Problem B
Sim — Problem Statistics

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Submissions	16833
Accepted submissions	16089
Submission ratio	95.58%
Authors	2734
Full solves [?]	2108
Full solve Ratio	77.10%

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2020-09-10 10:11:58
2	Hidden user	100	C	2020-11-21 13:39:11
3	Sven Rönnbäck	100	C	2022-02-20 11:36:28
4	Rasmus Bruhn Nielsen	100	C	2022-12-23 18:27:22
5	Perry Weller (student)	100	C	2023-10-06 19:37:26
6	Jauhar Arifin	100	C	2023-11-14 03:23:10
7	Tyler Mulholland	100	C	2024-10-17 01:15:05
8	葉欲禾	90	C	2022-02-25 20:23:07
9	Sebastian Olea Schaufler	85	C	2024-08-19 01:55:19
10	Alexander Bilde Pedersen	60	C	2023-04-02 12:23:25

#	User	Score	Language	Date
1	David Cawthon	100	Common Lisp	2020-11-30 00:47:18
2	KatSch	100	Common Lisp	2022-11-26 14:55:42
3	Jinwoo Lee	60	Common Lisp	2020-10-02 03:52:46
4	Hidden user	60	Common Lisp	2022-08-23 23:34:37

#	User	Score	Language	Date
1	Morten Clausen	90	F#	2021-01-02 14:50:26
2	Martin Handest	60	F#	2023-09-20 09:31:35
3	oskar holland	0	F#	2023-09-20 10:33:46

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2022-01-26 20:40:32
2	David Rosendorf	100	Go	2022-11-09 12:48:01
3	Muhammad Ilham Hidayat	60	Go	2023-11-12 08:04:12
4	Mukhlas Rosyadi	60	Go	2023-11-13 09:07:25
5	Ade Hendra	60	Go	2023-11-13 11:13:11
6	Hidden user	60	Go	2023-11-15 03:16:38
7	Pandhu Hutomo Aditya	60	Go	2023-11-15 10:27:25
8	Kiki Ibrahim	0	Go	2024-05-13 07:32:21
9	Krzysztof Gibuła	0	Go	2024-10-23 14:14:38
10	Hidden user	0	Go	2024-12-15 00:53:34

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2020-06-19 12:37:00
2	Tim Put	100	Haskell	2020-10-13 15:59:32
3	Bjarki Baldursson Harksen	100	Haskell	2021-11-09 02:20:23
4	Hidden user	100	Haskell	2022-05-23 09:54:51
5	Øyvind Almli	100	Haskell	2023-01-10 10:24:25
6	Oisín Mac Fhearaí	90	Haskell	2020-12-30 01:52:15
7	Steinar Simonnes	90	Haskell	2025-05-25 19:22:39

#	User	Score	Language	Date
1	Greg Gorlen	100	JavaScript (Node.js)	2022-02-17 18:53:03
2	Anas Rachyd	0	JavaScript (Node.js)	2020-06-25 13:48:13

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2020-07-08 22:09:08
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2023-06-18 07:31:18

#	User	Score	Language	Date
1	Danny Robinson	100	Julia	2024-10-17 06:11:33
2	Timothy Gaede	55	Julia	2025-03-26 04:34:07

#	User	Score	Language	Date
1	Adam Koprowski	100	Kotlin	2020-08-25 21:28:08
2	Min-Zheng Shieh	100	Kotlin	2021-03-17 12:59:46
3	Alexandre Conte	100	Kotlin	2021-09-13 23:00:18
4	Johnny Baloney	100	Kotlin	2022-01-10 18:44:04
5	Luka Chabot	90	Kotlin	2025-10-06 14:32:20
6	James WIlliams	60	Kotlin	2020-09-27 07:52:33
7	Lars-Petter Hansen	60	Kotlin	2021-01-12 22:54:15
8	Filip de Figueiredo	60	Kotlin	2021-08-12 20:04:42
9	Ola Sundell	60	Kotlin	2022-09-13 15:17:24

