Problem A
Texture Analysis — Problem Statistics

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Submissions	5376
Accepted submissions	1969
Submission ratio	36.63%
Authors	1822
Full solves [?]	1531
Full solve Ratio	84.03%

#	User	Runtime	Language	Date
1	Raja Sanjeev Kumar Nakka	0.03 s	C#	2016-06-28 21:13:59
2	Robert Low	0.03 s	C#	2016-07-21 21:27:14
3	Saša Levstik	0.03 s	C#	2016-11-15 23:11:55
4	Liam Percy	0.03 s	C#	2018-06-15 07:09:59
5	Bartosz Starczewski	0.03 s	C#	2018-12-09 15:19:00
6	Bartosz Starczewski	0.03 s	C#	2018-12-09 15:19:42
7	Rafał Celejewski	0.03 s	C#	2018-12-12 18:47:41
8	Bogusław Famulski	0.03 s	C#	2018-12-13 19:29:19
9	Khin Nyunt	0.04 s	C#	2017-01-07 17:01:33
10	Viktor Máni Mönster	0.04 s	C#	2018-07-30 23:21:08

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.10 s	F#	2023-05-05 14:16:15

#	User	Runtime	Language	Date
1	Tyler D Kelley	0.02 s	Go	2025-02-14 16:17:07
2	Norbert Voelker	0.03 s	Go	2021-07-29 00:28:27
3	Andrew Gemmel	0.03 s	Go	2022-12-06 00:43:55
4	Evelyn May	0.06 s	Go	2020-12-07 03:19:08
5	Johannes Moberg	0.08 s	Go	2018-12-05 11:25:36
6	Oskar Johanson	0.09 s	Go	2019-10-12 09:44:21
7	Jesse Kalil Martins	0.09 s	Go	2022-01-02 16:48:54
8	Henrik Hansson	0.09 s	Go	2022-02-20 22:10:54

#	User	Runtime	Language	Date
1	Juan Miguel Vilar	0.01 s	Haskell	2020-12-12 20:05:30
2	Hidden user	0.01 s	Haskell	2022-04-22 17:03:48
3	Øyvind Almli	0.01 s	Haskell	2023-01-11 12:54:46
4	Jan Hrček	0.02 s	Haskell	2019-04-28 20:04:42
5	Patrik Lilja	0.03 s	Haskell	2017-03-07 20:03:35
6	Anders Aarsæther	0.06 s	Haskell	2021-11-03 18:04:52
7	Rudi Svartveit	0.07 s	Haskell	2019-09-25 18:21:13
8	Joshua Ji	0.07 s	Haskell	2021-03-17 03:13:19
9	Consuelo Gómez Gómez	0.08 s	Haskell	2017-04-24 00:13:50
10	Shing Tak Lam	0.08 s	Haskell	2021-03-12 08:38:10

#	User	Runtime	Language	Date
1	Samuel Klingström	0.09 s	Java	2017-08-08 01:02:35
2	Sven Rönnbäck	0.09 s	Java	2020-12-20 00:17:57
3	Michel Langeveld	0.13 s	Java	2015-11-29 13:04:48
4	Hidden user	0.14 s	Java	2016-02-09 20:06:16
5	Fredrik Sommar	0.15 s	Java	2015-11-20 13:23:17
6	Martijn Muijsers	0.15 s	Java	2016-10-13 14:49:52
7	Liam Keliher	0.15 s	Java	2017-01-26 01:11:01
8	Kristoffer Borgstrøm	0.15 s	Java	2021-01-20 16:48:14
9	Dat Vo Nguyen Tien	0.15 s	Java	2022-02-18 14:39:14
10	Dexter Gramfors	0.16 s	Java	2015-11-20 14:06:03

#	User	Runtime	Language	Date
1	Hedda Isaksson	0.12 s	JavaScript (Node.js)	2021-11-28 12:32:00
2	Amol Borgaonkar	0.13 s	JavaScript (Node.js)	2019-03-02 18:25:51
3	Mandizvidza Evidence	0.13 s	JavaScript (Node.js)	2023-04-16 23:25:12
4	Oliver Larsson	0.14 s	JavaScript (Node.js)	2022-10-14 12:04:47
5	Mikael Andersson	0.46 s	JavaScript (Node.js)	2020-03-12 13:08:56
6	Marius Alexander Winsjansen	0.46 s	JavaScript (Node.js)	2020-12-14 20:48:59
7	Jesper Svendgaard Åhman Hansen	0.47 s	JavaScript (Node.js)	2020-12-14 20:49:24
8	Khin Nyunt	0.47 s	JavaScript (Node.js)	2021-12-10 09:40:31
9	Emil Kallioniemi	0.48 s	JavaScript (Node.js)	2021-01-23 17:21:49
10	Drake Cullen	0.48 s	JavaScript (Node.js)	2021-02-23 18:11:26

