Problem B
Problem Classification — Problem Statistics

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Submissions	1903
Accepted submissions	718
Submission ratio	37.73%
Authors	641
Accepted authors	569
Author ratio	88.77%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2025-03-29 15:30:02
2	Sambit Palit	0.01 s	C	2020-11-13 21:30:46

#	User	Runtime	Language	Date
1	Klas af Geijerstam	0.03 s	C#	2018-02-03 16:11:28
2	Marek	0.04 s	C#	2020-10-14 11:04:14
3	Jakub Jarząbek	0.04 s	C#	2020-10-16 22:49:02
4	Ong Cheng Geng	0.05 s	C#	2020-08-08 13:02:50
5	Henrik Hallbert	0.06 s	C#	2019-11-02 19:58:29
6	Andrzej Krajniak	0.06 s	C#	2020-10-14 08:04:37
7	Askar Rakhimzhanov	0.07 s	C#	2020-10-18 02:07:50
8	Yuwono Bangun Nagoro	0.07 s	C#	2022-08-18 17:02:00
9	Jan Matthiessen	0.08 s	C#	2020-08-25 19:39:01

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Common Lisp	2019-07-17 06:44:26

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.09 s	F#	2023-05-06 20:10:13

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-10-30 14:09:55
2	Chris Vilches	0.37 s	Go	2024-09-21 17:18:46

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.01 s	Haskell	2024-11-06 17:17:40
2	Joshua Coward	0.10 s	Haskell	2022-02-03 17:47:43
3	Brent Yorgey	0.26 s	Haskell	2018-04-14 17:05:37

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.08 s	Java	2022-02-27 19:29:23
2	Tan Xing Zhong	0.10 s	Java	2024-10-11 09:24:24
3	Ben Cobb	0.11 s	Java	2023-10-01 23:20:37
4	Mattias Gustafsson	0.12 s	Java	2018-01-20 13:59:18
5	James Black	0.12 s	Java	2018-07-25 17:38:44
6	Ranjith M	0.12 s	Java	2023-10-28 04:04:10
7	Logan Pipes	0.13 s	Java	2022-03-08 06:00:19
8	Santiago Rivas	0.13 s	Java	2024-12-28 14:03:34
9	Markus Larsson	0.14 s	Java	2018-01-20 13:43:55
10	Sondre Nilsen	0.14 s	Java	2018-08-29 17:32:23

#	User	Runtime	Language	Date
1	Peter Kedemo	0.43 s	JavaScript (Node.js)	2019-12-29 13:05:38
2	Daniel Angulo	0.45 s	JavaScript (Node.js)	2021-02-16 21:12:24

#	User	Runtime	Language	Date
1	Christian Cederquist	0.05 s	JavaScript (SpiderMonkey)	2023-06-03 22:01:25
2	Zach Tschetter	0.06 s	JavaScript (SpiderMonkey)	2023-06-15 16:52:22
3	Bjørn Chr. Soltvedt	0.20 s	JavaScript (SpiderMonkey)	2018-02-02 02:11:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.60 s	Julia	2024-05-08 17:12:24

#	User	Runtime	Language	Date
1	Hidden user	0.34 s	Kotlin	2020-04-05 08:37:28
2	Phường Lên	0.38 s	Kotlin	2019-11-20 04:37:06

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Python 2	2018-01-20 13:08:18
2	Hidden user	0.03 s	Python 2	2018-01-20 13:26:32
3	Ciara Godwin	0.03 s	Python 2	2018-04-01 17:14:37
4	Sigurður Jens Albertsson	0.04 s	Python 2	2018-02-20 15:14:13
5	Miorel Palii	0.04 s	Python 2	2018-02-27 04:12:47
6	Alfredo Beaumont	0.04 s	Python 2	2018-02-28 12:28:28
7	Hermon Mulat	0.04 s	Python 2	2018-11-21 19:04:02
8	Hidden user	0.04 s	Python 2	2018-12-03 21:06:51
9	Lars Åström	0.04 s	Python 2	2019-03-28 14:55:05
10	Andreas Björklund	0.04 s	Python 2	2019-05-27 06:05:35

