Problem A
Parket — Problem Statistics

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Submissions	1113
Accepted submissions	576
Submission ratio	51.75%
Authors	571
Full solves [?]	523
Full solve Ratio	91.59%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-09-28 12:47:41
2	Eyleifur Bjarkason	0.00 s	C	2019-10-17 02:00:56
3	Sambit Palit	0.00 s	C	2020-10-03 19:20:21
4	arda atci	0.00 s	C	2022-04-25 00:19:46
5	Andrew Jones	0.00 s	C	2022-06-09 03:22:20
6	Naveen Kumar S	0.00 s	C	2025-04-19 12:59:53

#	User	Runtime	Language	Date
1	Dan Wolff	0.02 s	C#	2019-09-28 12:09:11
2	Thomas Norris	0.02 s	C#	2019-09-30 16:55:05
3	Sigrid Österling Sicking	0.02 s	C#	2019-10-01 13:30:07
4	Nils Lenart	0.02 s	C#	2020-03-23 14:37:36
5	Anders Parsberg Wagner	0.02 s	C#	2020-10-31 19:34:46
6	Michael Damsgaard	0.05 s	C#	2025-01-03 04:04:40

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.04 s	F#	2023-01-23 13:16:38

#	User	Runtime	Language	Date
1	Norbert Voelker	0.08 s	Go	2021-07-18 23:37:29

#	User	Runtime	Language	Date
1	Brent Yorgey	0.00 s	Haskell	2019-09-28 20:24:18
2	Hidden user	0.01 s	Haskell	2019-10-04 12:56:14
3	Steinar Simonnes	0.01 s	Haskell	2024-03-31 17:47:14

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.06 s	Java	2022-03-30 21:02:55
2	Ranjith M	0.06 s	Java	2024-08-24 04:54:32
3	Rene Argento	0.07 s	Java	2025-10-05 22:24:56
4	Liam Keliher	0.09 s	Java	2019-10-02 18:16:33
5	Gian Peña	0.10 s	Java	2021-04-07 14:25:56
6	Michael Menezes	0.10 s	Java	2023-10-22 20:07:13
7	Tyler Klick	0.10 s	Java	2024-04-22 01:46:34
8	David Van Nguyen	0.10 s	Java	2024-07-11 03:01:39
9	Hunter Mullen	0.10 s	Java	2025-02-23 22:31:04
10	chirurg	0.10 s	Java	2025-03-05 22:00:26

#	User	Runtime	Language	Date
1	Peter Kedemo	0.42 s	JavaScript (Node.js)	2019-12-28 22:33:07
2	Howard Tin Chi Chan	0.42 s	JavaScript (Node.js)	2021-02-06 10:25:46

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2019-11-25 04:00:01
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-03-25 16:16:56
3	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2025-07-16 23:51:40

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-04-23 03:23:27

#	User	Runtime	Language	Date
1	Neil Harmon	0.18 s	Kotlin	2019-10-31 10:46:03
2	Phường Lên	0.18 s	Kotlin	2019-11-30 05:17:09
3	Adam Rankin	0.19 s	Kotlin	2023-05-11 05:59:47
4	Merih Bora Poçan	0.20 s	Kotlin	2020-08-19 01:26:45
5	Hidden user	0.21 s	Kotlin	2020-02-24 21:05:08
6	Jacob Huebner	0.22 s	Kotlin	2020-02-28 17:51:44

#	User	Runtime	Language	Date
1	Martha Kosa	0.00 s	OCaml	2026-02-25 02:56:04

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2024-03-16 13:23:42

#	User	Runtime	Language	Date
1	Jonatan Nilsson	0.03 s	Python 2	2019-09-28 11:18:32
2	Björn Magnusson	0.03 s	Python 2	2019-09-28 11:24:05
3	Jesper Öqvist	0.03 s	Python 2	2019-09-29 12:48:34
4	Johan Lyts	0.03 s	Python 2	2019-09-29 13:41:55
5	Lars Åström	0.03 s	Python 2	2019-09-30 08:15:30
6	Yanmarshus Bachtiar	0.03 s	Python 2	2019-10-31 05:47:41
7	Sigurður Jens Albertsson	0.03 s	Python 2	2019-11-29 00:57:09
8	Thomas Feld	0.03 s	Python 2	2019-12-10 14:43:56
9	Andreas Björklund	0.04 s	Python 2	2019-09-28 11:28:32
10	Måns Magnusson	0.05 s	Python 2	2019-09-28 11:23:22

