Problem B
Grading — Problem Statistics

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Submissions	6662
Accepted submissions	3427
Submission ratio	51.44%
Authors	3263
Accepted authors	3087
Author ratio	94.61%

#	User	Runtime	Language	Date
1	Matzuka	0.01 s	APL	2025-03-23 22:16:22

#	User	Runtime	Language	Date
1	Danny Robinson	0.01 s	Bash	2023-09-04 12:43:23
2	Chandler McFarland	0.01 s	Bash	2025-02-11 20:26:10
3	Chenzhang Hu	0.07 s	Bash	2024-04-08 14:21:30

#	User	Runtime	Language	Date
1	Mikael Fiala-Lundström	0.02 s	C#	2021-10-17 22:04:14
2	Jesper Lundin	0.02 s	C#	2021-10-27 17:05:31
3	Hidden user	0.02 s	C#	2021-11-04 21:38:00
4	Maykal Droshev	0.02 s	C#	2021-11-07 01:47:24
5	Adrian Bay Dorph	0.02 s	C#	2021-11-20 17:47:54
6	Nikolai Valkamo	0.02 s	C#	2021-12-21 17:32:40
7	Surya Bhandari	0.02 s	C#	2022-01-05 16:59:30
8	Hidden user	0.02 s	C#	2022-01-09 21:30:40
9	Shima Valipour	0.02 s	C#	2022-01-26 18:15:14
10	Владимир Хилько	0.02 s	C#	2022-01-28 08:30:17

#	User	Runtime	Language	Date
1	Tim Mondorf	0.03 s	F#	2021-11-28 10:08:48
2	Jacob Harris Cryer Kragh	0.04 s	F#	2022-06-05 20:07:56

#	User	Runtime	Language	Date
1	Jimmy Nejtron	0.00 s	Go	2023-09-08 16:23:52
2	Tyler D Kelley	0.00 s	Go	2025-02-25 11:28:43
3	Hidden user	0.07 s	Go	2021-12-15 13:29:47
4	Siyabend Revend	0.07 s	Go	2022-02-10 19:13:42
5	Norbert Voelker	0.08 s	Go	2021-10-15 23:22:34
6	Resa Renaldy	0.08 s	Go	2021-10-25 09:53:09
7	Andras Nagy	0.08 s	Go	2022-01-05 04:10:24
8	Farrel Najib Anshary	0.08 s	Go	2022-01-30 16:12:49
9	Hidden user	0.08 s	Go	2022-02-10 10:46:49
10	Jahid Hasan Imon	0.08 s	Go	2022-02-25 21:17:20

#	User	Runtime	Language	Date
1	Ng Tek In	0.00 s	Haskell	2022-08-08 17:05:12
2	Sondre Lunde	0.00 s	Haskell	2022-11-09 18:39:21
3	Matias Raknes	0.00 s	Haskell	2022-11-15 20:08:57
4	Greg Rosser	0.00 s	Haskell	2023-08-09 08:01:17
5	Lucas Scharenbroch	0.00 s	Haskell	2023-09-17 17:02:16
6	Hidden user	0.00 s	Haskell	2023-09-28 19:32:30
7	吳文元	0.00 s	Haskell	2023-11-06 19:19:15
8	Steinar Simonnes	0.00 s	Haskell	2024-01-15 09:09:25
9	Hidden user	0.00 s	Haskell	2024-02-03 11:19:28
10	Jason Hooper	0.01 s	Haskell	2021-10-10 15:53:00

#	User	Runtime	Language	Date
1	Guangyi Zhou	0.04 s	Java	2024-12-01 15:00:16
2	Goh Zhixuan Jeremiah	0.04 s	Java	2025-02-07 21:15:02
3	Daniel Gutierrez Duarte	0.04 s	Java	2025-03-21 16:11:30
4	Lee Heng Sheng	0.05 s	Java	2024-04-17 07:17:38
5	Ku Brian	0.05 s	Java	2024-04-29 07:39:45
6	Luna Quist Poulsen	0.05 s	Java	2024-06-10 00:36:45
7	Hussin Suleiman	0.05 s	Java	2024-06-15 20:26:16
8	Michael O'Brien	0.06 s	Java	2021-10-18 19:16:38
9	Alexander Giroux	0.06 s	Java	2021-10-20 22:40:57
10	Erik Edén	0.06 s	Java	2021-10-22 03:08:01

