Problem B
CPR Number — Problem Statistics

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Submissions	5136
Accepted submissions	2860
Submission ratio	55.69%
Authors	2694
Full solves [?]	2574
Full solve Ratio	95.55%

#	User	Runtime	Language	Date
1	Steve Allen	0.01 s	APL	2023-05-13 06:59:18
2	Thomas Feld	0.01 s	APL	2023-05-15 07:25:47
3	JackTheEgg	0.01 s	APL	2023-07-07 22:08:41
4	Max NC	0.01 s	APL	2023-09-11 22:05:09
5	Matzuka	0.01 s	APL	2025-04-02 13:00:51

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2023-12-27 15:56:53

#	User	Runtime	Language	Date
1	GraViX	0.02 s	C#	2021-04-23 14:43:18
2	Mikael Fiala-Lundström	0.02 s	C#	2022-02-19 21:25:54
3	Daniel Juhl	0.02 s	C#	2022-02-25 16:01:19
4	Benny Antonsson	0.02 s	C#	2022-02-28 21:37:14
5	Victor Hultén Mattsson	0.02 s	C#	2022-03-01 10:07:01
6	Karoline Øijorden	0.02 s	C#	2022-03-03 07:23:19
7	Kristian Sørensen	0.02 s	C#	2022-03-22 22:05:08
8	Fabian	0.02 s	C#	2022-03-23 19:10:52
9	Julius Reiter	0.02 s	C#	2022-03-23 19:30:44
10	Kevin Miranda	0.02 s	C#	2022-03-25 13:40:17

#	User	Runtime	Language	Date
1	David Karguth	0.00 s	COBOL	2022-08-25 06:00:36
2	Tobias Glimmerfors	0.00 s	COBOL	2023-08-15 18:45:52

#	User	Runtime	Language	Date
1	CharsKun	0.01 s	Dart	2023-05-26 06:39:09

#	User	Runtime	Language	Date
1	Victor Rasmussen	0.03 s	F#	2022-09-23 15:58:02
2	Tim Mondorf	0.04 s	F#	2022-02-25 15:27:02
3	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-01 18:05:46
4	Jacob To	0.06 s	F#	2023-11-14 16:20:42
5	Elias Smedegaard	0.07 s	F#	2023-11-17 12:19:06

#	User	Runtime	Language	Date
1	King Lawrence L. Caubalejo	0.00 s	Go	2023-07-08 23:15:01
2	Peter Dinning	0.00 s	Go	2023-09-27 16:00:07
3	Diego Saldias	0.00 s	Go	2023-10-27 15:23:08
4	Suka Isnaini	0.00 s	Go	2023-12-10 16:29:12
5	Auwais	0.00 s	Go	2024-11-07 18:23:16
6	Siona Beaudoin	0.00 s	Go	2025-03-12 20:48:59
7	Yafet Seyoum	0.00 s	Go	2025-03-20 15:42:15
8	Marcus Henrik Simonsen	0.00 s	Go	2025-10-16 10:26:03
9	Jeroen Jongkees	0.02 s	Go	2022-08-13 20:55:56
10	Alexis Romero	0.02 s	Go	2022-08-26 10:58:15

#	User	Runtime	Language	Date
1	Adrian Borup	0.04 s	Java	2024-10-27 19:05:32
2	Goh Zhixuan Jeremiah	0.04 s	Java	2025-02-07 20:09:14
3	Markus Bao	0.04 s	Java	2025-09-09 04:06:54
4	Lee Heng Sheng	0.05 s	Java	2024-04-17 05:11:42
5	Luna Quist Poulsen	0.05 s	Java	2024-06-18 14:51:42
6	Albert Rise Nielsen	0.06 s	Java	2021-04-23 14:19:50
7	Hidden user	0.06 s	Java	2021-04-23 14:48:10
8	Sven Rönnbäck	0.06 s	Java	2022-02-21 19:35:51
9	Crystal Sharpe	0.06 s	Java	2022-02-22 03:44:58
10	Ryan Tan	0.06 s	Java	2022-02-22 06:06:39

