Problem A
Zoning — Problem Statistics

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Submissions	1107
Accepted submissions	395
Submission ratio	35.68%
Authors	366
Full solves [?]	277
Full solve Ratio	75.68%

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	C	2024-12-21 19:52:59
2	Jesper Öqvist	0.16 s	C	2018-03-28 07:35:13
3	Xiaochi Wang	0.16 s	C	2022-08-05 07:53:09
4	Ivan Petrov	0.20 s	C	2019-07-23 13:45:54

#	User	Runtime	Language	Date
1	Carlos Palacios	0.32 s	C#	2025-03-16 19:28:37
2	Markus Swift	0.37 s	C#	2019-02-01 18:31:09

#	User	Runtime	Language	Date
1	Emil Lenngren	0.07 s	C++	2016-06-12 10:34:36
2	Marcus Dicander	0.07 s	C++	2016-06-12 11:28:13
3	Hidden user	0.07 s	C++	2017-01-07 14:21:01
4	Dmitry Lyubshin	0.07 s	C++	2018-03-06 10:31:12
5	Ian DeHaan	0.07 s	C++	2019-07-13 01:43:58
6	Atli Fannar Franklín	0.07 s	C++	2019-08-24 18:28:04
7	Mårten Wiman	0.08 s	C++	2016-06-12 10:25:53
8	Simon Lindholm	0.08 s	C++	2016-06-12 10:26:11
9	David Wärn	0.08 s	C++	2016-06-12 10:27:05
10	Zihao Wang	0.08 s	C++	2017-03-26 06:32:57

#	User	Runtime	Language	Date
1	David Brink	0.20 s	Java	2017-02-12 11:26:45
2	Liam Keliher	0.28 s	Java	2016-07-22 01:51:21
3	Crystal Sharpe	0.30 s	Java	2020-12-20 22:09:41
4	Benjamin Laurence Erickson	0.31 s	Java	2017-03-18 23:05:18
5	Finn Lidbetter	0.33 s	Java	2016-07-26 03:19:22
6	Tobias Glimmerfors	0.36 s	Java	2019-09-07 17:08:58
7	Måns Magnusson	0.38 s	Java	2016-06-12 10:32:43
8	Eskil Jarlskog	0.39 s	Java	2016-06-12 12:40:18
9	Darrin Wiley	0.41 s	Java	2022-05-20 00:02:29
10	Nick Wu	0.42 s	Java	2016-08-22 06:05:10

#	User	Runtime	Language	Date
1	Zach Tschetter	1.76 s	JavaScript (SpiderMonkey)	2023-06-22 20:47:15

#	User	Runtime	Language	Date
1	Maj Stenmark	0.59 s	Python 2	2018-03-27 08:59:21
2	Linus Karlsson	0.69 s	Python 2	2018-03-28 18:23:12
3	Jonatan Nilsson	0.74 s	Python 2	2018-03-27 08:18:32
4	Lars Åström	0.79 s	Python 2	2018-03-26 23:52:56
5	Johannes Ahnlide	0.92 s	Python 2	2018-03-27 09:27:39
6	Oskar Haarklou Veileborg	0.97 s	Python 2	2019-10-29 13:54:40
7	Robert Welin-Berger	1.01 s	Python 2	2016-06-12 11:04:55

#	User	Runtime	Language	Date
1	Hidden user	0.40 s	Python 3	2022-09-15 01:45:16
2	Isaac Lee	0.44 s	Python 3	2023-08-09 02:23:10
3	Clement Oh	0.49 s	Python 3	2024-02-05 11:40:38
4	Jason Yin	0.57 s	Python 3	2025-01-28 00:03:38
5	Rasmus Hulthe	0.58 s	Python 3	2024-04-11 11:16:42
6	SRIVARSHINI R	0.60 s	Python 3	2025-04-10 16:36:06
7	KUNCHALA VISHNU VARDHAN KUNCHALA VISHNU VARDHAN	0.61 s	Python 3	2025-05-21 07:42:50
8	Jiaming Kong	0.61 s	Python 3	2025-07-13 09:38:37
9	Kadin Matotek	0.64 s	Python 3	2025-05-03 10:57:36
10	Gustav Nilsson Gisleskog	0.66 s	Python 3	2022-09-08 18:27:29

