Problem D
The Plank — Problem Statistics

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Submissions	3521
Accepted submissions	2182
Submission ratio	61.97%
Authors	1792
Accepted authors	1651
Author ratio	92.13%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2023-10-04 08:22:57

#	User	Score	Language	Date
1	Michal Žáček	100	Common Lisp	2022-08-11 22:34:36

#	User	Score	Language	Date
1	Jacob Harris Cryer Kragh	100	F#	2022-07-25 19:03:12
2	Addison Schmidt	100	F#	2022-08-17 15:45:17
3	Peter Maas	100	F#	2025-02-15 20:17:44
4	Jacob To	100	F#	2023-11-15 21:31:51
5	Rasmus Streubel Nielsen	100	F#	2025-02-11 19:26:04

#	User	Score	Language	Date
1	Jimmy Nejtron	100	Go	2023-09-18 19:18:53
2	Zeheng Li	100	Go	2023-11-14 17:55:30
3	Colton Palmer	100	Go	2024-01-29 21:34:16
4	Romulus Pașca	100	Go	2024-03-20 08:59:37
5	Sergey Jakobsen	100	Go	2022-01-15 00:34:49
6	Norbert Voelker	100	Go	2021-10-19 13:45:07

#	User	Score	Language	Date
1	Hidden user	100	JavaScript (Node.js)	2024-09-12 21:15:20
2	Chris Wong	100	JavaScript (Node.js)	2022-01-23 22:24:24
3	Anders Høy Seemann Vestergaard	100	JavaScript (Node.js)	2022-06-02 16:53:41

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2021-10-12 10:38:00
2	Håkan Lindahl	100	JavaScript (SpiderMonkey)	2022-06-15 16:06:22
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2022-06-17 16:07:23
4	Christian Cederquist	100	JavaScript (SpiderMonkey)	2022-10-21 14:18:47
5	Evan Magill	100	JavaScript (SpiderMonkey)	2024-04-18 06:43:16
6	Peter Menyes	100	JavaScript (SpiderMonkey)	2021-11-06 11:18:44

#	User	Score	Language	Date
1	Alexandre Charland	100	Julia	2024-04-24 00:35:27
2	Timothy Gaede	100	Julia	2024-04-15 04:23:01

#	User	Score	Language	Date
1	Emil Wihlander	100	Kotlin	2023-07-25 21:50:52
2	Adam Rankin	100	Kotlin	2023-05-01 19:25:38
3	Troy Warmboe	100	Kotlin	2024-04-06 01:39:39
4	Chris Johnson	100	Kotlin	2023-04-12 22:24:48
5	Martijn Muijsers	100	Kotlin	2024-05-29 10:11:38

#	User	Score	Language	Date
1	Zeheng Li	100	Lua	2023-11-14 18:06:36

#	User	Score	Language	Date
1	Hidden user	100	Odin	2025-05-03 01:42:42

#	User	Score	Language	Date
1	David Connolly	100	Pascal	2022-04-08 17:40:38
2	Ingemar Ragnemalm	100	Pascal	2022-09-01 21:47:30

#	User	Score	Language	Date
1	Saito Ta	100	Perl	2024-04-18 10:16:52

#	User	Score	Language	Date
1	Renate	100	PHP	2023-07-19 01:45:16
2	Philippe Hubert	100	PHP	2023-12-31 11:22:07
3	Øyvind Johannessen	100	PHP	2021-11-01 12:21:58

#	User	Score	Language	Date
1	Hakan Kjellerstrand	100	Prolog	2023-02-13 19:21:01
2	Andriy Zyevakov	100	Prolog	2023-02-16 17:40:38

#	User	Score	Language	Date
1	Johan Lyts	100	Python 2	2021-10-12 20:52:52
2	Andreas Björklund	100	Python 2	2021-11-20 11:18:08
3	Marcel Rød	100	Python 2	2021-11-25 00:12:22
4	Yanmarshus Bachtiar	100	Python 2	2021-12-20 10:34:17
5	Sivasankaran D	100	Python 2	2025-08-02 11:58:36