#	User	Score	Language	Date
1	Luis Maria Costero Valero	0	Lua	2025-01-08 19:06:29

#	User	Score	Language	Date
1	Hidden user	100	Nim	2025-10-24 10:20:16

#	User	Score	Language	Date
1	Connor Billings	85	PHP	2020-11-03 20:34:42

#	User	Score	Language	Date
1	Timothy Mou	100	Python 2	2020-09-26 16:58:21
2	Yanmarshus Bachtiar	100	Python 2	2020-10-19 00:53:37
3	Sigurður Jens Albertsson	100	Python 2	2021-02-22 17:33:09
4	Gibransyah	85	Python 2	2022-03-28 03:17:12
5	Thomas Feld	60	Python 2	2020-06-18 07:35:10
6	Hidden user	60	Python 2	2020-08-15 20:31:51
7	Ainun Najib	60	Python 2	2020-09-10 11:43:18
8	chunfang tan	60	Python 2	2021-05-06 16:00:22
9	Anita Zielinska	60	Python 2	2021-09-01 17:45:21
10	Minjun Choi	0	Python 2	2022-06-01 19:20:37

#	User	Score	Language	Date
1	Hidden user	90	Ruby	2022-11-07 16:53:44

#	User	Score	Language	Date
1	Hidden user	85	Swift	2023-11-11 15:53:07

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Zig	2024-07-13 15:36:56
2	Joe Blower	100	Zig	2025-05-08 00:58:54

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.04 s	C	2022-02-20 11:36:28
2	Rasmus Bruhn Nielsen	0.04 s	C	2022-12-23 20:34:06
3	Tyler Mulholland	0.05 s	C	2024-10-17 01:15:05
4	Jauhar Arifin	0.07 s	C	2023-11-14 03:23:10
5	Bergur Snorrason	0.11 s	C	2020-09-10 10:12:31
6	Perry Weller (student)	0.16 s	C	2023-10-06 19:42:22
7	Hidden user	0.22 s	C	2020-11-21 13:39:11

#	User	Runtime	Language	Date
1	Anders Petersen	0.22 s	C#	2022-04-08 12:45:38
2	traxex	0.26 s	C#	2024-05-06 16:52:31
3	Jakob Møller-Andersen	0.28 s	C#	2022-09-04 12:01:10
4	Rickard Bemm	0.29 s	C#	2021-03-25 16:58:41
5	Kevin Miranda	0.29 s	C#	2022-02-18 12:31:12
6	Bryan Shiffman	0.32 s	C#	2021-12-09 19:04:14
7	Henrik Hallbert	0.37 s	C#	2021-11-22 12:57:31
8	Nils Nyman	0.50 s	C#	2022-05-01 09:59:53
9	Zach Champeau	0.54 s	C#	2023-09-06 22:00:59
10	Julio Cesar	0.56 s	C#	2025-06-19 22:24:20

#	User	Runtime	Language	Date
1	Isabella Cheong	0.04 s	C++	2019-09-20 08:36:04
2	Mark Wong Tau Yew	0.04 s	C++	2019-10-16 14:35:03
3	Tan E-shin	0.04 s	C++	2020-09-07 08:23:09
4	Ben Wu	0.04 s	C++	2021-09-04 13:19:10
5	Mikael K Eriksson	0.04 s	C++	2022-04-14 06:02:24
6	Hoàng Minh Nguyễn	0.04 s	C++	2023-12-25 06:58:58
7	Clement Cheng Le Da	0.05 s	C++	2019-09-14 17:26:45
8	Andreas Cendranata	0.05 s	C++	2020-01-20 15:49:24
9	William Taylor-Melanson	0.05 s	C++	2020-09-05 12:36:14
10	Connor McLaughlan	0.05 s	C++	2021-01-30 02:34:18