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.07 s	Rust	2024-08-02 00:52:58
2	Martin Lindström	0.15 s	Rust	2022-06-14 17:48:54
3	Daniel Anker Hermansen	0.51 s	Rust	2023-05-20 18:31:20
4	Edvard All	0.52 s	Rust	2021-06-21 00:13:26

#	User	Length	Language	Date
1	Hidden user	1929	C	2024-12-21 19:52:59
2	Xiaochi Wang	1993	C	2022-08-05 07:53:09
3	Jesper Öqvist	3302	C	2018-03-28 07:35:13
4	Ivan Petrov	3917	C	2019-07-23 13:45:54

#	User	Length	Language	Date
1	Carlos Palacios	2033	C#	2025-03-16 19:28:37
2	Markus Swift	3618	C#	2019-02-01 18:31:09

#	User	Length	Language	Date
1	Herman Karlsson	820	C++	2016-06-12 11:13:55
2	Darrin Wiley	875	C++	2019-10-22 23:25:45
3	Markus Mathiasen	902	C++	2023-07-31 12:10:49
4	Johan Wind	905	C++	2018-05-10 11:20:39
5	Mårten Wiman	918	C++	2016-06-12 10:25:53
6	Hải Minh	918	C++	2020-02-28 13:02:15
7	David Wärn	957	C++	2016-06-12 10:27:05
8	Mohsen Dehbashi	976	C++	2020-08-10 08:03:37
9	Lim Li	977	C++	2017-11-21 12:33:57
10	Jerrell Ezralemuel	991	C++	2020-03-01 18:27:25

#	User	Length	Language	Date
1	Doug Goodman	1250	Java	2018-06-22 16:03:12
2	Åke Wettergren	1376	Java	2018-03-26 18:27:24
3	Malte Larsson	1376	Java	2018-03-26 18:28:17
4	Hidden user	1507	Java	2022-05-20 01:17:14
5	Danniel Alcantara	1536	Java	2024-08-01 01:04:21
6	Benjamin Laurence Erickson	1563	Java	2017-03-18 23:05:18
7	Sven Engström	1632	Java	2016-06-12 11:37:16
8	Finn Lidbetter	1644	Java	2016-07-26 03:19:22
9	Björn Magnusson	1715	Java	2016-06-12 13:12:00
10	John Huddleston	1726	Java	2024-05-01 21:53:19

#	User	Length	Language	Date
1	Zach Tschetter	1168	JavaScript (SpiderMonkey)	2023-06-22 20:47:15

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	637	Python 2	2019-10-29 13:54:40
2	Maj Stenmark	832	Python 2	2018-03-27 08:59:21
3	Johannes Ahnlide	874	Python 2	2018-03-27 09:27:39
4	Lars Åström	878	Python 2	2018-03-26 23:52:56
5	Linus Karlsson	916	Python 2	2018-03-28 18:23:12
6	Jonatan Nilsson	927	Python 2	2018-03-27 08:18:32
7	Robert Welin-Berger	1117	Python 2	2016-06-12 11:04:55

#	User	Length	Language	Date
1	Nicholas Russell Saerang	437	Python 3	2024-05-07 11:30:20
2	David Stålmarck	562	Python 3	2022-09-08 18:19:34
3	mushaar qazi	575	Python 3	2025-09-10 19:59:48
4	Harry Zhang	595	Python 3	2023-10-06 17:10:35
5	Clement Oh	596	Python 3	2024-02-05 11:40:38
6	Gustav Nilsson Gisleskog	602	Python 3	2022-09-08 18:27:29
7	Hidden user	618	Python 3	2023-07-08 17:21:30
8	Timothy Baeckelant	636	Python 3	2024-04-14 09:49:19
9	Sander Oppen	654	Python 3	2025-10-21 09:24:14
10	Rasmus Hulthe	675	Python 3	2024-04-11 11:16:42

#	User	Length	Language	Date
1	Martin Lindström	2228	Rust	2022-06-14 17:48:54
2	Edvard All	2732	Rust	2021-06-21 00:13:26
3	Vincent Lagerros	6780	Rust	2024-08-02 00:50:42
4	Daniel Anker Hermansen	19619	Rust	2023-05-20 18:31:20

Solution running time distribution