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (Node.js)	2024-08-11 18:00:28
2	John Carr	0.04 s	JavaScript (Node.js)	2025-01-30 02:11:49
3	Peter Hairatidis	0.05 s	JavaScript (Node.js)	2023-10-10 23:19:40
4	John	0.08 s	JavaScript (Node.js)	2022-07-15 07:51:07
5	Muhammad Iqbal Bin Imran	0.42 s	JavaScript (Node.js)	2021-11-08 10:02:07
6	Ralf Leistad	0.42 s	JavaScript (Node.js)	2021-11-22 19:44:11
7	Ali	0.42 s	JavaScript (Node.js)	2021-12-19 11:04:50
8	Peter Kedemo	0.42 s	JavaScript (Node.js)	2022-01-02 11:18:53
9	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2022-01-10 23:43:02
10	Chris Wong	0.42 s	JavaScript (Node.js)	2022-01-12 15:19:45

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2021-10-12 12:36:35
2	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-10-29 12:42:47
3	Nicklas Utgaard	0.02 s	JavaScript (SpiderMonkey)	2021-12-22 19:45:50
4	Tyler VanHaren	0.02 s	JavaScript (SpiderMonkey)	2022-06-04 18:53:09
5	Håkan Lindahl	0.02 s	JavaScript (SpiderMonkey)	2022-06-16 17:08:00
6	Christian Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-12-30 00:27:32
7	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-04-22 21:02:57
8	Evan Magill	0.02 s	JavaScript (SpiderMonkey)	2024-04-13 05:30:09
9	Sofia Almroth	0.02 s	JavaScript (SpiderMonkey)	2024-05-14 14:45:26
10	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-06-09 23:06:58

#	User	Runtime	Language	Date
1	Timothy Gaede	0.52 s	Julia	2024-03-20 09:59:34
2	Danny Robinson	0.71 s	Julia	2023-09-04 12:41:27

#	User	Runtime	Language	Date
1	Jacob Huebner	0.13 s	Kotlin	2022-04-14 01:23:20
2	Ola Sundell	0.14 s	Kotlin	2021-10-25 15:06:50
3	Nicholas Johnson	0.16 s	Kotlin	2021-11-16 04:22:59
4	Jonas Lindvig	0.17 s	Kotlin	2022-11-11 14:02:08
5	Emil Wihlander	0.18 s	Kotlin	2023-07-24 20:18:41
6	Mathias Skallerud Jacobsen	0.19 s	Kotlin	2021-11-19 14:02:23
7	Emil Eriksmoen Stensland	0.19 s	Kotlin	2022-03-10 12:36:47
8	Troy Warmboe	0.19 s	Kotlin	2023-04-11 02:57:31
9	Martijn Muijsers	0.19 s	Kotlin	2024-05-28 10:07:12
10	Sergey Jakobsen	0.20 s	Kotlin	2021-10-17 14:07:35

#	User	Runtime	Language	Date
1	Sam Henke	0.00 s	OCaml	2023-09-30 17:19:28
2	Fredrik Eriksson	0.00 s	OCaml	2024-10-23 19:04:30

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Odin	2025-04-23 18:17:26

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2021-12-10 06:27:18
2	David Connolly	0.00 s	Pascal	2022-01-18 11:58:25

#	User	Runtime	Language	Date
1	Saito Ta	0.01 s	Perl	2024-04-08 12:47:50

#	User	Runtime	Language	Date
1	Renate	0.01 s	PHP	2021-11-08 22:10:53
2	Muhammad Asyraf bin Akop	0.01 s	PHP	2022-05-13 10:29:28
3	Andre Wahyudi	0.01 s	PHP	2022-12-07 09:55:27

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2022-08-07 12:35:41
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-03 20:25:33

#	User	Runtime	Language	Date
1	Hasan Kalzi	0.02 s	Python 2	2022-06-18 10:38:48
2	Johan Lyts	0.03 s	Python 2	2021-10-12 21:27:00
3	Yanmarshus Bachtiar	0.03 s	Python 2	2021-10-30 13:31:46
4	Andreas Björklund	0.03 s	Python 2	2021-11-10 17:00:02
5	Gibransyah	0.03 s	Python 2	2022-03-10 13:45:17