#	User	Runtime	Language	Date
1	Johan Karlsson	0.02 s	Python 3	2019-09-28 11:09:52
2	Nils Gustafsson	0.02 s	Python 3	2019-09-28 11:22:18
3	Oula Kivalo	0.02 s	Python 3	2019-09-28 11:53:43
4	Hidden user	0.02 s	Python 3	2019-09-28 11:55:36
5	Arthur Baker	0.02 s	Python 3	2019-09-28 11:59:48
6	Petan Paul Andrei	0.02 s	Python 3	2019-09-28 12:00:29
7	Jesper Torp Kristensen	0.02 s	Python 3	2019-09-28 12:05:27
8	Anton Åkerman	0.02 s	Python 3	2019-09-28 12:16:03
9	Joel Nilsson	0.02 s	Python 3	2019-09-28 12:27:20
10	Мирас Кенжегалиев	0.02 s	Python 3	2019-09-28 12:37:29

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-09-30 21:06:52
2	Miorel Palii	0.05 s	Ruby	2022-03-23 08:24:28
3	Thomas Feld	0.06 s	Ruby	2023-02-09 14:43:27
4	Macdara mac an tSionnaigh	0.13 s	Ruby	2019-10-03 02:36:49

#	User	Runtime	Language	Date
1	Gustaf Blomqvist	0.00 s	Rust	2019-10-10 00:32:01
2	Isak Jägberg	0.00 s	Rust	2019-11-09 21:58:04
3	Bas Dirks	0.00 s	Rust	2022-06-07 19:21:34
4	Hidden user	0.00 s	Rust	2025-06-22 14:54:47
5	Vincent Lagerros	0.00 s	Rust	2025-08-10 02:01:25

#	User	Length	Language	Date
1	arda atci	259	C	2022-04-25 00:19:46
2	Sambit Palit	392	C	2020-10-03 19:20:21
3	Naveen Kumar S	483	C	2025-04-19 12:59:53
4	Andrew Jones	900	C	2022-06-09 03:22:20
5	Bergur Snorrason	1760	C	2019-09-28 12:47:41
6	Eyleifur Bjarkason	4840	C	2019-10-17 01:58:11

#	User	Length	Language	Date
1	Michael Damsgaard	443	C#	2025-01-03 04:04:40
2	Thomas Norris	499	C#	2019-09-30 16:55:05
3	Sigrid Österling Sicking	669	C#	2019-10-01 13:30:07
4	Anders Parsberg Wagner	705	C#	2020-10-31 19:34:46
5	Dan Wolff	4202	C#	2019-09-28 12:09:11
6	Nils Lenart	4423	C#	2020-03-23 14:37:36

#	User	Length	Language	Date
1	Christopher MacDonald	226	C++	2019-10-12 23:15:34
2	Hidden user	243	C++	2020-03-07 19:38:30
3	Mojtaba Elahi	248	C++	2019-09-28 12:29:49
4	Goh Aik Wee	249	C++	2019-12-19 18:25:19
5	Mohsen Mahroos	251	C++	2023-04-19 20:01:22
6	Grae Yeandle	252	C++	2019-10-20 19:02:29
7	張紘嘉	253	C++	2023-10-29 07:49:10
8	Erling Solberg	257	C++	2019-09-28 11:59:56
9	Ole Fredrik Borgundvåg Berg	266	C++	2019-10-03 17:41:29
10	Johan Wind	267	C++	2019-09-28 13:55:10

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	513	F#	2023-01-23 13:16:38

#	User	Length	Language	Date
1	Norbert Voelker	644	Go	2021-07-18 23:37:29

#	User	Length	Language	Date
1	Steinar Simonnes	523	Haskell	2024-03-31 17:42:52
2	Brent Yorgey	1137	Haskell	2019-09-28 20:24:18
3	Hidden user	5264	Haskell	2019-10-04 12:56:14

