Problem A
Kafkaesque — Problem Statistics

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Submissions	3032
Accepted submissions	1436
Submission ratio	47.36%
Authors	1360
Full solves [?]	1245
Full solve Ratio	91.54%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.01 s	Bash	2025-09-12 15:42:15
2	Thomas Feld	0.06 s	Bash	2023-09-27 12:00:39

#	User	Runtime	Language	Date
1	Rasmus Leyes	0.02 s	C#	2019-11-24 12:58:03
2	Thomas Norris	0.02 s	C#	2019-11-26 20:07:30
3	Joshua Jacoby	0.02 s	C#	2020-04-13 17:49:04
4	Yuwono Bangun Nagoro	0.02 s	C#	2020-08-18 23:25:37
5	Jan Matthiessen	0.02 s	C#	2020-11-15 16:05:08
6	Mikael Fiala-Lundström	0.02 s	C#	2021-04-21 20:06:00
7	Nikolai Valkamo	0.02 s	C#	2021-12-22 18:55:12
8	Gustav Junedahl	0.02 s	C#	2022-04-25 12:29:55
9	ReubenCa	0.02 s	C#	2023-03-13 19:49:44
10	Göran Andersson	0.03 s	C#	2022-05-16 20:37:09

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2020-03-15 04:07:33

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.05 s	F#	2022-10-03 20:21:56

#	User	Runtime	Language	Date
1	Sergey Jakobsen	0.02 s	Go	2022-10-03 00:37:50
2	Norbert Voelker	0.08 s	Go	2021-05-07 19:26:19
3	Ian Howell	0.09 s	Go	2020-01-20 18:14:48

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2022-12-29 17:34:01
2	Steinar Simonnes	0.00 s	Haskell	2024-02-10 17:40:07
3	Brent Yorgey	0.01 s	Haskell	2019-11-15 19:22:20
4	Hidden user	0.01 s	Haskell	2019-11-16 15:19:36
5	Aurélien Pepin	0.01 s	Haskell	2019-11-20 18:49:00
6	Jan Hrček	0.01 s	Haskell	2020-11-01 08:18:19

#	User	Runtime	Language	Date
1	Markus	0.04 s	Java	2025-10-23 15:20:34
2	Theodoric Keith Lim	0.06 s	Java	2020-06-08 07:30:10
3	Igor Trúchlik	0.06 s	Java	2020-06-14 19:26:13
4	Samuel Klingström	0.06 s	Java	2020-06-17 22:00:44
5	Nathan Nguyen	0.06 s	Java	2020-07-15 23:33:22
6	Kevin Dai	0.06 s	Java	2020-07-29 16:37:13
7	Andrew Polizzotto	0.06 s	Java	2020-09-05 23:04:08
8	nieg	0.06 s	Java	2020-09-29 21:04:48
9	Vu Minh Hieu	0.06 s	Java	2020-10-28 10:11:03
10	Oliver Hayman	0.06 s	Java	2020-12-11 13:15:40

#	User	Runtime	Language	Date
1	Peter Kedemo	0.42 s	JavaScript (Node.js)	2020-01-01 22:18:58
2	Chris Wong	0.42 s	JavaScript (Node.js)	2021-02-20 20:03:50
3	Hovhannes Kantuni	0.42 s	JavaScript (Node.js)	2021-03-13 00:57:58
4	Andrei James Drice	0.42 s	JavaScript (Node.js)	2022-04-03 11:32:43
5	Andoko Chandra	0.43 s	JavaScript (Node.js)	2020-10-10 08:13:06
6	Niamh Limerick	0.43 s	JavaScript (Node.js)	2022-02-17 00:50:33

#	User	Runtime	Language	Date
1	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-09-17 18:18:02
2	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2023-01-25 11:17:57
3	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2023-05-07 19:42:40
4	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-06 16:29:25
5	Bjørn Chr. Soltvedt	0.03 s	JavaScript (SpiderMonkey)	2019-11-17 12:22:05