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	JavaScript (SpiderMonkey)	2018-10-24 20:59:14
2	Nicholas DeCarlo	0.04 s	JavaScript (SpiderMonkey)	2022-01-25 08:51:50
3	Christian Pilegaard Cederquist	0.04 s	JavaScript (SpiderMonkey)	2023-03-10 21:39:43
4	Zach Tschetter	0.04 s	JavaScript (SpiderMonkey)	2023-06-13 04:48:32
5	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2016-02-20 01:48:04
6	Andrea Bianchessi	0.06 s	JavaScript (SpiderMonkey)	2018-08-22 22:27:39
7	Peter Kedemo	0.09 s	JavaScript (SpiderMonkey)	2015-12-31 23:43:34

#	User	Runtime	Language	Date
1	Hidden user	0.48 s	Julia	2025-09-06 21:06:58
2	Timothy Gaede	0.55 s	Julia	2024-05-24 09:17:10

#	User	Runtime	Language	Date
1	Dico Karssiens	0.29 s	Kotlin	2018-11-25 07:39:26
2	Caden G	0.41 s	Kotlin	2019-11-08 16:15:34
3	Jesper Bech Christensen	0.46 s	Kotlin	2023-09-01 13:07:07
4	Neil Harmon	0.48 s	Kotlin	2019-10-17 12:17:46
5	Frans-Lukas Lövenvald	0.52 s	Kotlin	2020-10-21 13:07:37
6	Jahid Hasan Imon	0.53 s	Kotlin	2020-06-03 00:04:24
7	Peter Mikkelsen	0.53 s	Kotlin	2021-01-06 20:05:24
8	Sergey Jakobsen	0.53 s	Kotlin	2021-06-09 22:08:45
9	Adam Rankin	0.53 s	Kotlin	2023-04-26 20:08:11
10	Alexandre Conte	0.56 s	Kotlin	2021-08-22 14:03:36

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.02 s	Pascal	2017-10-25 09:10:34

#	User	Runtime	Language	Date
1	Saito Ta	0.02 s	Perl	2024-04-18 10:33:22

#	User	Runtime	Language	Date
1	Asger Hautop Drewsen	0.04 s	Python 2	2016-01-27 17:17:56
2	Hermon Mulat	0.05 s	Python 2	2016-11-09 06:23:43
3	Arnav Aggarwal	0.05 s	Python 2	2018-12-04 19:17:10
4	Lim Hong Hui Eugene	0.05 s	Python 2	2019-04-25 12:05:47
5	Nicholas Kappauf	0.05 s	Python 2	2023-06-01 15:19:52
6	Çağdaş Öztekin	0.06 s	Python 2	2017-10-22 19:19:03
7	William Gan	0.06 s	Python 2	2017-12-26 14:21:53
8	Christopher Webb	0.06 s	Python 2	2018-09-20 22:20:23
9	Jesper Öqvist	0.06 s	Python 2	2018-10-30 14:52:12
10	Guan Yang Ze	0.06 s	Python 2	2020-02-02 12:06:30

#	User	Runtime	Language	Date
1	Altan Tutar	0.02 s	Python 3	2017-10-29 02:44:51
2	Hidden user	0.02 s	Python 3	2018-04-29 19:11:24
3	Kasra Ghodsi	0.02 s	Python 3	2018-05-08 16:45:11
4	Lee Tze Han	0.02 s	Python 3	2019-11-06 13:31:24
5	Thais Minet	0.03 s	Python 3	2016-03-29 01:52:33
6	Bernhard Kartefla	0.03 s	Python 3	2016-04-06 14:59:01
7	Henrik Adolfsson	0.03 s	Python 3	2016-04-24 15:06:39
8	Patrik Andersson	0.03 s	Python 3	2016-04-25 13:24:18
9	Hidden user	0.03 s	Python 3	2016-08-17 13:20:05
10	Joshua Guerin	0.03 s	Python 3	2017-04-28 23:14:31

