2019-12-01 10:23:18
6	Einar Kjellback	476	Kotlin	2019-12-12 14:44:40
7	Marcus Stojcevich	557	Kotlin	2018-10-06 18:11:26
8	Emil Wihlander	629	Kotlin	2024-07-20 01:15:21
9	Ola Sundell	728	Kotlin	2019-09-30 14:42:06
10	Adam Rankin	756	Kotlin	2023-04-24 17:53:25

#	User	Length	Language	Date
1	Hidden user	632	Odin	2025-06-09 04:14:01

#	User	Length	Language	Date
1	Ingemar Ragnemalm	550	Pascal	2018-12-05 11:39:05

#	User	Length	Language	Date
1	Andre Wahyudi	745	PHP	2023-03-17 10:23:21

#	User	Length	Language	Date
1	Hakan Kjellerstrand	181	Prolog	2023-02-09 11:01:52
2	Andriy Zyevakov	195	Prolog	2019-04-28 14:05:22

#	User	Length	Language	Date
1	Andreas Eisele	108	Python 2	2018-10-08 11:53:45
2	Thomas Feld	110	Python 2	2019-08-21 14:31:27
3	Joseph Durie	113	Python 2	2019-10-08 00:42:25
4	Godmar Back	117	Python 2	2018-10-06 23:54:55
5	Øyvind Haarberg	126	Python 2	2018-10-07 15:52:29
6	Guan Yang Ze	127	Python 2	2019-08-27 09:41:47
7	Justin Su	128	Python 2	2019-10-02 00:48:04
8	Maj Stenmark	145	Python 2	2018-10-09 19:10:04
9	Hermon Mulat	152	Python 2	2019-01-07 20:08:51
10	David Hou	158	Python 2	2018-10-11 07:55:30

#	User	Length	Language	Date
1	Lasse Letager Hansen	77	Python 3	2024-07-26 13:49:25
2	Si Jie Tan	79	Python 3	2026-01-11 02:18:59
3	Clement Oh	82	Python 3	2023-06-11 14:48:19
4	Hidden user	83	Python 3	2025-12-05 13:00:30
5	Eduardo Vicente Petry	84	Python 3	2023-02-08 23:55:13
6	Alexandre Charland	85	Python 3	2024-05-31 04:48:30
7	David Aldenbro	85	Python 3	2025-02-17 12:51:48
8	Mattéo Delabre	86	Python 3	2023-01-18 21:25:50
9	Charles Ancheta	87	Python 3	2023-04-09 08:21:01
10	Donald Li	88	Python 3	2024-10-07 16:35:04

#	User	Length	Language	Date
1	Thomas Feld	45	Ruby	2023-08-29 12:57:02
2	Matzuka	58	Ruby	2025-11-11 10:20:00
3	Clement Oh	66	Ruby	2023-10-24 07:20:02
4	Hidden user	74	Ruby	2020-06-23 13:09:24
5	Miorel Palii	79	Ruby	2018-11-03 22:22:56
6	Daniel Harder	90	Ruby	2019-11-07 01:03:33
7	Hidden user	107	Ruby	2019-02-27 17:32:46
8	Noah Hessen Bjerke	108	Ruby	2022-12-09 15:09:14
9	Hidden user	152	Ruby	2018-10-23 17:39:55
10	Chenzhang Hu	153	Ruby	2025-09-22 13:54:13

#	User	Length	Language	Date
1	Emil Dichmann	407	Rust	2025-09-18 01:59:16
2	Pankajkumar Patro	475	Rust	2024-08-23 13:43:49
3	Hidden user	486	Rust	2018-11-04 20:32:37
4	Freek van Keulen	560	Rust	2021-07-23 21:02:47
5	Henrik Josefsson	597	Rust	2025-07-16 16:16:01
6	Isak Jägberg	617	Rust	2024-10-18 22:11:38
7	David Rasch	665	Rust	2020-09-11 15:10:20
8	Martin Simensen	678	Rust	2019-05-12 21:08:41
9	Adam Gausmann	686	Rust	2019-10-25 22:21:03
10	Bob Hobelman	762	Rust	2021-10-25 09:01:16

Solution running time distribution