#	User	Runtime	Language	Date
1	Wayne	0.02 s	Python 3	2018-01-30 19:30:07
2	Jeremy Fernandez	0.02 s	Python 3	2019-11-16 23:23:10
3	Marcus Dicander	0.03 s	Python 3	2018-01-20 13:35:38
4	Ivar Källström	0.03 s	Python 3	2018-01-20 13:39:39
5	Aaron Dunigan AtLee	0.03 s	Python 3	2018-02-08 07:31:25
6	Cheng Hang	0.03 s	Python 3	2018-02-23 12:51:44
7	Emma Ziegellaub Eichler	0.03 s	Python 3	2018-02-27 04:09:44
8	Ram Basnet	0.03 s	Python 3	2018-03-17 06:45:49
9	Peter Beattie	0.03 s	Python 3	2018-05-20 22:44:54
10	Vincent Tandya	0.03 s	Python 3	2018-06-25 05:35:30

#	User	Runtime	Language	Date
1	Miorel Palii	0.08 s	Ruby	2018-01-21 23:18:40

#	User	Runtime	Language	Date
1	Pahlevi Fikri Auliya	0.00 s	Rust	2020-11-07 12:50:29
2	Vincent Lagerros	0.00 s	Rust	2024-08-23 19:27:56
3	Erik Magnusson	0.00 s	Rust	2024-12-10 18:34:11
4	Ming Kang	0.00 s	Rust	2025-06-06 10:06:31
5	Bas Dirks	0.01 s	Rust	2022-01-24 12:11:00
6	Aaron Lengyel	0.01 s	Rust	2023-01-14 22:59:56
7	David Rasch	0.01 s	Rust	2023-09-21 15:59:55

#	User	Length	Language	Date
1	Hidden user	1810	C	2025-03-29 15:30:02
2	Sambit Palit	3721	C	2020-11-13 21:30:46

#	User	Length	Language	Date
1	Klas af Geijerstam	1795	C#	2018-02-03 16:11:28
2	Jakub Jarząbek	1867	C#	2020-10-16 22:49:02
3	Henrik Hallbert	1915	C#	2019-11-02 19:58:29
4	Marek	2221	C#	2020-10-14 11:04:14
5	Ong Cheng Geng	2468	C#	2020-08-08 13:02:50
6	Yuwono Bangun Nagoro	2530	C#	2022-08-18 17:02:00
7	Jan Matthiessen	4536	C#	2020-08-25 19:39:01
8	Askar Rakhimzhanov	6596	C#	2020-10-18 02:42:32
9	Andrzej Krajniak	20448	C#	2020-10-14 08:04:37

#	User	Length	Language	Date
1	Jesús Pacheco Alonso	596	C++	2025-03-06 13:34:38
2	Jason Cannon	600	C++	2020-01-07 20:30:44
3	Alexander Skidanov	625	C++	2025-01-17 19:58:04
4	Evelyn Chen	662	C++	2019-05-02 12:37:31
5	Tan Yi Long	671	C++	2023-12-29 07:53:02
6	Daryll Ko	692	C++	2021-12-23 08:58:19
7	Hyunjun Lee	714	C++	2022-11-12 07:59:15
8	Ang Yi Xian Symeon	718	C++	2019-03-25 21:19:07
9	Han Moe Htet	724	C++	2020-07-14 03:25:47
10	Ang Kiang Yang	726	C++	2019-03-25 14:01:07

#	User	Length	Language	Date
1	Hidden user	1002	Common Lisp	2019-07-17 06:44:26

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1767	F#	2023-05-06 20:10:13

#	User	Length	Language	Date
1	Chris Vilches	824	Go	2024-08-16 19:45:52
2	Norbert Voelker	1475	Go	2021-10-30 14:09:55

#	User	Length	Language	Date
1	Joshua Coward	1118	Haskell	2022-02-03 17:47:43
2	Steinar Simonnes	1235	Haskell	2024-11-06 17:17:40
3	Brent Yorgey	2054	Haskell	2018-04-14 17:05:37