#	User	Runtime	Language	Date
1	KatSch	0.40 s	Common Lisp	2022-11-26 14:55:42
2	David Cawthon	0.51 s	Common Lisp	2020-11-30 00:47:18

#	User	Runtime	Language	Date
1	Norbert Voelker	0.47 s	Go	2022-01-26 21:33:06
2	David Rosendorf	0.62 s	Go	2022-11-09 12:48:01

#	User	Runtime	Language	Date
1	Øyvind Almli	0.24 s	Haskell	2023-01-10 12:10:09
2	Tim Put	0.26 s	Haskell	2020-10-13 16:21:23
3	Brent Yorgey	0.42 s	Haskell	2020-06-19 13:10:21
4	Hidden user	0.48 s	Haskell	2022-05-23 10:09:47
5	Bjarki Baldursson Harksen	0.83 s	Haskell	2021-11-09 02:20:23

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.16 s	Java	2022-02-20 10:46:36
2	Clement Oh	0.17 s	Java	2022-08-27 06:38:36
3	Jakub Jagiello	0.23 s	Java	2022-05-14 10:48:13
4	Guangyi Zhou	0.25 s	Java	2024-12-14 05:47:04
5	Crystal Sharpe	0.28 s	Java	2020-06-19 04:25:57
6	Rasmus Ruby Bagge	0.31 s	Java	2024-12-03 19:10:44
7	Luke Tan	0.31 s	Java	2025-08-10 12:32:11
8	Ang Song Yee	0.36 s	Java	2023-09-09 03:58:58
9	Stela Palii	0.37 s	Java	2022-03-24 04:25:07
10	Doug Goodman	0.38 s	Java	2020-09-27 13:46:16

#	User	Runtime	Language	Date
1	Greg Gorlen	0.79 s	JavaScript (Node.js)	2022-02-17 18:53:03

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.32 s	JavaScript (SpiderMonkey)	2020-07-08 22:09:08
2	Christian Pilegaard Cederquist	0.77 s	JavaScript (SpiderMonkey)	2023-06-18 07:31:18

#	User	Runtime	Language	Date
1	Danny Robinson	0.65 s	Julia	2024-10-17 06:11:33

#	User	Runtime	Language	Date
1	Johnny Baloney	0.63 s	Kotlin	2022-01-10 18:46:19
2	Adam Koprowski	0.74 s	Kotlin	2020-08-29 14:14:11
3	Min-Zheng Shieh	0.88 s	Kotlin	2021-03-17 12:59:46
4	Alexandre Conte	0.94 s	Kotlin	2021-09-13 23:02:08

#	User	Runtime	Language	Date
1	Hidden user	0.80 s	Nim	2025-10-24 10:20:16

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.32 s	Python 2	2020-10-19 00:53:37
2	Timothy Mou	0.87 s	Python 2	2020-09-26 16:58:21
3	Sigurður Jens Albertsson	0.93 s	Python 2	2021-02-22 17:33:09

#	User	Runtime	Language	Date
1	Petr	0.23 s	Python 3	2025-06-27 15:49:58
2	Hidden user	0.29 s	Python 3	2022-09-16 22:21:59
3	Avery	0.31 s	Python 3	2025-07-19 07:04:03
4	Hidden user	0.32 s	Python 3	2022-04-02 08:03:13
5	Franco Sepulveda	0.32 s	Python 3	2024-08-30 03:51:25
6	Sam	0.32 s	Python 3	2025-09-08 15:14:32
7	Hussin Suleiman	0.32 s	Python 3	2025-10-17 21:45:47
8	Ema Becirovic	0.33 s	Python 3	2020-10-01 11:14:18
9	Hrishikesh Sawant	0.33 s	Python 3	2021-01-17 04:51:38
10	Tan Zhi Ming Jaswin	0.33 s	Python 3	2022-03-27 10:22:10