#	User	Score	Language	Date
1	Jinwoo Lee	100	Racket	2025-01-26 02:30:49

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2022-10-21 14:37:24
2	Eugen Neagoe	100	Ruby	2023-07-04 14:25:25

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2023-10-04 08:22:57

#	User	Runtime	Language	Date
1	Adam Grady	0.02 s	C#	2021-10-28 16:05:26
2	Mikael Fiala-Lundström	0.02 s	C#	2021-10-31 23:24:41
3	Henrik Hallbert	0.02 s	C#	2022-03-20 18:16:46
4	Stefan Forsberg	0.02 s	C#	2022-04-27 13:44:06
5	Göran Andersson	0.02 s	C#	2022-05-14 14:07:31
6	Mads Pedersen	0.02 s	C#	2022-06-06 14:52:23
7	Eric Weiss	0.02 s	C#	2022-06-10 22:31:05
8	Dan Church	0.02 s	C#	2022-06-24 16:28:09
9	Hidden user	0.02 s	C#	2022-08-28 15:49:23
10	Steven Heinen	0.04 s	C#	2023-04-19 15:27:22

#	User	Runtime	Language	Date
1	Michal Žáček	0.01 s	Common Lisp	2022-08-11 22:34:36

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.03 s	F#	2022-07-25 19:03:12
2	Addison Schmidt	0.03 s	F#	2022-08-17 15:45:17
3	Peter Maas	0.05 s	F#	2025-02-15 20:17:44
4	Jacob To	0.08 s	F#	2023-11-15 21:31:51
5	Rasmus Streubel Nielsen	0.08 s	F#	2025-02-11 19:26:04

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2023-09-18 19:18:53
2	Zeheng Li	0.00 s	Go	2023-11-14 17:55:30
3	Colton Palmer	0.00 s	Go	2024-01-29 21:34:16
4	Romulus Pașca	0.00 s	Go	2024-03-20 08:59:37
5	Sergey Jakobsen	0.02 s	Go	2022-01-15 00:34:49
6	Norbert Voelker	0.08 s	Go	2021-10-19 13:45:07

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Java	2024-09-20 05:14:04
2	Stela Palii	0.04 s	Java	2024-12-12 03:08:40
3	Guangyi Zhou	0.04 s	Java	2024-12-17 07:49:49
4	Goh Zhixuan Jeremiah	0.04 s	Java	2025-02-15 16:15:54
5	leo wennberg	0.04 s	Java	2025-07-29 17:27:29
6	Lee Heng Sheng	0.05 s	Java	2024-04-17 10:56:33
7	Ku Brian	0.05 s	Java	2024-05-01 16:53:31
8	Daniel S	0.06 s	Java	2021-10-22 07:47:51
9	Crystal Sharpe	0.06 s	Java	2021-10-31 20:40:52
10	Anish Kambhampati	0.06 s	Java	2021-12-31 03:05:28

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	JavaScript (Node.js)	2024-09-12 21:15:20
2	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-23 22:24:24
3	Anders Høy Seemann Vestergaard	0.42 s	JavaScript (Node.js)	2022-06-02 16:53:41

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2021-10-12 10:38:00
2	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-15 16:06:22
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-17 16:07:23
4	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-10-21 14:18:47
5	Evan Magill	0.03 s	JavaScript (SpiderMonkey)	2024-04-18 06:43:16
6	Peter Menyes	0.04 s	JavaScript (SpiderMonkey)	2021-11-06 11:18:44

#	User	Runtime	Language	Date
1	Alexandre Charland	0.27 s	Julia	2024-04-24 00:35:27
2	Timothy Gaede	0.49 s	Julia	2024-04-15 04:23:01

#	User	Runtime	Language	Date
1	Emil Wihlander	0.16 s	Kotlin	2023-07-25 21:50:52
2	Adam Rankin	0.18 s	Kotlin	2023-05-01 19:25:38
3	Troy Warmboe	0.18 s	Kotlin	2024-04-06 01:39:39
4	Chris Johnson	0.19 s	Kotlin	2023-04-12 22:24:48
5	Martijn Muijsers	0.19 s	Kotlin	2024-05-29 10:11:38