#	User	Length	Language	Date
1	Doug Goodman	948	Java	2018-04-05 20:49:02
2	Daniel Joyce	1207	Java	2018-03-16 04:21:55
3	Eric Leow Yu Quan	1210	Java	2021-01-17 06:24:47
4	Evan Losier	1327	Java	2019-11-21 00:47:32
5	Logan Pipes	1405	Java	2022-03-08 06:00:19
6	Markus Bao	1484	Java	2024-06-28 02:15:38
7	Emilie Hyslop	1543	Java	2022-04-01 08:01:06
8	Nguyen Phuoc Bao Hoang	1564	Java	2021-08-04 16:49:40
9	Hiếu Vũ Minh	1570	Java	2020-10-07 17:35:44
10	Viet Dang	1604	Java	2018-03-11 02:35:40

#	User	Length	Language	Date
1	Peter Kedemo	1053	JavaScript (Node.js)	2019-12-29 13:05:38
2	Daniel Angulo	2517	JavaScript (Node.js)	2021-02-16 21:13:04

#	User	Length	Language	Date
1	Zach Tschetter	706	JavaScript (SpiderMonkey)	2023-06-15 16:52:22
2	Bjørn Chr. Soltvedt	792	JavaScript (SpiderMonkey)	2018-02-02 02:11:40
3	Christian Cederquist	819	JavaScript (SpiderMonkey)	2023-06-03 22:01:25

#	User	Length	Language	Date
1	Timothy Gaede	859	Julia	2024-05-08 17:12:24

#	User	Length	Language	Date
1	Phường Lên	899	Kotlin	2019-11-20 04:37:06
2	Hidden user	2067	Kotlin	2020-04-05 08:37:28

#	User	Length	Language	Date
1	Thomas Feld	316	Python 2	2019-08-16 15:22:36
2	Johan Lyts	424	Python 2	2020-02-09 13:52:07
3	Alfredo Beaumont	451	Python 2	2018-02-28 12:28:28
4	Oskar Haarklou Veileborg	467	Python 2	2019-11-05 16:21:14
5	Jesper Öqvist	489	Python 2	2019-08-15 01:04:41
6	Andreas Björklund	533	Python 2	2019-05-27 06:05:35
7	Yanmarshus Bachtiar	543	Python 2	2020-09-15 04:43:18
8	Ciara Godwin	588	Python 2	2018-04-01 17:14:37
9	Lars Åström	588	Python 2	2019-03-28 14:55:05
10	Sigurður Jens Albertsson	670	Python 2	2018-02-20 15:14:13

#	User	Length	Language	Date
1	Artur Khuziakhmetov	299	Python 3	2025-03-02 11:28:14
2	Ahmed Chamseddine	339	Python 3	2025-05-12 16:07:59
3	Kyle Wells	357	Python 3	2024-10-04 15:31:53
4	Kai Hoop	381	Python 3	2018-02-27 22:20:00
5	Nicholas Russell Saerang	383	Python 3	2023-06-24 14:05:35
6	Liam Scalzulli	421	Python 3	2021-06-06 21:11:31
7	Alexander Viklund	423	Python 3	2020-02-14 00:05:29
8	Elias Amha	425	Python 3	2019-11-28 12:49:05
9	Hidden user	432	Python 3	2023-01-29 12:03:40
10	Victor Song	448	Python 3	2022-12-26 02:35:14

#	User	Length	Language	Date
1	Miorel Palii	499	Ruby	2018-01-21 23:18:40

#	User	Length	Language	Date
1	David Rasch	1154	Rust	2023-09-21 15:59:55
2	Bas Dirks	1965	Rust	2022-01-24 12:11:00
3	Ming Kang	2407	Rust	2025-06-06 10:06:31
4	Pahlevi Fikri Auliya	2773	Rust	2020-11-07 12:50:29
5	Erik Magnusson	4817	Rust	2024-12-10 18:34:11
6	Aaron Lengyel	5638	Rust	2023-01-14 22:59:56
7	Vincent Lagerros	18552	Rust	2024-08-23 19:27:56

Solution running time distribution