#	User	Runtime	Language	Date
1	Khang Trần	0.04 s	Python 3	2022-06-06 04:24:17
2	Elin Andersson	0.04 s	Python 3	2022-06-14 19:06:43
3	Carl Harrison	0.04 s	Python 3	2022-06-16 11:22:28
4	Frode Sandberg	0.04 s	Python 3	2022-06-16 22:56:33
5	Hasan Kalzi	0.04 s	Python 3	2022-06-18 10:38:33
6	Nguyen An	0.04 s	Python 3	2022-06-21 08:17:13
7	Tam Nguyen Minh	0.04 s	Python 3	2022-06-21 08:19:01
8	Dheepthi Mohanraj	0.04 s	Python 3	2022-06-24 23:08:01
9	Suus Brommer	0.04 s	Python 3	2022-06-28 19:45:55
10	Tobias Glimmerfors	0.04 s	Python 3	2022-07-01 15:37:35

#	User	Runtime	Language	Date
1	Régis Hanol	0.05 s	Ruby	2022-01-05 10:21:13
2	TobiasZ	0.05 s	Ruby	2022-01-15 15:40:23
3	Thomas Feld	0.06 s	Ruby	2022-11-09 12:04:10
4	Eugen Neagoe	0.06 s	Ruby	2023-03-24 12:22:51
5	Alexander Bilde Pedersen	0.06 s	Ruby	2023-05-05 00:22:17
6	Clement Oh	0.06 s	Ruby	2023-10-31 13:10:22

#	User	Runtime	Language	Date
1	Ana Anderlič	0.05 s	TypeScript	2024-01-15 18:02:51

#	User	Length	Language	Date
1	Matzuka	53	APL	2025-03-23 22:24:34

#	User	Length	Language	Date
1	Chenzhang Hu	5	Bash	2024-04-08 14:21:30
2	Danny Robinson	90	Bash	2023-09-04 12:43:23
3	Chandler McFarland	441	Bash	2025-02-11 20:26:10

#	User	Length	Language	Date
1	Martin Blom	108	C	2023-10-30 14:17:12
2	a_b__c	118	C	2021-11-27 09:34:41
3	Solar Solar	260	C	2021-12-24 06:17:51
4	Jonatan Altebro	275	C	2025-04-07 16:25:35
5	Oliver Ruste Jahren	279	C	2023-06-14 13:49:41
6	詹博宇	279	C	2023-11-06 18:02:26
7	ARPAN LADHA	283	C	2022-02-02 20:13:05
8	Mason Anderson	297	C	2025-03-31 20:53:31
9	KISHANRAAJ K	297	C	2025-04-13 06:31:32
10	James Christian Ruiz	300	C	2022-12-31 17:38:21

#	User	Length	Language	Date
1	Esty Crow	423	C#	2024-05-17 16:44:58
2	Deci Bel	453	C#	2025-02-28 14:16:29
3	Göran Andersson	488	C#	2022-05-08 18:49:12
4	Jacob Carlsson	542	C#	2022-02-24 15:22:25
5	Victor Hultén Mattsson	563	C#	2022-02-07 13:22:21
6	Frian Tampake	568	C#	2023-03-21 07:02:33
7	Ahmet Murat Gençay	597	C#	2023-09-06 23:02:10
8	Владимир Хилько	609	C#	2022-01-28 08:30:17
9	Jan Matthiessen	630	C#	2024-03-29 12:35:20
10	Ana Anderlič	681	C#	2024-01-15 19:18:11

#	User	Length	Language	Date
1	Frederik Vase	137	C++	2024-06-08 18:43:05
2	Javier del Río	194	C++	2023-08-03 11:06:15
3	Li Shuo	195	C++	2021-12-08 14:14:37
4	Gautham Kailash	204	C++	2023-06-30 10:31:38
5	Hidden user	212	C++	2023-06-01 15:29:26
6	黃太陽	219	C++	2022-02-23 16:02:53
7	Wen Hao	224	C++	2022-10-31 06:33:06
8	Yeung Man Tsung	226	C++	2022-11-19 07:00:46
9	Егор Порядин	232	C++	2022-04-25 07:16:47
10	Frans Meulenbroeks	232	C++	2024-11-10 23:00:42

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	401	F#	2022-06-05 20:07:56
2	Tim Mondorf	517	F#	2021-11-28 10:08:48