#	User	Runtime	Language	Date
1	Timothy Gaede	0.46 s	Julia	2025-04-07 04:23:58

#	User	Runtime	Language	Date
1	Huiren Woo	0.11 s	Kotlin	2020-06-24 23:06:04
2	Ola Sundell	0.15 s	Kotlin	2021-10-20 17:04:29
3	Mohammad Eshagh	0.15 s	Kotlin	2022-05-12 09:50:42
4	Ahmed Waseem Saeed	0.17 s	Kotlin	2022-06-09 13:15:34
5	Phường Lên	0.18 s	Kotlin	2019-11-19 07:32:35
6	Caden G	0.18 s	Kotlin	2019-11-20 16:23:59
7	Adam Rankin	0.18 s	Kotlin	2023-08-25 03:32:28
8	Neil Harmon	0.19 s	Kotlin	2019-11-25 12:28:11
9	Hidden user	0.20 s	Kotlin	2019-11-20 06:20:52
10	Einar Kjellback	0.20 s	Kotlin	2019-11-29 13:16:47

#	User	Runtime	Language	Date
1	Zeheng Li	0.00 s	Lua	2023-12-13 00:36:22

#	User	Runtime	Language	Date
1	Runze Wang	0.00 s	OCaml	2020-10-03 16:55:48
2	Hidden user	0.00 s	OCaml	2025-06-22 19:42:55

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2023-04-19 05:17:30

#	User	Runtime	Language	Date
1	cojonas1	0.01 s	PHP	2021-04-09 13:03:28

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2021-12-03 09:16:17
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-03-01 12:13:58

#	User	Runtime	Language	Date
1	Eric Williamson	0.03 s	Python 2	2019-11-11 04:12:14
2	Johan Lyts	0.03 s	Python 2	2019-11-16 14:48:04
3	Ram Basnet	0.03 s	Python 2	2019-11-17 01:33:16
4	Thomas Feld	0.03 s	Python 2	2019-11-26 11:24:51
5	Andreas Björklund	0.03 s	Python 2	2020-01-05 13:10:53
6	Guan Yang Ze	0.03 s	Python 2	2020-03-17 18:08:28
7	Yanmarshus Bachtiar	0.03 s	Python 2	2020-08-29 15:13:01
8	Timothy Mou	0.03 s	Python 2	2020-10-03 16:44:55
9	Nicholas Kappauf	0.03 s	Python 2	2023-06-01 13:09:23
10	Jesper Öqvist	0.04 s	Python 2	2019-11-19 15:02:47

#	User	Runtime	Language	Date
1	Saujas Nandi	0.02 s	Python 3	2019-11-10 01:32:00
2	Godmar Back	0.02 s	Python 3	2019-11-10 16:10:35
3	Nathan Higley	0.02 s	Python 3	2019-11-13 23:38:11
4	Carlos Lopez	0.02 s	Python 3	2019-11-14 00:05:50
5	Sebastian Boldsen Jakobsen	0.02 s	Python 3	2019-11-15 20:34:49
6	Bjørn Dons	0.02 s	Python 3	2019-11-15 22:13:40
7	Logan Choi	0.02 s	Python 3	2019-11-16 03:20:17
8	Jacob Raymond	0.02 s	Python 3	2019-11-16 06:22:49
9	すうぇっりえるはこん	0.02 s	Python 3	2019-11-16 07:46:35
10	Dennis Mamrenko	0.02 s	Python 3	2019-11-16 20:32:19

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Ruby	2019-11-21 18:08:45
2	Kok Dith	0.05 s	Ruby	2021-08-21 15:46:35
3	Thomas Feld	0.06 s	Ruby	2023-01-04 18:38:00
4	Clement Oh	0.06 s	Ruby	2023-10-29 18:44:00

#	User	Runtime	Language	Date
1	Oskar Strömberg	0.00 s	Rust	2020-10-24 01:19:27
2	Pahlevi Fikri Auliya	0.00 s	Rust	2020-11-15 01:37:39
3	David Zacek	0.00 s	Rust	2021-06-21 21:04:39
4	Bas Dirks	0.00 s	Rust	2022-01-06 20:40:21
5	Freek van Keulen	0.00 s	Rust	2022-05-22 08:10:15
6	Iker Lissarrague	0.00 s	Rust	2023-09-04 06:02:44
7	Vincent Lagerros	0.00 s	Rust	2025-02-23 18:10:08

#	User	Length	Language	Date
1	Chenzhang Hu	37	Bash	2025-09-12 15:42:15
2	Thomas Feld	42	Bash	2023-09-27 12:00:39

#	User	Length	Language	Date
1	Jonatan Altebro	126	C	2025-04-29 11:31:18
2	Thor Eriksen	215	C	2022-09-20 16:45:31
3	Viktor Hajto	237	C	2022-11-18 11:43:06
4	Gabriel Stanculescu	250	C	2021-10-03 19:41:15
5	Andrew Roberts	256	C	2020-01-03 08:20:00
6	Sambit Palit	281	C	2020-10-14 01:55:57
7	April Clark	286	C	2021-09-24 21:26:47
8	Mirella Arguelles	288	C	2021-01-06 23:02:45
9	Roberto Kreshna	289	C	2020-12-05 15:58:11
10	Sujan Roy	295	C	2020-09-13 20:14:47