#	User	Runtime	Language	Date
1	Yassin Swag	0.04 s	JavaScript (Node.js)	2023-12-01 09:42:28
2	Athergaming	0.05 s	JavaScript (Node.js)	2023-10-13 07:06:17
3	Christopher Churchwell	0.05 s	JavaScript (Node.js)	2023-11-24 15:40:02
4	Faisal Rahman	0.05 s	JavaScript (Node.js)	2024-01-31 05:38:35
5	Hidden user	0.05 s	JavaScript (Node.js)	2024-07-05 05:06:40
6	Klemen Randl	0.08 s	JavaScript (Node.js)	2022-07-07 17:03:33
7	Antti Ellilä	0.08 s	JavaScript (Node.js)	2023-02-03 23:22:36
8	John	0.09 s	JavaScript (Node.js)	2022-07-15 02:17:14
9	Hidden user	0.09 s	JavaScript (Node.js)	2023-02-27 14:03:15
10	Sokol Kosta	0.09 s	JavaScript (Node.js)	2023-02-27 14:08:28

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2022-02-19 12:46:06
2	Tyler VanHaren	0.02 s	JavaScript (SpiderMonkey)	2022-06-04 16:32:47
3	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-15 15:23:35
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2022-06-23 12:47:39
5	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-11-03 21:06:04
6	Nicklas Utgaard	0.02 s	JavaScript (SpiderMonkey)	2022-12-30 19:26:42
7	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-06-23 21:08:57
8	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-13 03:26:43
9	Ben Armstrong	0.02 s	JavaScript (SpiderMonkey)	2025-08-11 13:34:07

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-03-20 09:13:24
2	Danny Robinson	0.73 s	Julia	2023-09-01 00:37:29

#	User	Runtime	Language	Date
1	Ola Sundell	0.16 s	Kotlin	2022-02-21 15:03:43
2	Thobias Larsen	0.17 s	Kotlin	2022-05-26 08:15:45
3	Emil Wihlander	0.18 s	Kotlin	2023-05-08 20:28:54
4	Troels Bjerre Lund	0.19 s	Kotlin	2022-03-27 17:56:22
5	Troy Warmboe	0.19 s	Kotlin	2023-04-10 20:39:27
6	Preston Thomas	0.19 s	Kotlin	2023-08-06 06:50:32
7	Sergey Jakobsen	0.20 s	Kotlin	2022-02-23 23:35:45
8	Zaw Myat	0.20 s	Kotlin	2024-02-03 21:18:43
9	Martijn Muijsers	0.20 s	Kotlin	2024-05-28 08:03:48
10	Magnus Tønnessen	0.22 s	Kotlin	2022-05-13 11:28:48

#	User	Runtime	Language	Date
1	Hovig Manjikian	0.00 s	OCaml	2022-04-29 23:34:08

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-30 00:28:34

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2022-02-21 19:23:06
2	David Connolly	0.00 s	Pascal	2022-04-04 17:52:49

#	User	Runtime	Language	Date
1	Saito Ta	0.01 s	Perl	2024-04-08 10:44:15

#	User	Runtime	Language	Date
1	Renate Fiala-Lundström	0.01 s	PHP	2022-03-17 00:18:32
2	Nick Hargrove	0.01 s	PHP	2022-05-18 14:25:47
3	Andre Wahyudi	0.01 s	PHP	2022-09-26 03:06:07

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.02 s	Prolog	2023-01-21 21:54:45
2	Andriy Zyevakov	0.02 s	Prolog	2024-04-03 14:14:55

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-17 14:36:18
2	Johan Lyts	0.03 s	Python 2	2022-03-10 20:19:17
3	Yanmarshus Bachtiar	0.03 s	Python 2	2022-03-12 12:04:56
4	Gibransyah	0.03 s	Python 2	2022-03-14 09:23:33
5	Balamurugan M	0.03 s	Python 2	2023-07-04 15:04:31
6	Mythili S	0.07 s	Python 2	2025-03-30 06:31:33
7	KALAJAYANTHI M	0.07 s	Python 2	2025-10-03 04:39:38

#	User	Runtime	Language	Date
1	Frederik Peter Høngaard	0.04 s	Python 3	2022-06-04 20:27:14
2	Hidden user	0.04 s	Python 3	2022-06-06 09:15:19
3	Khang Trần	0.04 s	Python 3	2022-06-07 09:19:06
4	Gustav Wass	0.04 s	Python 3	2022-06-08 10:46:39
5	Hidden user	0.04 s	Python 3	2022-06-08 17:45:40
6	Trictan	0.04 s	Python 3	2022-06-11 12:22:22
7	Jaivignesh Venugopal	0.04 s	Python 3	2022-06-13 13:45:06
8	moukhass raja	0.04 s	Python 3	2022-06-13 15:01:45
9	Hasan Kalzi	0.04 s	Python 3	2022-06-17 14:34:12
10	András Biczó	0.04 s	Python 3	2022-06-17 19:12:29

