Problem B
Building Boundaries — Problem Statistics

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Submissions	1322
Accepted submissions	522
Submission ratio	39.49%
Authors	510
Full solves [?]	439
Full solve Ratio	86.08%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-10-06 14:31:57
2	Ivan Petrov	0.00 s	C	2019-10-09 08:32:15

#	User	Runtime	Language	Date
1	Dan Wolff	0.03 s	C#	2019-10-05 20:07:47
2	Sigrid Österling Sicking	0.03 s	C#	2019-10-10 08:48:02
3	Henrik Hallbert	0.03 s	C#	2019-10-12 22:30:03
4	Morten A	0.04 s	C#	2019-10-05 13:46:48
5	Klara Jonsson	0.04 s	C#	2020-03-24 10:26:46

#	User	Runtime	Language	Date
1	Md Akif Chowdhury	0.02 s	Haskell	2023-08-19 08:40:59
2	Rudy Matela	0.02 s	Haskell	2023-09-06 14:52:04
3	Steinar Simonnes	0.02 s	Haskell	2025-08-12 14:11:27
4	Elias Riedel Gårding	0.03 s	Haskell	2019-10-05 13:18:18
5	Brent Yorgey	0.03 s	Haskell	2019-12-22 06:05:13
6	Mark Lekkerkerker	0.05 s	Haskell	2020-06-23 16:57:33

#	User	Runtime	Language	Date
1	Sayam Goyal	0.06 s	Java	2025-11-21 05:43:19
2	David Brink	0.08 s	Java	2021-09-10 19:25:28
3	Dylan Smith	0.09 s	Java	2021-12-01 17:06:52
4	Steven Cheng	0.10 s	Java	2020-06-07 21:25:57
5	Sparsh Sanchorawala	0.11 s	Java	2019-10-05 11:39:09
6	Bjørn Dons	0.11 s	Java	2019-10-09 21:19:55
7	Hidden user	0.11 s	Java	2021-01-30 14:33:37
8	Kevin Lim Yong Shen	0.11 s	Java	2022-01-10 07:15:24
9	Colin Sullivan	0.12 s	Java	2019-10-13 20:32:56
10	Rene Argento	0.12 s	Java	2021-12-09 02:10:29

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.07 s	JavaScript (SpiderMonkey)	2023-08-03 01:06:55

#	User	Runtime	Language	Date
1	Benjamin Ye	0.16 s	Kotlin	2022-02-12 20:14:33
2	Jacob Huebner	0.17 s	Kotlin	2021-08-01 19:57:02

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.73 s	Prolog	2024-02-02 13:21:01

#	User	Runtime	Language	Date
1	Måns Magnusson	0.11 s	Python 2	2019-10-06 13:21:36
2	Maj Stenmark	0.11 s	Python 2	2019-10-06 13:24:32
3	Oskar Haarklou Veileborg	0.13 s	Python 2	2019-10-06 16:32:17
4	Asger Hautop Drewsen	0.14 s	Python 2	2019-10-06 00:36:46
5	Snild Dolkow	0.17 s	Python 2	2019-10-05 19:13:54
6	Yanmarshus Bachtiar	0.17 s	Python 2	2020-09-22 13:54:10
7	David Nilsson	0.18 s	Python 2	2019-10-05 12:36:57
8	Björn Magnusson	0.19 s	Python 2	2019-10-05 18:59:03
9	Lars Åström	0.19 s	Python 2	2019-10-05 22:54:09
10	Anton Älgmyr	0.22 s	Python 2	2019-10-05 12:53:37

#	User	Runtime	Language	Date
1	Will Belote	0.03 s	Python 3	2019-10-20 02:21:50
2	Gerth Stølting Brodal	0.04 s	Python 3	2019-10-05 17:44:03
3	Frederik Huss Nielsen	0.04 s	Python 3	2019-10-06 19:52:21
4	Ben Stutzman	0.04 s	Python 3	2019-10-13 21:28:24
5	Jonas Kylling	0.05 s	Python 3	2019-10-05 13:29:13
6	Joakim Sunde	0.05 s	Python 3	2019-10-05 13:41:28
7	Marcin Mateusz Hanc	0.05 s	Python 3	2019-10-05 14:51:24
8	Johan Teodor Westly	0.05 s	Python 3	2019-10-05 15:37:45
9	Mathias Weirsøe Klitgaard	0.05 s	Python 3	2019-10-06 10:30:20
10	Justus Karlsson	0.05 s	Python 3	2019-10-06 17:10:50

#	User	Runtime	Language	Date
1	Josenildo Silva	0.06 s	Ruby	2020-06-08 19:35:36

#	User	Runtime	Language	Date
1	Alexander Nortung	0.00 s	Rust	2020-10-28 00:06:15
2	Ole Johan Walderhaug	0.00 s	Rust	2020-11-11 01:52:22
3	Lukas Dutrieux	0.00 s	Rust	2025-11-17 17:54:47