#	User	Length	Language	Date
1	Esty Crow	339	C#	2023-04-20 01:36:40
2	Thomas Norris	367	C#	2019-11-26 20:07:30
3	Anthony Ye	418	C#	2023-04-23 17:40:52
4	Gustav Junedahl	515	C#	2022-04-25 12:29:55
5	Göran Andersson	607	C#	2022-05-16 20:37:09
6	Yuwono Bangun Nagoro	631	C#	2020-08-18 23:25:37
7	Umar Rasyid	633	C#	2025-04-01 03:12:18
8	Márton Krauter	648	C#	2023-07-17 12:53:41
9	Nikolai Valkamo	672	C#	2021-12-22 18:55:12
10	Alejandro Arevalo	713	C#	2023-10-14 00:34:39

#	User	Length	Language	Date
1	Frans Meulenbroeks	108	C++	2024-10-25 18:43:55
2	Tyler Fernando	116	C++	2022-11-03 14:32:04
3	a_b__c	143	C++	2021-02-09 18:41:06
4	Nur Syahrial Maulidi	194	C++	2019-12-31 05:37:08
5	Way Tan	196	C++	2020-01-30 12:51:15
6	Mohsen Mahroos	198	C++	2023-01-17 13:23:18
7	Wen Hao	201	C++	2022-11-21 06:44:35
8	Grae Yeandle	203	C++	2020-01-24 17:56:14
9	rares poenar	207	C++	2022-01-30 07:50:54
10	Alin Popovici	207	C++	2022-01-30 17:52:05

#	User	Length	Language	Date
1	Hidden user	240	Common Lisp	2020-03-15 04:07:33

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	431	F#	2022-10-03 20:21:56

#	User	Length	Language	Date
1	Sergey Jakobsen	324	Go	2022-10-03 00:37:50
2	Ian Howell	645	Go	2020-01-20 18:14:48
3	Norbert Voelker	1169	Go	2021-05-07 19:26:19

#	User	Length	Language	Date
1	Aurélien Pepin	245	Haskell	2019-11-20 18:49:00
2	Jan Hrček	249	Haskell	2020-11-01 08:18:19
3	Hidden user	539	Haskell	2022-12-29 17:34:01
4	Steinar Simonnes	819	Haskell	2024-02-10 17:40:07
5	Brent Yorgey	875	Haskell	2019-11-15 19:22:20
6	Hidden user	10271	Haskell	2019-11-16 15:19:36

#	User	Length	Language	Date
1	Natalie Longtin	315	Java	2020-02-29 21:05:20
2	Jonas Klausen	331	Java	2022-09-20 16:50:43
3	Quinn Gilbert	338	Java	2021-02-28 20:05:33
4	Joshua Neumann	349	Java	2020-02-29 22:59:08
5	Joshua Brucker	359	Java	2019-11-17 20:24:00
6	David Harmeyer	362	Java	2019-12-01 18:45:56
7	Shane Kenny	365	Java	2021-03-03 21:50:03
8	Eric Leow Yu Quan	368	Java	2020-12-06 16:01:47
9	William Huang	371	Java	2020-09-07 22:42:15
10	Brooks McKinley	380	Java	2021-03-02 00:06:20

#	User	Length	Language	Date
1	Peter Kedemo	440	JavaScript (Node.js)	2020-01-01 22:18:58
2	Chris Wong	459	JavaScript (Node.js)	2021-02-20 20:03:50
3	Andrei James Drice	596	JavaScript (Node.js)	2022-04-03 11:32:43
4	Hovhannes Kantuni	606	JavaScript (Node.js)	2021-03-13 00:57:58
5	Andoko Chandra	802	JavaScript (Node.js)	2020-10-10 08:13:06
6	Niamh Limerick	993	JavaScript (Node.js)	2022-02-17 00:50:33

#	User	Length	Language	Date
1	Jimmy Gustafsson	68	JavaScript (SpiderMonkey)	2024-08-06 16:29:25
2	Christian Pilegaard Cederquist	151	JavaScript (SpiderMonkey)	2023-01-25 11:17:57
3	Zach Tschetter	177	JavaScript (SpiderMonkey)	2023-05-07 19:42:40
4	Peter Menyes	252	JavaScript (SpiderMonkey)	2021-09-17 18:18:02
5	Bjørn Chr. Soltvedt	517	JavaScript (SpiderMonkey)	2019-11-17 12:22:05