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2022-11-01 09:35:57
2	Eugen Neagoe	0.06 s	Ruby	2023-04-06 20:48:16
3	Alexander Bilde Pedersen	0.06 s	Ruby	2023-04-08 15:56:32
4	Frederik Petersen	0.06 s	Ruby	2023-10-13 09:19:54
5	Krzys Hejno	0.06 s	Ruby	2025-01-22 15:58:39
6	Chenzhang Hu	0.07 s	Ruby	2024-05-24 15:07:54
7	Andreas Severin Hauch Trøstrup	0.07 s	Ruby	2024-11-26 13:09:58

#	User	Runtime	Language	Date
1	Danial Haseeb	0.00 s	Swift	2023-10-08 08:19:12

#	User	Runtime	Language	Date
1	Jhony Andreas	0.04 s	Visual Basic	2023-07-08 04:12:01
2	Christian Højgård Simonsen	0.04 s	Visual Basic	2023-10-31 16:57:12

#	User	Length	Language	Date
1	Thomas Feld	41	APL	2023-05-16 10:15:52
2	Steve Allen	42	APL	2023-05-13 06:59:18
3	Max NC	56	APL	2023-09-11 22:05:09
4	JackTheEgg	69	APL	2023-07-07 22:08:41
5	Matzuka	75	APL	2025-04-02 13:10:35

#	User	Length	Language	Date
1	Chenzhang Hu	56	Bash	2025-09-13 00:22:08

#	User	Length	Language	Date
1	Gaelin Shupe	72	C	2023-04-03 22:13:41
2	Benjamin Iserman	72	C	2023-04-04 16:36:10
3	David Medin	96	C	2023-04-03 03:31:25
4	Martin Blom	116	C	2023-09-20 11:38:24
5	Sawyer Frie	159	C	2023-03-31 07:04:19
6	Kjeld Janke Lück	239	C	2023-11-10 18:54:57
7	Jonatan Altebro	243	C	2025-04-08 10:50:26
8	James Christian Ruiz	259	C	2022-12-24 10:01:52
9	Florian ten Napel	273	C	2024-10-06 17:07:02
10	Justin Rainier Go	300	C	2024-09-15 13:07:55

#	User	Length	Language	Date
1	Gregory Sinclair	154	C#	2023-11-04 04:27:56
2	Aiden Bilyeu	192	C#	2023-02-04 02:18:10
3	Mikael Palokangas	208	C#	2023-08-07 18:19:38
4	traxex	246	C#	2024-04-29 11:15:02
5	Hidden user	319	C#	2024-02-26 21:38:44
6	Göran Andersson	339	C#	2022-05-07 21:32:13
7	Esty Crow	343	C#	2022-10-05 20:28:45
8	André Nøbbe Christiansen	381	C#	2023-11-06 20:04:46
9	Cecilia Nguyen	454	C#	2023-11-02 03:22:11
10	Peter Due Jensen	466	C#	2023-08-06 18:14:26

#	User	Length	Language	Date
1	Jordan A Hopkins	147	C++	2023-07-24 17:03:36
2	Jonas Rouven Schoenauer	162	C++	2022-10-19 03:42:43
3	Frans Meulenbroeks	165	C++	2024-10-22 20:08:57
4	Include	233	C++	2022-05-01 01:25:19
5	Evan Michael Bailey	234	C++	2023-04-20 00:33:09
6	黃太陽	243	C++	2022-02-24 16:26:20
7	Nicholas Jimmy Alden	250	C++	2022-12-04 04:16:53
8	Badrinath Konidala	255	C++	2022-12-31 05:34:50
9	Clinton Connelly	255	C++	2023-11-15 22:44:54
10	Samuel Tan	259	C++	2022-12-04 16:02:49

#	User	Length	Language	Date
1	Tobias Glimmerfors	1094	COBOL	2023-08-15 18:45:52
2	David Karguth	1358	COBOL	2022-08-25 06:00:36

#	User	Length	Language	Date
1	CharsKun	364	Dart	2023-05-26 06:39:09

#	User	Length	Language	Date
1	Tim Mondorf	323	F#	2022-02-25 15:27:02
2	Jacob Harris Cryer Kragh	369	F#	2022-06-01 17:58:26
3	Elias Smedegaard	465	F#	2023-11-17 12:19:06
4	Jacob To	875	F#	2023-11-14 16:20:42
5	Victor Rasmussen	884	F#	2022-09-23 15:58:02