#	User	Runtime	Language	Date
1	Ludvig Tydén	0.06 s	Ruby	2022-02-20 02:15:50
2	Johan Bergfalk	0.06 s	Ruby	2022-02-26 10:55:54
3	Robert Haines	0.06 s	Ruby	2022-04-30 09:04:56
4	Reza Rezvan	0.07 s	Ruby	2022-02-24 17:23:39
5	Thomas Feld	0.07 s	Ruby	2023-01-27 13:34:15
6	Jesper Bergquist	0.08 s	Ruby	2022-02-24 17:05:14
7	Martin Björklund	0.22 s	Ruby	2022-02-20 22:28:44
8	Mohammad Satrio	0.26 s	Ruby	2020-11-04 15:18:44
9	Braydon Willms	0.33 s	Ruby	2019-11-07 04:23:08

#	User	Runtime	Language	Date
1	Connor Skees	0.00 s	Rust	2020-10-30 18:48:56
2	Vincent Lagerros	0.00 s	Rust	2025-06-08 17:51:28
3	Isak Jägberg	0.01 s	Rust	2020-10-24 21:34:01
4	Jakub Jagiello	0.01 s	Rust	2020-11-01 15:19:03
5	Ethan Suresh	0.01 s	Rust	2020-12-17 22:13:33
6	Stephan Seitz	0.01 s	Rust	2020-12-26 01:12:47
7	Hidden user	0.01 s	Rust	2021-01-11 17:10:46
8	Brendan Gluth	0.01 s	Rust	2021-03-08 06:32:02
9	Sam Light	0.01 s	Rust	2021-09-08 07:25:35
10	Eric Pinter	0.01 s	Rust	2021-11-18 05:35:44

#	User	Runtime	Language	Date
1	John Magne Bredal	0.08 s	TypeScript	2024-06-18 14:32:54

#	User	Length	Language	Date
1	Oliver Ruste Jahren	357	C	2023-05-29 14:57:23
2	Teodor Spæren	514	C	2020-12-08 16:53:07
3	Henrik Hansson	609	C	2022-02-21 15:10:34
4	Olof Zachrisson	628	C	2021-01-30 15:22:34
5	Abdirahman	684	C	2021-09-08 19:31:32
6	Tyler Mulholland	729	C	2024-11-19 22:41:55
7	Lawrence Li	739	C	2016-01-29 05:40:19
8	Andrew Roberts	753	C	2017-10-08 20:50:36
9	Dinesh Pabbi	783	C	2020-12-15 23:51:16
10	Aisha Rigert	787	C	2016-09-22 00:15:44

#	User	Length	Language	Date
1	PlagueX	483	C#	2024-03-02 15:48:10
2	Thomas Norris	632	C#	2020-01-13 15:22:16
3	Carles Bordas	702	C#	2023-07-15 11:37:05
4	Danilo Francisco Meirelles Peres	710	C#	2022-01-08 22:39:30
5	Daniel Bauer	758	C#	2021-02-02 22:44:04
6	Liam Percy	767	C#	2018-06-15 07:09:59
7	Khin Nyunt	781	C#	2017-01-07 17:01:33
8	Viktor Máni Mönster	986	C#	2018-07-30 23:21:08
9	Victor Bengtsson	1025	C#	2021-03-27 10:45:29
10	Niklas Vafan	1033	C#	2020-12-14 13:47:53

#	User	Length	Language	Date
1	Nathan Mandell	320	C++	2019-01-29 18:25:24
2	Antonio Molina Lovett	343	C++	2016-08-11 09:10:15
3	Hidden user	362	C++	2020-02-03 19:23:26
4	tarcine	382	C++	2017-10-03 04:32:43
5	Christian Yongwhan Lim	393	C++	2023-06-02 15:28:21
6	Hidden user	428	C++	2017-06-04 12:46:00
7	Yeung Man Tsung	431	C++	2022-12-31 15:54:50
8	Johan Wind	435	C++	2018-03-21 00:47:51
9	Ganapathy Sanath Balaji	442	C++	2019-12-10 11:37:03
10	Thomas Li	453	C++	2021-01-17 19:46:33