#	User	Length	Language	Date
1	Timothy Gaede	367	Julia	2025-04-07 04:23:58

#	User	Length	Language	Date
1	Adam Rankin	159	Kotlin	2023-08-25 03:32:28
2	Einar Kjellback	261	Kotlin	2019-11-29 13:16:47
3	Ahmed Waseem Saeed	331	Kotlin	2022-06-09 13:15:34
4	Hidden user	335	Kotlin	2019-11-20 06:20:52
5	Troy Warmboe	357	Kotlin	2020-02-11 17:58:57
6	Nicholas Johnson	373	Kotlin	2019-12-17 23:49:21
7	Mohammad Eshagh	373	Kotlin	2022-05-12 09:50:42
8	Caden G	383	Kotlin	2019-11-20 16:23:59
9	Phường Lên	429	Kotlin	2019-11-19 07:32:35
10	Ola Sundell	547	Kotlin	2021-10-20 17:04:29

#	User	Length	Language	Date
1	Zeheng Li	155	Lua	2023-12-13 00:36:22

#	User	Length	Language	Date
1	Hidden user	338	OCaml	2025-06-22 19:42:55
2	Runze Wang	373	OCaml	2020-10-03 16:55:48

#	User	Length	Language	Date
1	Ingemar Ragnemalm	356	Pascal	2023-04-19 05:17:30

#	User	Length	Language	Date
1	cojonas1	261	PHP	2021-04-09 13:03:28

#	User	Length	Language	Date
1	Hakan Kjellerstrand	198	Prolog	2023-03-01 16:14:36
2	Andriy Zyevakov	415	Prolog	2021-12-03 09:16:17

#	User	Length	Language	Date
1	Thomas Feld	94	Python 2	2019-11-26 11:24:51
2	Guan Yang Ze	119	Python 2	2020-03-17 18:08:28
3	Jesper Öqvist	125	Python 2	2019-11-19 15:02:47
4	Timothy Mou	134	Python 2	2020-10-03 16:44:55
5	Johan Lyts	139	Python 2	2019-11-16 14:48:04
6	Mukerem Ali Nur	146	Python 2	2019-11-27 08:04:09
7	Andreas Björklund	237	Python 2	2020-01-05 13:10:53
8	Eric Williamson	344	Python 2	2019-11-11 04:12:14
9	Yanmarshus Bachtiar	452	Python 2	2020-08-29 15:13:01
10	Nicholas Kappauf	612	Python 2	2023-06-01 13:09:23

#	User	Length	Language	Date
1	Clement Oh	59	Python 3	2023-06-02 06:44:35
2	Benjamin Z White	64	Python 3	2023-04-20 11:51:57
3	David Aldenbro	65	Python 3	2025-08-24 13:58:18
4	Alexandre Charland	67	Python 3	2024-11-04 16:17:12
5	Sarek Høverstad Skotåm	68	Python 3	2022-10-03 00:36:15
6	Tai Tze Kin	71	Python 3	2024-05-06 20:56:15
7	András Biczó	76	Python 3	2022-10-26 16:13:39
8	John Swingle	76	Python 3	2023-06-13 07:52:44
9	Christofer Ohlsson	88	Python 3	2022-10-05 16:42:14
10	Emil Lynegaard	90	Python 3	2022-09-11 09:12:45

#	User	Length	Language	Date
1	Thomas Feld	33	Ruby	2023-01-04 18:38:33
2	Clement Oh	64	Ruby	2023-11-12 17:13:41
3	Hidden user	119	Ruby	2019-11-21 18:08:45
4	Kok Dith	172	Ruby	2021-08-21 15:46:35

#	User	Length	Language	Date
1	Vincent Lagerros	356	Rust	2025-02-23 18:10:08
2	David Zacek	438	Rust	2021-06-21 21:04:39
3	Freek van Keulen	519	Rust	2022-05-22 08:10:15
4	Iker Lissarrague	603	Rust	2023-09-04 06:02:44
5	Bas Dirks	708	Rust	2022-01-06 20:40:21
6	Oskar Strömberg	977	Rust	2020-10-24 01:19:27
7	Pahlevi Fikri Auliya	1814	Rust	2020-11-15 01:37:39

Solution running time distribution