#	User	Length	Language	Date
1	Suka Isnaini	303	Go	2023-12-10 16:29:12
2	Jimmy Nejtron	382	Go	2022-12-23 16:05:04
3	Alejandro Laufer	402	Go	2022-06-01 13:00:29
4	Alexis Romero	402	Go	2022-08-26 10:58:15
5	Zion	402	Go	2022-09-01 10:22:23
6	Reyes	402	Go	2023-02-06 08:23:31
7	Peter Dinning	402	Go	2023-09-27 16:00:07
8	Auwais	402	Go	2024-11-07 18:23:16
9	Robertus Bagaskara	404	Go	2022-04-02 01:24:06
10	Diego Saldias	421	Go	2023-10-27 15:23:08

#	User	Length	Language	Date
1	Matthew A Johnson	112	Haskell	2023-05-11 16:16:28
2	Sebastian Banert	187	Haskell	2023-04-05 13:53:21
3	Steinar Simonnes	191	Haskell	2023-02-03 22:13:10
4	Hidden user	241	Haskell	2024-01-31 18:33:11
5	Elizabeth Doughty	280	Haskell	2024-01-27 08:22:48
6	Rikke Aas	315	Haskell	2023-07-24 14:23:28
7	Brian Hwang	317	Haskell	2022-09-06 05:14:50
8	Daniel Cabral	318	Haskell	2022-03-04 09:00:33
9	Scott Dauer	325	Haskell	2022-03-10 03:55:30
10	Ng Tek In	338	Haskell	2022-08-07 16:26:59

#	User	Length	Language	Date
1	Einar Þór Ívarsson	385	Java	2024-02-08 17:50:43
2	Ranjith M	387	Java	2023-02-04 20:40:35
3	Jason Liu	398	Java	2023-04-27 16:40:31
4	Anton Sandin	406	Java	2022-04-20 12:29:50
5	Raymond Arrington	408	Java	2024-06-08 02:32:18
6	Aarav Bansal	411	Java	2023-04-28 15:28:07
7	Thomas King	422	Java	2024-06-19 02:10:01
8	Lim Ting Kai	424	Java	2023-05-30 11:10:36
9	Crystal Sharpe	429	Java	2022-02-22 03:44:58
10	Thomas Sørup Bavnhøj	450	Java	2022-07-31 20:13:05

#	User	Length	Language	Date
1	Antti Ellilä	226	JavaScript (Node.js)	2023-02-03 23:22:36
2	Yassin Swag	318	JavaScript (Node.js)	2023-12-01 09:42:28
3	Ram Basnet	388	JavaScript (Node.js)	2022-02-24 17:57:42
4	Thomas Lunøe	438	JavaScript (Node.js)	2023-02-27 14:23:04
5	marcus bryder	443	JavaScript (Node.js)	2023-02-27 14:18:45
6	Hidden user	445	JavaScript (Node.js)	2023-02-27 14:03:15
7	Christopher Churchwell	463	JavaScript (Node.js)	2023-11-24 15:40:02
8	Faisal Rahman	471	JavaScript (Node.js)	2024-01-31 05:38:35
9	Magnus Lundgren	474	JavaScript (Node.js)	2023-02-27 14:40:28
10	Imar Ismail	494	JavaScript (Node.js)	2023-02-27 14:23:11

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	93	JavaScript (SpiderMonkey)	2022-11-03 21:06:04
2	Evan Magill	114	JavaScript (SpiderMonkey)	2024-04-13 03:26:43
3	Ben Armstrong	127	JavaScript (SpiderMonkey)	2025-08-11 13:34:07
4	Jimmy Gustafsson	132	JavaScript (SpiderMonkey)	2022-06-23 12:47:39
5	Zach Tschetter	160	JavaScript (SpiderMonkey)	2023-06-23 21:08:57
6	Bjørn Chr. Soltvedt	167	JavaScript (SpiderMonkey)	2022-02-19 12:46:06
7	Håkan Lindahl	320	JavaScript (SpiderMonkey)	2022-06-15 15:23:35
8	Tyler VanHaren	374	JavaScript (SpiderMonkey)	2022-06-04 16:32:47
9	Nicklas Utgaard	475	JavaScript (SpiderMonkey)	2022-12-30 19:26:42

#	User	Length	Language	Date
1	Danny Robinson	97	Julia	2023-09-01 00:37:29
2	Timothy Gaede	459	Julia	2024-03-20 09:13:24

#	User	Length	Language	Date
1	Troels Bjerre Lund	181	Kotlin	2022-03-27 17:56:22
2	Troy Warmboe	286	Kotlin	2023-04-10 20:39:27
3	Sergey Jakobsen	292	Kotlin	2022-02-23 23:37:18
4	Magnus Tønnessen	341	Kotlin	2022-05-13 11:28:48
5	Adam Rankin	469	Kotlin	2023-05-01 04:27:09
6	Thobias Larsen	532	Kotlin	2022-05-26 08:15:45
7	Ola Sundell	553	Kotlin	2022-02-21 15:03:43
8	Emil Wihlander	568	Kotlin	2023-05-08 20:28:54
9	Zaw Myat	584	Kotlin	2024-02-03 21:18:43
10	Martijn Muijsers	674	Kotlin	2024-05-28 08:03:48