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	664	F#	2023-05-05 14:16:15

#	User	Length	Language	Date
1	Henrik Hansson	619	Go	2022-02-20 22:10:54
2	Oskar Johanson	639	Go	2019-10-12 09:44:21
3	Johannes Moberg	748	Go	2018-12-05 11:25:36
4	Andrew Gemmel	784	Go	2022-12-06 00:43:55
5	Norbert Voelker	798	Go	2021-07-29 00:29:50
6	Evelyn May	808	Go	2020-12-07 03:19:08
7	Jesse Kalil Martins	1122	Go	2022-01-02 16:48:54
8	Tyler D Kelley	2081	Go	2025-02-14 16:17:07

#	User	Length	Language	Date
1	Sebastian Banert	395	Haskell	2023-04-23 15:56:13
2	Øyvind Almli	408	Haskell	2023-01-11 12:41:56
3	Patrik Lilja	418	Haskell	2017-03-07 20:03:35
4	Shing Tak Lam	466	Haskell	2021-03-12 08:38:10
5	Matthias Hetzenberger	472	Haskell	2020-03-02 21:35:00
6	Hidden user	545	Haskell	2022-11-21 23:47:00
7	Juan Miguel Vilar	549	Haskell	2020-12-12 20:05:30
8	Rudi Svartveit	562	Haskell	2019-09-25 18:21:13
9	Mason Barnhill	593	Haskell	2023-08-01 15:39:20
10	Hidden user	659	Haskell	2022-04-22 17:03:48

#	User	Length	Language	Date
1	Nicholas DeCarlo	493	Java	2022-01-25 07:42:38
2	Doug Goodman	567	Java	2018-05-24 19:39:06
3	Ada Clevinger	615	Java	2018-06-12 14:50:57
4	Chandler Griscom	632	Java	2016-09-22 00:00:01
5	Micah Stairs	649	Java	2016-09-03 03:54:36
6	daffa fathani adila	670	Java	2021-01-14 12:34:43
7	Crystal Yang	686	Java	2023-09-28 23:45:02
8	Alojz Milicevic	691	Java	2018-12-08 11:45:37
9	Destiny S Mhishi	717	Java	2016-03-30 19:23:41

#	User	Length	Language	Date
1	Mikael Andersson	478	JavaScript (Node.js)	2020-03-12 13:08:56
2	Oliver Larsson	698	JavaScript (Node.js)	2022-10-14 12:04:47
3	Nathan Dygant	769	JavaScript (Node.js)	2020-09-26 12:36:05
4	Marius Alexander Winsjansen	797	JavaScript (Node.js)	2020-12-14 20:48:59
5	Jesper Svendgaard Åhman Hansen	797	JavaScript (Node.js)	2020-12-14 20:49:24
6	Hedda Isaksson	801	JavaScript (Node.js)	2021-11-28 12:32:00
7	Khin Nyunt	804	JavaScript (Node.js)	2021-12-10 09:41:03
8	Drake Cullen	971	JavaScript (Node.js)	2021-02-23 18:11:26
9	Amol Borgaonkar	1097	JavaScript (Node.js)	2019-03-02 18:25:51
10	Emil Kallioniemi	1461	JavaScript (Node.js)	2021-01-23 17:21:49

#	User	Length	Language	Date
1	Nicholas DeCarlo	87	JavaScript (SpiderMonkey)	2022-01-25 09:10:41
2	Zach Tschetter	292	JavaScript (SpiderMonkey)	2023-06-13 04:48:32
3	Christian Pilegaard Cederquist	334	JavaScript (SpiderMonkey)	2023-03-10 21:39:43
4	Peter Kedemo	336	JavaScript (SpiderMonkey)	2015-12-31 23:43:34
5	Bjørn Chr. Soltvedt	401	JavaScript (SpiderMonkey)	2016-02-20 01:48:04
6	Hidden user	414	JavaScript (SpiderMonkey)	2018-10-25 00:20:58
7	Andrea Bianchessi	478	JavaScript (SpiderMonkey)	2018-08-22 22:27:39

