Problem B
Basin City Surveillance — Problem Statistics

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Submissions	1974
Accepted submissions	254
Submission ratio	12.87%
Authors	210
Full solves [?]	117
Full solve Ratio	55.71%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-05-31 09:58:42
2	Hidden user	0.00 s	C	2026-03-23 03:17:10
3	Andreas Björklund	0.74 s	C	2018-12-06 17:41:57

#	User	Runtime	Language	Date
1	Lukas Polacek	0.03 s	C#	2014-11-24 13:11:45
2	Hidden user	0.08 s	C#	2026-03-23 03:34:33

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Haskell	2026-03-23 03:24:27
2	Lukas Polacek	0.26 s	Haskell	2015-07-09 23:25:38

#	User	Runtime	Language	Date
1	Jimmy Mårdell	0.07 s	Java	2014-12-18 00:43:48
2	David Brink	0.07 s	Java	2021-09-19 21:01:54
3	Hidden user	0.08 s	Java	2026-03-23 03:26:08
4	Nick Wu	0.09 s	Java	2016-04-08 01:23:45
5	Finn Lidbetter	0.09 s	Java	2017-07-20 01:14:12
6	Martin Vatshelle	0.11 s	Java	2014-10-10 01:08:53
7	Simon Klein	0.22 s	Java	2014-10-11 15:50:55
8	Måns Magnusson	0.33 s	Java	2016-03-18 16:44:18
9	Ho Lyun Jeong	0.65 s	Java	2021-04-20 04:03:53
10	Hidden user	0.90 s	Java	2014-10-04 13:59:49

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	Python 2	2026-03-23 03:03:30
2	Måns Magnusson	0.12 s	Python 2	2018-08-11 23:34:16
3	Maj Stenmark	0.12 s	Python 2	2018-08-12 00:54:31
4	Øyvind Haarberg	0.27 s	Python 2	2018-04-19 14:25:39

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2026-03-23 02:38:35
2	Ole Vik Lysne	0.06 s	Python 3	2024-09-16 19:34:04
3	Fabian Frich	0.09 s	Python 3	2026-03-01 20:19:01
4	Jayoo Hwang	0.11 s	Python 3	2026-03-09 22:12:17
5	Jeremy Lim	0.14 s	Python 3	2023-12-07 21:40:03
6	Simon Andersen	0.14 s	Python 3	2024-03-19 12:42:47
7	Lennart Meyling	0.19 s	Python 3	2024-08-15 00:07:11
8	Simen Sørensen	0.33 s	Python 3	2026-02-17 16:01:32
9	Isaac Lee	0.79 s	Python 3	2025-03-23 00:52:36
10	Jacob Stringer	0.97 s	Python 3	2018-03-23 03:41:25

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Ruby	2026-03-23 03:21:00
2	Zohar Malamant	0.29 s	Ruby	2018-04-19 23:18:03

#	User	Runtime	Language	Date
1	Jonathan Jiang	0.01 s	Rust	2021-04-13 18:19:05
2	Hidden user	0.01 s	Rust	2026-03-23 03:18:18

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	TypeScript	2026-03-23 03:42:38

#	User	Length	Language	Date
1	Ivan Petrov	2236	C	2019-05-31 09:58:42
2	Andreas Björklund	3527	C	2018-12-06 17:41:57
3	Hidden user	3908	C	2026-03-23 03:15:45

#	User	Length	Language	Date
1	Lukas Polacek	1617	C#	2014-11-24 13:14:44
2	Hidden user	5971	C#	2026-03-23 03:34:33

#	User	Length	Language	Date
1	Hidden user	941	C++	2019-09-03 09:17:10
2	Joseph Durie	997	C++	2022-05-26 23:19:34
3	Szymon Nowak	1106	C++	2023-12-06 22:53:15
4	Nazmur Rashid Noor	1134	C++	2017-10-23 07:55:26
5	Hidden user	1189	C++	2020-01-26 07:46:02
6	Gert Qin Hansen	1215	C++	2014-10-04 15:44:31
7	Simon Lindholm	1292	C++	2015-09-29 00:15:16
8	Krzysztof Nowak	1373	C++	2023-09-23 10:35:37
9	Oskar Werkelin Ahlin	1391	C++	2014-10-05 15:19:24
10	Josenildo Silva	1418	C++	2018-06-22 20:12:59

#	User	Length	Language	Date
1	Lukas Polacek	881	Haskell	2015-07-09 22:36:31
2	Hidden user	3933	Haskell	2026-03-23 03:24:27

#	User	Length	Language	Date
1	Martin Vatshelle	2428	Java	2014-10-10 00:49:35
2	Hidden user	2935	Java	2014-10-04 13:59:49
3	Simon Klein	3255	Java	2014-10-11 15:50:55
4	Måns Magnusson	3606	Java	2016-03-18 16:44:18
5	Nick Wu	3892	Java	2016-04-08 01:23:45
6	Jimmy Mårdell	4225	Java	2014-12-18 00:41:16
7	David Brink	5133	Java	2021-09-19 21:36:34
8	Finn Lidbetter	5524	Java	2017-07-20 01:14:12
9	Hidden user	5686	Java	2026-03-23 03:27:27
10	Ho Lyun Jeong	10570	Java	2021-04-20 04:03:53

#	User	Length	Language	Date
1	Måns Magnusson	1015	Python 2	2018-08-12 00:12:59
2	Øyvind Haarberg	1058	Python 2	2018-04-16 18:25:23
3	Hidden user	1454	Python 2	2026-03-23 02:43:37
4	Maj Stenmark	1670	Python 2	2018-08-12 00:54:31

#	User	Length	Language	Date
1	Simen Sørensen	594	Python 3	2026-02-17 00:40:20
2	Simon Andersen	844	Python 3	2024-03-19 12:48:03
3	Ole Vik Lysne	943	Python 3	2024-09-16 19:43:01
4	Lennart Meyling	1233	Python 3	2024-08-15 00:07:11
5	Jeremy Lim	1269	Python 3	2023-12-07 21:40:03
6	Hidden user	2001	Python 3	2026-03-23 02:35:08
7	Isaac Lee	2176	Python 3	2025-03-23 00:52:36
8	Fabian Frich	2329	Python 3	2026-03-01 20:19:01
9	Jacob Stringer	2534	Python 3	2018-03-23 03:41:25
10	Jayoo Hwang	3090	Python 3	2026-03-09 22:12:17

#	User	Length	Language	Date
1	Zohar Malamant	518	Ruby	2018-04-19 23:17:14
2	Hidden user	2614	Ruby	2026-03-23 03:21:00

#	User	Length	Language	Date
1	Jonathan Jiang	3274	Rust	2021-04-13 18:19:05
2	Hidden user	3934	Rust	2026-03-23 03:18:18

#	User	Length	Language	Date
1	Hidden user	5726	TypeScript	2026-03-23 03:42:38

Solution running time distribution