Problem B
Please, Go First — Problem Statistics

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Submissions	403
Accepted submissions	223
Submission ratio	55.33%
Authors	205
Full solves [?]	177
Full solve Ratio	86.34%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-07-29 06:46:47
2	Sanjiv Dinakar	0.01 s	C	2022-06-30 17:43:38

#	User	Runtime	Language	Date
1	Niklas Larsson	0.11 s	C#	2021-05-26 19:27:06

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-11-27 19:53:06

#	User	Runtime	Language	Date
1	Tim Put	0.01 s	Haskell	2021-06-19 17:58:12
2	Steinar Simonnes	0.01 s	Haskell	2025-03-13 11:10:39
3	Aaron Allen	0.03 s	Haskell	2021-06-26 01:07:42
4	Ryan Yates	0.05 s	Haskell	2021-06-30 23:50:26
5	Md Akif Chowdhury	0.06 s	Haskell	2023-06-21 05:04:31
6	TJ Takei	0.06 s	Haskell	2025-06-09 06:35:17
7	Anurudh Reddy	0.16 s	Haskell	2021-06-22 12:31:48
8	Brent Yorgey	0.21 s	Haskell	2021-06-10 22:50:30
9	Ng Tek In	0.33 s	Haskell	2022-09-13 16:08:13

#	User	Runtime	Language	Date
1	Micah Stairs	0.07 s	Java	2016-07-28 03:42:30
2	Peter Beattie	0.07 s	Java	2017-12-19 16:26:57
3	Liam Keliher	0.08 s	Java	2016-07-23 19:58:37
4	Paul Boddington	0.08 s	Java	2017-01-18 23:18:11
5	Mehdi Maick	0.09 s	Java	2016-09-23 15:23:37
6	Bjørn Dons	0.09 s	Java	2023-07-03 09:15:36
7	Finn Lidbetter	0.10 s	Java	2016-07-26 00:43:14
8	Crystal Sharpe	0.12 s	Java	2020-08-06 19:55:45
9	Doug Goodman	0.14 s	Java	2018-03-23 15:26:31
10	Andrew Polizzotto	0.14 s	Java	2020-02-29 06:03:06

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.07 s	JavaScript (SpiderMonkey)	2023-07-24 07:17:54

#	User	Runtime	Language	Date
1	Adam Rankin	0.33 s	Kotlin	2023-09-25 03:56:47

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.04 s	Python 2	2018-11-09 12:19:51
2	Andreas Björklund	0.05 s	Python 2	2019-08-14 16:09:16

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 3	2023-09-11 17:55:13
2	Zach Hacking	0.06 s	Python 3	2023-10-26 01:11:28
3	Christian Komusiewicz	0.07 s	Python 3	2019-02-14 22:28:59
4	Daryll Ko	0.07 s	Python 3	2022-01-24 09:10:46
5	Leslie Yip	0.07 s	Python 3	2022-07-25 13:08:22
6	Michelle Sweering	0.07 s	Python 3	2022-11-04 16:05:00
7	Peter Stauder	0.07 s	Python 3	2023-04-07 08:40:37
8	Benjamin Z White	0.07 s	Python 3	2023-05-21 21:29:22
9	Nicholas Russell Saerang	0.07 s	Python 3	2023-08-14 19:54:23
10	Jtest	0.07 s	Python 3	2023-10-24 05:14:04

#	User	Runtime	Language	Date
1	Thomas Feld	0.11 s	Ruby	2023-08-10 11:20:32
2	Donald Dong	0.15 s	Ruby	2019-03-08 16:54:11
3	Carlos Agarie	0.32 s	Ruby	2023-02-20 03:10:43

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2019-09-18 04:19:47
2	Arnav Sastry	0.01 s	Rust	2021-06-25 04:38:00
3	Muhammad Rais Fathin Mudzakir	0.02 s	Rust	2021-05-30 09:32:01
4	Bas Dirks	0.04 s	Rust	2022-02-07 13:19:27