#	User	Length	Language	Date
1	Hidden user	345	Go	2021-12-15 13:29:47
2	Hidden user	351	Go	2022-02-10 10:46:49
3	Farrel Najib Anshary	406	Go	2022-01-30 16:12:49
4	Andreas Gottschalk Krath	418	Go	2022-03-14 22:35:02
5	Jahid Hasan Imon	423	Go	2022-02-25 21:17:20
6	Andras Nagy	435	Go	2022-01-05 04:10:24
7	Siyabend Revend	479	Go	2022-02-10 19:13:42
8	Jimmy Nejtron	480	Go	2023-09-08 16:23:52
9	Resa Renaldy	545	Go	2021-10-25 09:53:09
10	Norbert Voelker	592	Go	2021-10-15 23:22:34

#	User	Length	Language	Date
1	Sondre Lunde	254	Haskell	2022-11-09 18:39:21
2	Unslinga	269	Haskell	2021-10-21 13:58:06
3	Øyvind Almli	280	Haskell	2021-10-22 18:38:26
4	Klas af Geijerstam	293	Haskell	2022-03-23 06:54:27
5	Sebastian Banert	293	Haskell	2023-09-06 18:35:59
6	Greg Rosser	311	Haskell	2023-08-09 08:01:17
7	吳文元	314	Haskell	2023-11-06 19:19:15
8	Steinar Simonnes	315	Haskell	2024-01-15 09:09:25
9	Hidden user	315	Haskell	2024-02-03 11:19:28
10	Daniel Cabral	320	Haskell	2022-01-13 09:10:26

#	User	Length	Language	Date
1	Lim Ting Kai	344	Java	2023-11-15 16:16:46
2	Cory Haas	377	Java	2021-11-19 18:00:20
3	MOHAN KUMAR S	381	Java	2025-04-10 13:42:44
4	Aidan Briggs	402	Java	2021-12-01 20:37:35
5	Andrew Robbins	418	Java	2024-12-06 23:11:06
6	Thanh Le	429	Java	2023-03-13 19:05:01
7	Jason Liu	439	Java	2023-04-27 17:26:10
8	Kiet Tran	455	Java	2023-03-18 03:37:38
9	Frederick Phillip Javier	471	Java	2021-10-22 07:51:49
10	Nicholas Bui	494	Java	2022-06-05 16:39:21

#	User	Length	Language	Date
1	Ali	460	JavaScript (Node.js)	2021-12-19 11:04:50
2	Muhammad Iqbal Bin Imran	483	JavaScript (Node.js)	2021-11-08 10:02:07
3	Howard Tin Chi Chan	547	JavaScript (Node.js)	2022-01-10 23:43:02
4	John Carr	619	JavaScript (Node.js)	2025-01-30 02:11:49
5	Chris Wong	641	JavaScript (Node.js)	2022-01-12 15:19:45
6	Peter Kedemo	646	JavaScript (Node.js)	2022-01-02 11:18:53
7	Peter Hairatidis	666	JavaScript (Node.js)	2023-10-10 23:19:40
8	Hidden user	707	JavaScript (Node.js)	2023-08-04 03:22:45
9	John	719	JavaScript (Node.js)	2022-07-15 07:51:07
10	Ralf Leistad	819	JavaScript (Node.js)	2021-11-22 19:44:11

#	User	Length	Language	Date
1	Jimmy Gustafsson	99	JavaScript (SpiderMonkey)	2024-06-09 23:08:40
2	Bjørn Chr. Soltvedt	197	JavaScript (SpiderMonkey)	2021-10-12 12:36:35
3	Zach Tschetter	272	JavaScript (SpiderMonkey)	2023-04-22 21:02:57
4	Evan Magill	275	JavaScript (SpiderMonkey)	2024-04-13 05:30:09
5	Christian Cederquist	284	JavaScript (SpiderMonkey)	2022-12-30 00:27:32
6	Håkan Lindahl	313	JavaScript (SpiderMonkey)	2022-06-16 17:08:00
7	Peter Menyes	314	JavaScript (SpiderMonkey)	2021-10-29 12:42:47
8	Tyler VanHaren	337	JavaScript (SpiderMonkey)	2022-06-04 18:53:09
9	Sofia Almroth	475	JavaScript (SpiderMonkey)	2024-05-14 14:45:26
10	Nicklas Utgaard	504	JavaScript (SpiderMonkey)	2021-12-22 19:45:50

