Problem C
Reducera graffärgning — Problem Statistics

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Submissions	68110
Accepted submissions	6750
Submission ratio	9.91%
Authors	2541
Full solves [?]	2092
Full solve Ratio	82.33%

#	User	Runtime	Language	Date
1	Arvid Jonasson	0.08 s	APL	2025-07-25 14:21:32

#	User	Runtime	Language	Date
1	Robert Rosenquist	0.95 s	Bash	2025-11-14 11:00:18

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2017-11-08 16:42:22
2	Albin Byström	0.00 s	C	2018-03-27 10:45:39
3	Axel Lindeberg	0.00 s	C	2018-12-12 20:34:42
4	Ludvig Christensen	0.00 s	C	2019-04-02 11:44:16
5	Gustaf Blomqvist	0.00 s	C	2019-11-10 21:05:19
6	Vincent Lagerros	0.00 s	C	2023-11-10 19:37:48
7	Marcus Dicander	0.01 s	C	2016-11-12 09:58:45
8	Erik Lindström	0.01 s	C	2016-11-12 22:23:03
9	Hidden user	0.01 s	C	2016-11-14 14:36:49
10	Mikael Forsberg	0.01 s	C	2016-11-15 20:06:21

#	User	Runtime	Language	Date
1	Hidden user	0.09 s	C#	2019-04-02 19:39:25
2	Alexander Skalski	0.12 s	C#	2023-11-01 19:44:17
3	Alexander Krantz	0.13 s	C#	2021-04-13 14:07:19

#	User	Runtime	Language	Date
1	Richard Uggelberg	0.00 s	C++	2017-11-09 00:19:17
2	Hidden user	0.00 s	C++	2017-11-09 01:06:48
3	Axel Lindeberg	0.00 s	C++	2018-12-12 20:32:42
4	Gustaf Blomqvist	0.00 s	C++	2019-11-10 21:18:07
5	Maximilian Alvim de Faria	0.00 s	C++	2024-11-13 12:54:15
6	Alfred Malmström	0.00 s	C++	2024-11-13 13:00:00
7	Arvid Jonasson	0.00 s	C++	2025-07-25 21:18:55
8	Marcus Dicander	0.01 s	C++	2016-11-12 09:55:14
9	Jonas Hongisto	0.01 s	C++	2016-11-12 15:54:18
10	Hidden user	0.01 s	C++	2016-11-12 20:46:57

#	User	Runtime	Language	Date
1	Christian Stjernberg	0.08 s	COBOL	2019-11-14 22:54:43

#	User	Runtime	Language	Date
1	Victor Blix	0.01 s	Go	2023-11-03 22:50:38
2	Eugén Bevegård	0.02 s	Go	2023-11-10 14:55:25
3	Oscar Hellgren	0.04 s	Go	2025-06-05 23:21:23
4	Saga Karlsson	0.04 s	Go	2025-11-05 09:41:00
5	Jens William Forslund	0.04 s	Go	2025-11-06 14:31:26
6	Joakim Bäck	0.08 s	Go	2019-11-14 16:19:50
7	Lowe Bonnevier	0.09 s	Go	2021-04-08 14:03:01
8	Erik Söderlund	0.13 s	Go	2024-11-11 20:14:53
9	Carl Liljencrantz	0.15 s	Go	2025-06-09 20:32:13
10	Edvard All	0.39 s	Go	2020-11-12 16:22:40

#	User	Runtime	Language	Date
1	Mikael Blomstrand	0.02 s	Haskell	2016-11-12 17:26:34
2	Hidden user	0.03 s	Haskell	2018-11-07 18:09:19
3	Theo Åhfeldt	0.03 s	Haskell	2019-10-26 16:15:36
4	Anders Thuné	0.03 s	Haskell	2019-10-27 14:12:13
5	Niklas Reje	0.11 s	Haskell	2019-08-09 12:53:51
6	Simon Rosén	0.11 s	Haskell	2022-11-09 16:10:17
7	Hidden user	0.12 s	Haskell	2018-11-16 11:55:03
8	Fredrik Blomqvist	0.12 s	Haskell	2023-11-14 15:11:18
9	Eskil Queseth	0.17 s	Haskell	2021-11-17 09:37:37
10	Isaac Arvestad	0.20 s	Haskell	2017-11-17 15:35:54

#	User	Runtime	Language	Date
1	Axel Lindeberg	0.06 s	Java	2018-12-12 19:58:44
2	Henrik Mellin	0.07 s	Java	2018-12-07 01:23:25
3	Hidden user	0.09 s	Java	2018-11-07 19:30:32
4	Gustav Norén	0.11 s	Java	2018-03-28 06:21:02
5	Maxmilian Auer	0.11 s	Java	2018-06-05 15:50:25
6	Johan Wieslander	0.11 s	Java	2020-06-04 12:51:46
7	Hidden user	0.15 s	Java	2018-08-11 13:17:12
8	Alan Ihre	0.15 s	Java	2018-11-02 08:20:32
9	Love Almgren	0.15 s	Java	2018-11-09 07:58:46
10	Mattias Bergström	0.15 s	Java	2018-11-09 09:07:52