#	User	Length	Language	Date
1	Hovig Manjikian	394	OCaml	2022-04-29 23:34:08

#	User	Length	Language	Date
1	Hidden user	542	Odin	2025-04-30 00:28:34

#	User	Length	Language	Date
1	Ingemar Ragnemalm	461	Pascal	2022-02-21 19:23:06
2	David Connolly	688	Pascal	2022-04-04 17:52:49

#	User	Length	Language	Date
1	Saito Ta	56	Perl	2024-04-08 10:44:15

#	User	Length	Language	Date
1	Renate Fiala-Lundström	207	PHP	2022-03-17 00:18:32
2	Nick Hargrove	399	PHP	2022-05-18 14:25:47
3	Andre Wahyudi	448	PHP	2022-09-26 03:06:07

#	User	Length	Language	Date
1	Hakan Kjellerstrand	394	Prolog	2023-01-21 21:54:45
2	Andriy Zyevakov	479	Prolog	2024-04-03 14:14:55

#	User	Length	Language	Date
1	KALAJAYANTHI M	153	Python 2	2025-10-03 04:39:38
2	Yanmarshus Bachtiar	154	Python 2	2022-03-12 12:04:56
3	Johan Lyts	166	Python 2	2022-03-10 20:19:17
4	Gibransyah	222	Python 2	2022-03-14 09:23:33
5	Mythili S	381	Python 2	2025-03-30 06:31:33
6	Hasan Kalzi	930	Python 2	2022-03-01 13:02:12
7	Balamurugan M	930	Python 2	2023-07-04 15:04:31

#	User	Length	Language	Date
1	Kevin Gomez	72	Python 3	2023-07-24 22:37:32
2	Clement Oh	75	Python 3	2023-08-19 14:25:36
3	Joel Niemelä	83	Python 3	2025-03-30 05:38:06
4	Benjamin Z White	84	Python 3	2023-05-02 22:22:02
5	Tommi Järvenpää	84	Python 3	2024-03-08 12:04:42
6	Lawry Sorenson	87	Python 3	2022-12-03 00:00:33
7	Alexandre Douard	89	Python 3	2023-08-19 12:38:47
8	Jonathan Ståhl	90	Python 3	2024-10-10 17:10:59
9	JY Loh	91	Python 3	2022-11-08 10:11:19
10	Tom Chauvel	91	Python 3	2024-01-02 00:26:22

#	User	Length	Language	Date
1	Chenzhang Hu	47	Ruby	2024-05-24 15:07:54
2	Thomas Feld	64	Ruby	2022-11-03 12:32:38
3	Frederik Petersen	90	Ruby	2023-10-13 09:19:54
4	Andreas Severin Hauch Trøstrup	101	Ruby	2024-11-26 13:09:58
5	Alexander Bilde Pedersen	134	Ruby	2023-04-08 15:56:32
6	Eugen Neagoe	183	Ruby	2023-04-06 20:48:16
7	Krzys Hejno	378	Ruby	2025-01-22 16:00:09

#	User	Length	Language	Date
1	Vincent Lagerros	165	Rust	2024-11-24 18:56:10
2	Emil Dichmann	308	Rust	2025-09-14 11:00:31
3	Bas Dirks	433	Rust	2022-02-19 11:52:46
4	David Rasch	447	Rust	2022-04-15 12:03:35
5	Morten Raeburn	468	Rust	2023-09-17 14:45:48
6	Aske Wachs	476	Rust	2023-02-03 10:42:33
7	Alexander Skovsende	481	Rust	2022-02-25 15:38:48
8	Hidden user	491	Rust	2022-10-25 04:09:11
9	Pankajkumar Patro	501	Rust	2024-09-12 11:46:51
10	Connor Ford	552	Rust	2024-07-17 19:34:53

#	User	Length	Language	Date
1	Danial Haseeb	544	Swift	2023-10-08 08:19:12

#	User	Length	Language	Date
1	Jhony Andreas	477	Visual Basic	2023-07-08 04:12:01
2	Christian Højgård Simonsen	495	Visual Basic	2023-10-31 16:57:12

Solution running time distribution