#	User	Length	Language	Date
1	Bergur Snorrason	2052	C	2019-10-06 14:31:57
2	Ivan Petrov	2086	C	2019-10-09 08:32:15

#	User	Length	Language	Date
1	Henrik Hallbert	2373	C#	2019-10-12 22:30:03
2	Morten A	2585	C#	2019-10-05 13:46:48
3	Sigrid Österling Sicking	4367	C#	2019-10-10 08:48:02
4	Klara Jonsson	4367	C#	2020-03-24 10:26:46
5	Dan Wolff	4394	C#	2019-10-05 20:07:47

#	User	Length	Language	Date
1	Roope Salmi	727	C++	2019-10-05 11:45:17
2	Jannik Olbrich	785	C++	2019-10-11 10:36:54
3	Zihan Wang	798	C++	2019-10-13 20:01:30
4	Johan Wind	856	C++	2019-10-05 11:35:39
5	Santeri Toivonen	880	C++	2019-10-05 11:56:58
6	Davi Bonfim Moraes Morant de Holanda	883	C++	2023-01-27 20:34:55
7	Tigran Hakobyan	885	C++	2019-11-09 12:52:45
8	Juan Camilo Palacios Galvis	887	C++	2019-10-31 23:09:51
9	Diego Martinez	887	C++	2020-08-04 21:05:06
10	Akif Patel	888	C++	2020-06-17 06:16:25

#	User	Length	Language	Date
1	Md Akif Chowdhury	644	Haskell	2023-08-19 08:46:18
2	Elias Riedel Gårding	714	Haskell	2019-10-05 13:18:18
3	Mark Lekkerkerker	760	Haskell	2020-06-23 16:57:33
4	Steinar Simonnes	856	Haskell	2025-08-12 14:13:52
5	Brent Yorgey	901	Haskell	2019-12-22 06:05:13
6	Rudy Matela	1110	Haskell	2023-09-06 14:52:04

#	User	Length	Language	Date
1	Duncan Page	1221	Java	2019-11-04 23:50:26
2	Doug Goodman	1524	Java	2020-03-31 18:55:55
3	Colin Sullivan	1548	Java	2019-10-13 20:32:56
4	Yizhu Zhao	1795	Java	2019-10-13 20:39:47
5	Austin Legatt	1927	Java	2022-10-13 21:12:53
6	Morten Flensborg Jensen	2058	Java	2019-10-06 14:28:13
7	Julia Tönnies	2087	Java	2019-10-25 16:09:34
8	Paula Arnold	2200	Java	2019-10-25 15:05:48
9	Shivanya	2362	Java	2025-11-21 01:57:37
10	Benjamin Reidys	2399	Java	2019-10-14 23:15:05

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1478	JavaScript (SpiderMonkey)	2023-08-03 01:06:55

#	User	Length	Language	Date
1	Jacob Huebner	1365	Kotlin	2020-04-21 03:16:51
2	Benjamin Ye	2432	Kotlin	2022-02-12 20:14:33

#	User	Length	Language	Date
1	Andriy Zyevakov	3114	Prolog	2024-02-02 13:21:01

#	User	Length	Language	Date
1	Andreas Björklund	500	Python 2	2019-10-05 13:16:34
2	David Nilsson	821	Python 2	2019-10-05 12:36:57
3	Asger Hautop Drewsen	851	Python 2	2019-10-06 00:36:46
4	Oskar Haarklou Veileborg	851	Python 2	2019-10-06 16:32:17
5	Björn Magnusson	1015	Python 2	2019-10-05 18:59:03
6	Lars Åström	1061	Python 2	2019-10-05 22:54:09
7	Snild Dolkow	1066	Python 2	2019-10-05 19:13:54
8	Anton Älgmyr	1075	Python 2	2019-10-05 12:53:37
9	Søren Hjort	1184	Python 2	2019-10-06 11:06:17
10	Hidden user	1415	Python 2	2019-10-05 13:04:25

#	User	Length	Language	Date
1	Jakob Israelsen	339	Python 3	2022-10-09 09:54:57
2	Hidden user	381	Python 3	2024-03-15 09:30:22
3	Teikn Smith	426	Python 3	2024-07-21 01:06:35
4	Gerth Stølting Brodal	463	Python 3	2020-10-29 11:11:12
5	Li Shuo	482	Python 3	2022-03-28 02:59:18
6	Hrant Hovhannisyan	488	Python 3	2025-10-23 05:40:52
7	Nicholas Russell Saerang	512	Python 3	2025-03-10 04:47:06
8	Joonas Pihlajamaa	550	Python 3	2019-10-06 11:40:15
9	Gustavo Fadel	561	Python 3	2021-11-29 20:36:16
10	Mohammad Hashemi	578	Python 3	2020-05-13 19:21:11

#	User	Length	Language	Date
1	Josenildo Silva	630	Ruby	2020-06-08 19:35:36

#	User	Length	Language	Date
1	Lukas Dutrieux	2538	Rust	2025-11-17 17:54:47
2	Alexander Nortung	4217	Rust	2020-10-28 00:06:15
3	Ole Johan Walderhaug	4557	Rust	2020-11-11 01:52:22

Solution running time distribution