#	User	Runtime	Language	Date
1	Zeheng Li	0.01 s	Lua	2023-11-14 18:06:36

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-05-03 01:42:42

#	User	Runtime	Language	Date
1	David Connolly	0.00 s	Pascal	2022-04-08 17:40:38
2	Ingemar Ragnemalm	0.00 s	Pascal	2022-09-01 21:47:30

#	User	Runtime	Language	Date
1	Saito Ta	0.00 s	Perl	2024-04-18 10:16:52

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2023-07-19 01:45:16
2	Philippe Hubert	0.01 s	PHP	2023-12-31 11:22:07
3	Øyvind Johannessen	0.02 s	PHP	2021-11-01 12:21:58

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-13 19:21:01
2	Andriy Zyevakov	0.07 s	Prolog	2023-02-16 17:40:38

#	User	Runtime	Language	Date
1	Johan Lyts	0.03 s	Python 2	2021-10-12 20:52:52
2	Andreas Björklund	0.03 s	Python 2	2021-11-20 11:18:08
3	Marcel Rød	0.03 s	Python 2	2021-11-25 00:12:22
4	Yanmarshus Bachtiar	0.03 s	Python 2	2021-12-20 10:34:17
5	Sivasankaran D	0.07 s	Python 2	2025-08-02 11:58:36

#	User	Runtime	Language	Date
1	Henry Xia	0.04 s	Python 3	2022-06-06 07:05:23
2	Petr	0.04 s	Python 3	2022-06-08 12:29:55
3	Frode Sandberg	0.04 s	Python 3	2022-06-15 15:53:43
4	Filip Kana	0.04 s	Python 3	2022-06-16 11:36:58
5	Björn Fi	0.04 s	Python 3	2022-06-17 22:39:04
6	Anders Dahl	0.04 s	Python 3	2022-06-19 22:32:09
7	Robin Fumei	0.04 s	Python 3	2022-06-20 16:06:12
8	Joakim Nylund	0.04 s	Python 3	2022-06-21 13:01:54
9	Tobias Glimmerfors	0.04 s	Python 3	2022-07-01 16:07:11
10	Elias Lundell	0.04 s	Python 3	2022-07-01 16:15:21

#	User	Runtime	Language	Date
1	Jinwoo Lee	0.23 s	Racket	2025-01-26 02:30:49

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-10-21 14:37:24
2	Eugen Neagoe	0.06 s	Ruby	2023-07-04 14:25:25

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-02-03 12:59:51

#	User	Length	Language	Date
1	Martin Blom	87	C	2023-10-15 22:28:27
2	Joel Scarinius	218	C	2023-08-07 16:50:13
3	Colton Palmer	252	C	2024-01-27 22:54:04
4	Hidden user	253	C	2024-10-04 18:18:52
5	Oscar Kamf	282	C	2022-06-21 14:18:26
6	Cameron Fairlie	286	C	2024-11-27 13:43:41
7	Drake Farrokhi	306	C	2023-12-24 01:51:44
8	Alexander Bilde Pedersen	331	C	2023-09-27 14:23:58
9	Børge Bjørnstadjordet	331	C	2024-07-24 14:58:47
10	Dylan Strickley	335	C	2022-05-23 21:55:44

#	User	Length	Language	Date
1	traxex	160	C#	2024-04-29 16:30:02
2	Gregory Sinclair	166	C#	2023-11-05 17:46:20
3	Henrik Hallbert	398	C#	2022-03-20 18:16:46
4	Erik Rabe	407	C#	2023-12-05 14:34:47
5	Anthony Ye	441	C#	2023-12-03 19:02:39
6	Esty Crow	460	C#	2023-12-03 06:48:05
7	Adam Grady	470	C#	2021-10-28 16:05:26
8	Michael Damsgaard	507	C#	2025-01-05 09:48:03
9	Benjamin Applegate	525	C#	2023-09-28 00:46:21
10	Stefan Forsberg	565	C#	2022-04-27 16:16:12