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.04 s	Rust	2024-06-02 02:01:17
2	Michael Droogleever Fortuyn	0.06 s	Rust	2022-03-21 19:02:06
3	Artur Khuziakhmetov	0.07 s	Rust	2025-01-16 07:15:49
4	Ryan O'Hara	0.08 s	Rust	2022-02-09 07:19:28
5	Hidden user	0.08 s	Rust	2022-12-02 10:05:42
6	Egor Kulikov	0.11 s	Rust	2024-10-18 15:45:07
7	Hidden user	0.13 s	Rust	2020-10-30 04:23:16
8	Bas Dirks	0.13 s	Rust	2022-02-03 09:54:43
9	Klas af Geijerstam	0.15 s	Rust	2020-09-01 14:01:14
10	Pahlevi Fikri Auliya	0.17 s	Rust	2020-10-11 22:58:41

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.05 s	Zig	2024-07-13 17:26:40
2	Joe Blower	0.07 s	Zig	2025-05-08 00:58:54

#	User	Length	Language	Date
1	Hidden user	1796	C	2020-11-21 13:39:11
2	Jauhar Arifin	1974	C	2023-11-14 03:23:10
3	Sven Rönnbäck	2194	C	2022-02-20 11:36:28
4	Tyler Mulholland	2597	C	2024-10-17 01:15:05
5	Perry Weller (student)	2632	C	2023-10-06 19:37:26
6	Rasmus Bruhn Nielsen	3099	C	2022-12-23 20:34:06
7	Bergur Snorrason	3303	C	2020-09-10 10:11:58

#	User	Length	Language	Date
1	Thomas Feld	1060	C#	2020-06-18 08:13:01
2	traxex	1073	C#	2024-05-06 16:52:31
3	Zach Champeau	1349	C#	2023-09-06 22:00:59
4	Nils Nyman	1794	C#	2022-05-01 09:59:53
5	Julio Cesar	1828	C#	2025-06-19 22:24:20
6	Jakob Møller-Andersen	2001	C#	2022-09-04 12:01:10
7	Rickard Bemm	2153	C#	2021-03-25 16:58:41
8	Henrik Hallbert	2690	C#	2021-11-22 12:57:31
9	Bryan Shiffman	5438	C#	2021-12-09 19:04:14
10	Anders Petersen	5605	C#	2022-04-08 12:45:38

#	User	Length	Language	Date
1	Emmanuel Anaya	409	C++	2020-10-14 02:28:31
2	koriyuki	503	C++	2023-11-29 14:27:27
3	Modak Shantanu Bharat	508	C++	2019-09-08 01:23:34
4	Mugeon Kim	508	C++	2024-03-07 06:03:51
5	Marçal	511	C++	2022-10-12 16:55:21
6	Markus Mathiasen	528	C++	2021-09-14 18:15:21
7	Jeremy Samuel Kwik Yi Xian	532	C++	2019-09-20 04:08:42
8	Clement Oh	538	C++	2023-10-27 16:04:37
9	Dmitry Lyubshin	546	C++	2023-03-20 04:37:24
10	Lim An Jun	549	C++	2023-04-04 07:47:21

#	User	Length	Language	Date
1	KatSch	2385	Common Lisp	2022-11-26 14:55:42
2	David Cawthon	2621	Common Lisp	2020-11-30 00:47:18

#	User	Length	Language	Date
1	Norbert Voelker	1151	Go	2022-01-26 20:40:32
2	David Rosendorf	1396	Go	2022-11-09 12:48:01

#	User	Length	Language	Date
1	Tim Put	785	Haskell	2020-10-13 16:24:34
2	Øyvind Almli	958	Haskell	2023-01-10 12:10:09
3	Hidden user	1163	Haskell	2022-05-23 10:09:47
4	Bjarki Baldursson Harksen	1526	Haskell	2021-11-09 02:20:23
5	Brent Yorgey	1876	Haskell	2020-06-19 12:37:00