#	User	Length	Language	Date
1	Danny Robinson	91	Julia	2023-09-04 12:41:27
2	Timothy Gaede	429	Julia	2024-03-20 09:59:34

#	User	Length	Language	Date
1	Troy Warmboe	221	Kotlin	2023-04-11 02:57:31
2	Mathias Skallerud Jacobsen	239	Kotlin	2021-11-19 14:02:23
3	Magnus Tønnessen	252	Kotlin	2021-11-19 13:53:31
4	Emil Eriksmoen Stensland	278	Kotlin	2022-03-10 12:36:47
5	Hamdanil Rasyid	312	Kotlin	2025-03-31 02:28:15
6	Sergey Jakobsen	324	Kotlin	2021-10-17 14:07:35
7	Jonas Lindvig	353	Kotlin	2022-11-11 14:02:08
8	Jacob Huebner	422	Kotlin	2022-04-14 01:23:20
9	Emil Wihlander	467	Kotlin	2023-07-24 20:18:41
10	Martijn Muijsers	534	Kotlin	2024-05-28 10:07:12

#	User	Length	Language	Date
1	Sam Henke	387	OCaml	2023-09-30 17:19:28
2	Fredrik Eriksson	469	OCaml	2024-10-23 19:04:30

#	User	Length	Language	Date
1	Hidden user	456	Odin	2025-04-23 18:17:26

#	User	Length	Language	Date
1	Ingemar Ragnemalm	246	Pascal	2021-12-10 06:27:18
2	David Connolly	379	Pascal	2022-01-18 11:58:25

#	User	Length	Language	Date
1	Saito Ta	6	Perl	2024-04-08 12:49:34

#	User	Length	Language	Date
1	Renate	239	PHP	2021-11-08 22:10:53
2	Muhammad Asyraf bin Akop	544	PHP	2022-05-13 10:29:28
3	Andre Wahyudi	661	PHP	2022-12-07 09:55:27

#	User	Length	Language	Date
1	Hakan Kjellerstrand	304	Prolog	2023-02-03 20:39:58
2	Andriy Zyevakov	845	Prolog	2022-08-07 12:35:41

#	User	Length	Language	Date
1	Andreas Björklund	139	Python 2	2021-11-10 17:00:02
2	Johan Lyts	141	Python 2	2021-10-12 21:27:00
3	Yanmarshus Bachtiar	229	Python 2	2021-10-30 13:31:46
4	Gibransyah	406	Python 2	2022-03-10 13:45:17
5	Hasan Kalzi	469	Python 2	2022-06-18 10:38:48

#	User	Length	Language	Date
1	Clement Oh	63	Python 3	2023-05-24 05:46:28
2	Harry Zhang	66	Python 3	2023-03-16 14:06:07
3	Morten Clausen	76	Python 3	2022-10-27 22:41:38
4	Hidden user	76	Python 3	2025-01-16 00:07:53
5	Kevin Gomez	77	Python 3	2023-08-18 20:19:38
6	Thomas Feld	78	Python 3	2022-08-25 10:50:44
7	David Worley	82	Python 3	2024-01-31 16:09:26
8	Tommi Järvenpää	84	Python 3	2024-03-12 10:48:03
9	Thomas Draper	85	Python 3	2023-05-31 15:57:47
10	Lawry Sorenson	85	Python 3	2023-08-07 21:18:44

#	User	Length	Language	Date
1	Thomas Feld	54	Ruby	2023-01-02 14:26:23
2	Régis Hanol	83	Ruby	2022-01-05 10:21:13
3	Alexander Bilde Pedersen	96	Ruby	2023-05-05 00:22:17
4	Clement Oh	160	Ruby	2023-10-31 13:10:22
5	TobiasZ	248	Ruby	2022-01-15 15:40:23
6	Eugen Neagoe	320	Ruby	2023-03-24 12:22:51

#	User	Length	Language	Date
1	David Aldenbro	227	Rust	2023-09-21 20:06:15
2	Vincent Lagerros	289	Rust	2024-12-22 23:49:11
3	Ole Johan Walderhaug	447	Rust	2021-12-23 11:08:42
4	Pankajkumar Patro	634	Rust	2024-10-13 15:10:43
5	Taylor South	643	Rust	2024-10-01 23:21:01
6	David Rasch	655	Rust	2021-10-17 09:57:23
7	Isak Jägberg	678	Rust	2021-12-12 00:18:29
8	Alexander Zhou	697	Rust	2024-09-17 23:35:18
9	Marcus Dicander	715	Rust	2022-01-20 22:45:25
10	Thomas	729	Rust	2023-08-11 20:32:29

#	User	Length	Language	Date
1	Ana Anderlič	813	TypeScript	2024-01-15 18:02:51

Solution running time distribution