#	User	Length	Language	Date
1	Taylor Rodríguez	102	C++	2025-01-18 20:13:40
2	Frans Meulenbroeks	132	C++	2025-05-06 22:34:01
3	Mathias Gernez	156	C++	2025-06-06 22:10:06
4	森林	157	C++	2023-12-14 13:34:43
5	10360051 10360051	163	C++	2023-12-14 10:52:53
6	Brynjar Geir Sigurðsson	177	C++	2022-03-28 17:45:26
7	Pietro Agnoli	181	C++	2022-11-26 18:36:55
8	Eric Chin	184	C++	2023-01-13 06:27:11
9	Kevin Lin	186	C++	2024-01-11 13:36:02
10	Hidden user	204	C++	2022-05-24 13:59:17

#	User	Length	Language	Date
1	Michal Žáček	168	Common Lisp	2022-08-11 22:34:36

#	User	Length	Language	Date
1	Addison Schmidt	185	F#	2022-08-17 15:45:17
2	Rasmus Streubel Nielsen	227	F#	2025-02-11 19:26:04
3	Peter Maas	252	F#	2025-07-18 22:59:42
4	Jacob Harris Cryer Kragh	262	F#	2022-07-25 19:03:12
5	Jacob To	265	F#	2023-11-15 21:31:51

#	User	Length	Language	Date
1	Sergey Jakobsen	197	Go	2022-01-15 00:25:15
2	Zeheng Li	294	Go	2023-11-14 17:55:30
3	Colton Palmer	375	Go	2024-01-29 21:34:16
4	Jimmy Nejtron	461	Go	2023-09-18 19:18:53
5	Norbert Voelker	464	Go	2021-10-19 13:45:07
6	Romulus Pașca	563	Go	2024-03-20 08:59:37

#	User	Length	Language	Date
1	Zach Tschetter	87	Haskell	2021-10-26 04:37:52
2	Hidden user	98	Haskell	2021-10-25 03:08:09
3	Sebastian Banert	118	Haskell	2023-03-31 23:34:39
4	Øyvind Almli	184	Haskell	2021-11-01 12:03:34
5	Sebastian Paaske Tørholm	188	Haskell	2022-12-25 21:17:52
6	Christian Leipe	213	Haskell	2022-01-11 14:35:17
7	Steinar Simonnes	260	Haskell	2024-01-15 12:09:55
8	Ludvig Gunne Lindström	268	Haskell	2024-02-03 14:13:36
9	Hidden user	283	Haskell	2023-09-17 18:36:02
10	Ng Tek In	292	Haskell	2022-08-11 10:32:42

#	User	Length	Language	Date
1	Rasmus Poulsen	254	Java	2023-10-25 23:13:23
2	Lim Ting Kai	332	Java	2023-08-30 09:10:28
3	Anton Sandin	351	Java	2022-04-27 19:23:57
4	Felix Fatum	361	Java	2023-09-17 17:18:52
5	Said RIZQUE	363	Java	2021-11-08 22:59:48
6	Adrian Wireklint	386	Java	2021-11-07 16:07:25
7	Santiago Prieto	386	Java	2022-09-18 00:03:39
8	Kumar Chakraborty	390	Java	2023-05-28 05:22:24
9	Hidden user	395	Java	2022-03-25 19:50:06
10	Thomas King	399	Java	2024-06-24 18:33:31

#	User	Length	Language	Date
1	Hidden user	451	JavaScript (Node.js)	2023-08-19 07:08:10
2	Chris Wong	665	JavaScript (Node.js)	2022-01-23 22:24:24
3	Anders Høy Seemann Vestergaard	841	JavaScript (Node.js)	2022-06-02 16:53:41

#	User	Length	Language	Date
1	Christian Cederquist	55	JavaScript (SpiderMonkey)	2022-10-21 14:38:16
2	Bjørn Chr. Soltvedt	177	JavaScript (SpiderMonkey)	2021-10-12 10:38:00
3	Evan Magill	235	JavaScript (SpiderMonkey)	2024-04-18 06:43:16
4	Håkan Lindahl	311	JavaScript (SpiderMonkey)	2022-06-15 16:06:22
5	Jimmy Gustafsson	574	JavaScript (SpiderMonkey)	2022-06-17 16:07:23
6	Peter Menyes	1308	JavaScript (SpiderMonkey)	2021-11-06 11:18:44