#	User	Length	Language	Date
1	Jatinkumar Nakrani	362	Java	2023-05-04 22:15:37
2	Raymond Arrington	401	Java	2024-06-30 10:45:36
3	Eric Leow Yu Quan	402	Java	2020-12-30 14:37:47
4	Khang Pham	409	Java	2021-01-17 02:26:29
5	Olivia Bizimungu	412	Java	2019-12-01 23:55:29
6	Owen Palmer	447	Java	2019-09-28 15:12:50
7	Caeden Whitaker	449	Java	2020-10-18 06:52:03
8	CEColon	473	Java	2022-02-18 01:39:41
9	Syed AbuTalib	494	Java	2019-10-02 19:08:00
10	Slavko Bezjak	503	Java	2023-05-01 19:49:32

#	User	Length	Language	Date
1	Peter Kedemo	365	JavaScript (Node.js)	2019-12-28 22:33:07
2	Howard Tin Chi Chan	765	JavaScript (Node.js)	2021-02-06 10:25:46

#	User	Length	Language	Date
1	Jimmy Gustafsson	117	JavaScript (SpiderMonkey)	2025-07-16 23:51:40
2	Christian Pilegaard Cederquist	141	JavaScript (SpiderMonkey)	2023-03-25 16:16:56
3	Bjørn Chr. Soltvedt	198	JavaScript (SpiderMonkey)	2019-11-25 17:42:59

#	User	Length	Language	Date
1	Timothy Gaede	497	Julia	2024-04-23 03:23:27

#	User	Length	Language	Date
1	Jacob Huebner	386	Kotlin	2020-02-28 17:51:44
2	Hidden user	410	Kotlin	2020-02-24 21:05:08
3	Phường Lên	417	Kotlin	2019-11-30 05:17:09
4	Adam Rankin	626	Kotlin	2023-05-11 05:59:47
5	Merih Bora Poçan	737	Kotlin	2020-08-19 01:26:45
6	Neil Harmon	818	Kotlin	2019-10-31 10:46:03

#	User	Length	Language	Date
1	Martha Kosa	590	OCaml	2026-02-25 02:56:04

#	User	Length	Language	Date
1	Andriy Zyevakov	372	Prolog	2024-03-16 13:23:42

#	User	Length	Language	Date
1	Thomas Feld	119	Python 2	2019-12-10 14:43:56
2	Johan Lyts	136	Python 2	2019-09-29 14:55:21
3	Sigurður Jens Albertsson	140	Python 2	2019-11-29 00:57:09
4	Jesper Öqvist	159	Python 2	2019-09-29 12:48:34
5	Lars Åström	168	Python 2	2019-09-30 08:15:30
6	Andreas Björklund	189	Python 2	2019-09-28 11:28:32
7	Björn Magnusson	205	Python 2	2019-09-28 11:24:05
8	Jonatan Nilsson	220	Python 2	2019-09-28 11:18:32
9	Måns Magnusson	286	Python 2	2019-09-28 11:23:22
10	Maj Stenmark	286	Python 2	2019-09-28 17:12:23

#	User	Length	Language	Date
1	Ahmed Chamseddine	88	Python 3	2024-09-13 11:34:30
2	Tai Tze Kin	110	Python 3	2024-05-08 12:34:34
3	David Aldenbro	118	Python 3	2025-08-25 12:13:12
4	Peter Stauder	120	Python 3	2022-08-02 14:56:43
5	Rafael Kristoforus Yanto	120	Python 3	2025-02-25 17:09:55
6	Yong Mao	122	Python 3	2022-12-02 02:32:00
7	April Chao	124	Python 3	2022-08-28 06:11:10
8	Samuel Belin	135	Python 3	2022-05-11 20:03:19
9	Clement Oh	139	Python 3	2024-03-17 07:41:31
10	Jerry Xu	141	Python 3	2023-04-30 23:44:48

#	User	Length	Language	Date
1	Thomas Feld	71	Ruby	2023-08-29 13:55:57
2	Hidden user	172	Ruby	2019-09-30 21:06:52
3	Miorel Palii	198	Ruby	2022-03-23 08:24:28
4	Macdara mac an tSionnaigh	272	Ruby	2019-10-03 02:36:49

#	User	Length	Language	Date
1	Vincent Lagerros	445	Rust	2025-08-10 02:01:25
2	Gustaf Blomqvist	517	Rust	2019-10-10 00:17:02
3	Bas Dirks	603	Rust	2022-06-07 19:21:34
4	Isak Jägberg	1190	Rust	2019-11-09 21:58:04
5	Hidden user	6292	Rust	2025-06-22 14:54:47

Solution running time distribution