#	User	Length	Language	Date
1	Yeung Man Tsung	843	Java	2022-07-18 12:20:16
2	Patrick J Maher	850	Java	2020-11-06 06:26:37
3	Hidden user	903	Java	2025-09-23 09:14:56
4	CS180 SBCC	966	Java	2020-10-08 02:24:05
5	Lee Yi Lin	1083	Java	2023-09-09 03:55:45
6	Daryl Ghee Shao Wen	1094	Java	2024-09-16 23:08:51
7	Luke Eales	1131	Java	2022-11-20 09:34:28
8	Soh Soon Wei	1132	Java	2023-09-10 06:15:15
9	Benedict Bryan Tjandra	1155	Java	2023-10-28 08:43:10
10	Hidden user	1187	Java	2023-09-09 07:05:37

#	User	Length	Language	Date
1	Greg Gorlen	1023	JavaScript (Node.js)	2022-02-17 22:19:41

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	903	JavaScript (SpiderMonkey)	2020-07-08 22:09:08
2	Christian Pilegaard Cederquist	3013	JavaScript (SpiderMonkey)	2023-06-18 07:31:18

#	User	Length	Language	Date
1	Danny Robinson	176	Julia	2024-10-17 06:11:33

#	User	Length	Language	Date
1	Alexandre Conte	670	Kotlin	2021-09-13 23:00:18
2	Johnny Baloney	855	Kotlin	2022-01-10 18:44:04
3	Min-Zheng Shieh	1262	Kotlin	2021-03-17 12:59:46
4	Adam Koprowski	1353	Kotlin	2020-08-25 21:28:08

#	User	Length	Language	Date
1	Hidden user	1245	Nim	2025-10-24 10:20:16

#	User	Length	Language	Date
1	Yanmarshus Bachtiar	854	Python 2	2020-10-19 00:53:37
2	Timothy Mou	1297	Python 2	2020-09-26 16:58:21
3	Sigurður Jens Albertsson	1649	Python 2	2021-02-22 17:33:09

#	User	Length	Language	Date
1	Jason Clarke	240	Python 3	2024-04-02 08:08:05
2	Jayden Pahukula	285	Python 3	2023-09-04 01:54:45
3	Thomas Draper	321	Python 3	2023-06-05 16:40:40
4	Liam Kellogg	326	Python 3	2024-03-31 02:07:26
5	Peter Stauder	329	Python 3	2023-04-21 20:31:05
6	Zhang Wei Ethan	336	Python 3	2022-03-26 12:45:54
7	Vadim Kudlay	342	Python 3	2020-09-16 21:21:19
8	Jonathan Dastrup	396	Python 3	2024-09-24 01:34:33
9	Hidden user	398	Python 3	2022-03-24 17:05:54
10	Charles Gyer	407	Python 3	2022-11-24 19:00:41

#	User	Length	Language	Date
1	Hidden user	384	Rust	2022-12-02 10:23:53
2	Artur Khuziakhmetov	878	Rust	2025-01-15 14:00:04
3	Hidden user	1360	Rust	2020-10-30 04:23:16
4	Ryan O'Hara	1506	Rust	2022-02-09 07:19:28
5	Akemi Izuko	1651	Rust	2022-09-10 22:33:18
6	Vincent Lagerros	1662	Rust	2024-06-02 02:01:17
7	Bas Dirks	2596	Rust	2022-02-03 09:54:43
8	Michael Droogleever Fortuyn	3052	Rust	2022-03-21 19:02:06
9	Pahlevi Fikri Auliya	4109	Rust	2020-10-11 22:58:41
10	Klas af Geijerstam	6504	Rust	2020-09-01 14:01:14

#	User	Length	Language	Date
1	Javier Gómez Díaz	1369	Zig	2024-07-13 17:03:55
2	Joe Blower	4863	Zig	2025-05-08 00:58:54

Solution running time distribution