#	User	Length	Language	Date
1	Alexandre Charland	100	Julia	2024-04-24 00:36:00
2	Timothy Gaede	960	Julia	2024-04-15 04:23:01

#	User	Length	Language	Date
1	Troy Warmboe	233	Kotlin	2024-04-06 01:39:39
2	Chris Johnson	340	Kotlin	2023-04-12 22:24:48
3	Emil Wihlander	386	Kotlin	2023-07-25 21:50:52
4	Adam Rankin	424	Kotlin	2023-05-01 19:25:38
5	Martijn Muijsers	603	Kotlin	2024-05-29 10:11:38

#	User	Length	Language	Date
1	Zeheng Li	222	Lua	2023-11-14 18:06:36

#	User	Length	Language	Date
1	Hidden user	655	Odin	2025-05-03 01:42:42

#	User	Length	Language	Date
1	Ingemar Ragnemalm	343	Pascal	2022-09-01 21:47:30
2	David Connolly	511	Pascal	2022-04-08 17:40:38

#	User	Length	Language	Date
1	Saito Ta	70	Perl	2024-04-18 10:16:52

#	User	Length	Language	Date
1	Renate	281	PHP	2023-07-19 01:45:16
2	Øyvind Johannessen	329	PHP	2021-11-01 12:21:58
3	Philippe Hubert	1497	PHP	2023-12-31 11:22:07

#	User	Length	Language	Date
1	Hakan Kjellerstrand	230	Prolog	2023-02-13 19:21:01
2	Andriy Zyevakov	788	Prolog	2023-02-16 17:40:38

#	User	Length	Language	Date
1	Andreas Björklund	138	Python 2	2021-11-20 11:18:08
2	Johan Lyts	168	Python 2	2021-10-12 20:52:52
3	Sivasankaran D	215	Python 2	2025-08-02 11:58:36
4	Marcel Rød	410	Python 2	2021-11-25 00:12:22
5	Yanmarshus Bachtiar	718	Python 2	2021-12-20 10:34:17

#	User	Length	Language	Date
1	Eugin Pahk	48	Python 3	2023-09-24 06:47:54
2	Kevin Gomez	49	Python 3	2025-05-19 08:24:37
3	Shashank Bhatt	51	Python 3	2023-09-24 06:30:38
4	Simon Hellsten	54	Python 3	2023-08-15 23:21:49
5	Thomas Feld	56	Python 3	2022-10-21 14:33:27
6	Benjamin Z White	61	Python 3	2023-05-04 21:08:08
7	Farzam Abrishami	61	Python 3	2025-05-04 17:08:42
8	Christopher Jernberg	69	Python 3	2022-12-25 16:03:25
9	Tai Tze Kin	72	Python 3	2024-05-01 14:56:36
10	Błażej Dariusz Roszkowski	72	Python 3	2022-12-24 13:52:20

#	User	Length	Language	Date
1	Jinwoo Lee	329	Racket	2025-01-26 02:30:49

#	User	Length	Language	Date
1	Thomas Feld	45	Ruby	2022-12-08 16:25:42
2	Eugen Neagoe	156	Ruby	2023-07-04 14:25:25

#	User	Length	Language	Date
1	David Aldenbro	167	Rust	2023-10-25 20:56:25
2	Vincent Lagerros	277	Rust	2025-01-02 01:36:40
3	David Rasch	413	Rust	2022-05-26 17:51:45
4	Pankajkumar Patro	419	Rust	2024-09-29 14:09:20
5	Kohlton Booth	428	Rust	2022-02-27 21:35:08
6	Ryan Mueller	454	Rust	2023-12-19 14:43:38
7	Emil Dichmann	465	Rust	2025-08-23 23:04:45
8	Hector Thøgersen	471	Rust	2024-03-11 12:34:17
9	Wilmer Johansen	474	Rust	2025-08-03 22:37:51
10	Eric Källman	484	Rust	2025-07-20 19:16:26

Solution running time distribution