#	User	Length	Language	Date
1	Ivan Petrov	660	C	2019-07-29 06:46:47
2	Sanjiv Dinakar	3918	C	2022-06-30 17:43:38

#	User	Length	Language	Date
1	Niklas Larsson	2657	C#	2021-05-26 19:27:06

#	User	Length	Language	Date
1	Dmitry Lyubshin	466	C++	2023-04-12 01:02:44
2	人外沙耶	491	C++	2021-06-21 05:39:41
3	Hidden user	494	C++	2017-10-25 22:28:12
4	Chris Sun	528	C++	2020-10-29 01:10:14
5	Phuwadon Phuchumni_	568	C++	2025-06-29 11:43:53
6	Koen	576	C++	2020-04-01 18:06:58
7	Ignacio Castellano Vega	581	C++	2023-03-29 10:09:55
8	Marc Phua	584	C++	2020-12-10 08:47:03
9	Johan Wind	592	C++	2018-11-01 02:25:51
10	Matthew Fahrbach	595	C++	2018-11-06 18:29:48

#	User	Length	Language	Date
1	Norbert Voelker	996	Go	2021-11-27 19:54:49

#	User	Length	Language	Date
1	Ryan Yates	608	Haskell	2021-06-30 23:50:26
2	Aaron Allen	683	Haskell	2021-06-26 01:30:08
3	Tim Put	707	Haskell	2021-06-19 17:58:12
4	Md Akif Chowdhury	737	Haskell	2023-06-21 05:04:31
5	Anurudh Reddy	818	Haskell	2021-06-21 08:55:37
6	Ng Tek In	1060	Haskell	2022-09-13 16:08:13
7	Steinar Simonnes	2124	Haskell	2025-03-13 11:10:39
8	TJ Takei	2430	Haskell	2025-06-09 06:35:17
9	Brent Yorgey	6780	Haskell	2021-06-10 22:50:30

#	User	Length	Language	Date
1	Doug Goodman	761	Java	2018-03-23 15:26:31
2	Hidden user	971	Java	2022-09-24 14:18:10
3	Haobo Jiang	1032	Java	2016-11-16 15:57:36
4	Andrew Polizzotto	1128	Java	2020-02-29 06:03:06
5	Mack Wong Yoong Yee	1199	Java	2024-02-21 08:03:17
6	Matt Peter	1209	Java	2019-02-22 20:33:20
7	Erik Baalhuis	1225	Java	2016-04-04 18:05:22
8	Joshua Workman	1245	Java	2020-09-16 23:47:33
9	Ta Quang Minh	1254	Java	2016-10-03 22:25:28
10	Liam Keliher	1301	Java	2016-07-23 19:59:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	474	JavaScript (SpiderMonkey)	2023-07-24 07:17:54

#	User	Length	Language	Date
1	Adam Rankin	658	Kotlin	2023-09-25 03:56:47

#	User	Length	Language	Date
1	Andreas Björklund	387	Python 2	2019-08-14 16:09:16
2	Jesper Öqvist	534	Python 2	2018-11-09 12:19:51

#	User	Length	Language	Date
1	Benjamin Z White	186	Python 3	2023-05-21 21:59:00
2	Yong Mao	208	Python 3	2023-12-08 01:34:41
3	Peter Stauder	219	Python 3	2023-04-07 08:47:28
4	Hidden user	261	Python 3	2023-09-11 17:55:13
5	Bryan Juniano	285	Python 3	2025-04-22 17:35:39
6	Jtest	289	Python 3	2023-10-24 05:14:04
7	Jason Oliphant	289	Python 3	2023-10-24 05:14:15
8	Nicholas Russell Saerang	323	Python 3	2023-08-14 19:54:23
9	Rafael Kristoforus Yanto	333	Python 3	2025-05-09 09:07:09
10	Sarek Høverstad Skotåm	335	Python 3	2022-02-13 20:19:45

#	User	Length	Language	Date
1	Thomas Feld	90	Ruby	2023-08-10 11:29:17
2	Donald Dong	327	Ruby	2019-03-08 16:54:11
3	Carlos Agarie	1244	Ruby	2023-02-20 03:10:43

#	User	Length	Language	Date
1	Bas Dirks	1115	Rust	2022-02-07 13:19:27
2	Hidden user	1666	Rust	2019-09-17 05:03:13
3	Arnav Sastry	2686	Rust	2021-06-25 04:38:00
4	Muhammad Rais Fathin Mudzakir	4830	Rust	2021-05-30 09:32:01

Solution running time distribution