#	User	Length	Language	Date
1	Hidden user	208	Julia	2025-09-06 21:06:58
2	Timothy Gaede	1057	Julia	2024-05-24 09:36:56

#	User	Length	Language	Date
1	Jesper Bech Christensen	333	Kotlin	2023-09-01 13:07:07
2	Joseph McKinsey	350	Kotlin	2019-08-18 22:34:33
3	Alexandre Conte	466	Kotlin	2021-08-22 14:03:36
4	Adam Rankin	482	Kotlin	2023-04-26 20:08:11
5	Sergey Jakobsen	579	Kotlin	2021-06-09 22:08:45
6	Jahid Hasan Imon	581	Kotlin	2020-06-03 00:04:24
7	Dico Karssiens	887	Kotlin	2018-11-25 07:39:26
8	Peter Mikkelsen	968	Kotlin	2021-01-06 20:02:43
9	Neil Harmon	1037	Kotlin	2019-10-17 12:17:46
10	Caden G	1451	Kotlin	2019-11-08 16:15:34

#	User	Length	Language	Date
1	Ingemar Ragnemalm	689	Pascal	2017-10-25 09:10:34

#	User	Length	Language	Date
1	Saito Ta	99	Perl	2024-04-18 10:33:22

#	User	Length	Language	Date
1	Thomas Feld	113	Python 2	2019-09-13 11:27:28
2	Andreas Eisele	198	Python 2	2018-09-08 09:17:10
3	Asger Hautop Drewsen	215	Python 2	2016-01-27 17:17:56
4	Lim Hong Hui Eugene	221	Python 2	2019-04-25 12:05:47
5	William Gan	259	Python 2	2017-12-26 14:21:53
6	Olav Røthe Bakken	289	Python 2	2019-09-25 16:56:56
7	Andreas Björklund	296	Python 2	2020-10-28 16:03:08
8	Lars Åström	300	Python 2	2018-11-28 13:40:04
9	Nicholas Kappauf	329	Python 2	2023-06-01 15:19:52
10	Jesper Öqvist	342	Python 2	2018-10-30 14:52:12

#	User	Length	Language	Date
1	Gustav Elmqvist	86	Python 3	2023-02-12 23:00:39
2	Benjamin Z White	86	Python 3	2023-05-14 19:44:09
3	Guk Yi Siong	87	Python 3	2022-11-18 09:28:45
4	Christopher Kopp	91	Python 3	2023-03-02 23:06:33
5	Peter Seely	91	Python 3	2024-02-16 09:38:59
6	Paul Swingle	113	Python 3	2023-07-22 04:15:18
7	David Llorens	153	Python 3	2024-08-16 18:03:46
8	Farzam Abrishami	162	Python 3	2024-01-28 12:39:38
9	Lee Isaac	169	Python 3	2023-01-23 22:31:18
10	Hidden user	172	Python 3	2023-07-28 02:09:13

#	User	Length	Language	Date
1	Thomas Feld	70	Ruby	2023-01-27 13:42:01
2	Robert Haines	282	Ruby	2022-04-30 09:04:56
3	Mohammad Satrio	440	Ruby	2020-11-05 00:36:25
4	Braydon Willms	530	Ruby	2019-11-07 04:23:08
5	Jesper Bergquist	656	Ruby	2022-02-24 17:05:14
6	Ludvig Tydén	662	Ruby	2022-02-20 02:15:50
7	Reza Rezvan	821	Ruby	2022-02-24 17:23:39
8	Johan Bergfalk	902	Ruby	2022-02-26 11:57:30
9	Martin Björklund	1539	Ruby	2022-02-20 22:28:44

#	User	Length	Language	Date
1	Stephan Seitz	557	Rust	2020-12-26 01:12:47
2	Ethan Suresh	739	Rust	2020-12-17 22:16:05
3	Isak Jägberg	834	Rust	2020-10-24 21:34:01
4	Bas Dirks	916	Rust	2022-01-19 09:35:00
5	Joe Little	929	Rust	2024-04-11 22:26:30
6	Adam Gausmann	1008	Rust	2022-12-27 05:05:02
7	Squid Ness	1045	Rust	2023-08-02 18:17:49
8	Sam Light	1078	Rust	2021-09-08 07:25:35
9	Dalton Cole	1141	Rust	2021-11-05 06:01:07
10	Matteo Vogt	1157	Rust	2022-10-20 15:11:51

#	User	Length	Language	Date
1	John Magne Bredal	970	TypeScript	2024-06-18 14:32:54

Solution running time distribution