#	User	Runtime	Language	Date
1	Jiaxun Wei	0.23 s	JavaScript (Node.js)	2026-01-23 11:51:39
2	Hidden user	0.39 s	JavaScript (Node.js)	2019-05-30 14:47:04
3	David Bardvall	0.63 s	JavaScript (Node.js)	2021-03-31 17:42:37

#	User	Runtime	Language	Date
1	Jesper Lundholm	0.66 s	Kotlin	2017-11-06 18:59:06
2	Karlo Angelic	0.73 s	Kotlin	2022-11-14 23:51:35

#	User	Runtime	Language	Date
1	Ruben Socha	0.05 s	Lua	2024-04-16 12:43:46

#	User	Runtime	Language	Date
1	Melvin Jakobsson	0.22 s	Prolog	2022-11-10 12:20:48
2	Christian Stjernberg	0.23 s	Prolog	2019-11-11 13:40:43

#	User	Runtime	Language	Date
1	Gustaf Blomqvist	0.04 s	Python 2	2019-11-12 01:00:36
2	Lara Sheik	0.04 s	Python 2	2019-11-21 14:55:45
3	Victor Alsen	0.05 s	Python 2	2019-11-08 15:57:05
4	Johan Parö	0.06 s	Python 2	2018-11-09 13:23:36
5	Alexander Kruger	0.06 s	Python 2	2019-11-06 22:58:52
6	Anushri Devarmanai	0.07 s	Python 2	2018-04-13 20:40:08
7	Nicolai Hellesnes	0.08 s	Python 2	2018-11-10 13:17:03
8	Hidden user	0.08 s	Python 2	2018-11-10 13:19:43
9	Felix Balthasar Berief	0.09 s	Python 2	2019-04-02 16:31:03
10	Özer Özkahraman	0.14 s	Python 2	2017-04-21 16:39:39

#	User	Runtime	Language	Date
1	Gustaf Blomqvist	0.02 s	Python 3	2019-11-12 00:37:24
2	Victor Alsen	0.02 s	Python 3	2019-11-20 02:15:10
3	Lara Sheik	0.02 s	Python 3	2019-11-21 14:51:10
4	Hidden user	0.04 s	Python 3	2018-10-29 10:40:09
5	David Stevens	0.05 s	Python 3	2018-11-08 20:12:51
6	Måns Andersson	0.05 s	Python 3	2019-11-08 11:38:22
7	Marcus Enström	0.05 s	Python 3	2019-11-10 12:16:43
8	Ryll Åman	0.05 s	Python 3	2023-04-20 12:43:45
9	Andy Li	0.05 s	Python 3	2024-10-27 14:38:36
10	Seema Fatima Bashir	0.05 s	Python 3	2024-11-04 21:05:52

#	User	Runtime	Language	Date
1	Sebastián Valencia Naranjo	0.06 s	Python 3 with NumPy	2025-04-11 15:47:19
2	Zhen Han	0.08 s	Python 3 with NumPy	2023-04-16 19:55:24
3	Sathvik Perkari	0.10 s	Python 3 with NumPy	2023-06-02 12:39:02
4	Maciej Grzegorz Staniszewski	0.12 s	Python 3 with NumPy	2024-04-19 13:17:28
5	Hidden user	0.12 s	Python 3 with NumPy	2024-04-20 20:54:23
6	Benoît Goupil	0.12 s	Python 3 with NumPy	2024-04-22 11:05:26
7	Anni Bäckman	0.13 s	Python 3 with NumPy	2024-04-15 16:48:24
8	Shadman Hassan	0.15 s	Python 3 with NumPy	2025-06-11 02:08:32
9	Tianji Ma	0.30 s	Python 3 with NumPy	2022-11-02 19:06:29
10	Tristan Gumbel	0.40 s	Python 3 with NumPy	2024-04-17 13:58:03

#	User	Runtime	Language	Date
1	Paul Vinell	0.08 s	Ruby	2019-10-27 12:12:12

#	User	Runtime	Language	Date
1	Axel Lindeberg	0.00 s	Rust	2019-09-15 19:18:30
2	Gustaf Blomqvist	0.00 s	Rust	2019-11-08 15:28:56
3	Isak Einberg	0.00 s	Rust	2022-11-21 15:00:07
4	Vincent Lagerros	0.00 s	Rust	2023-11-07 20:42:52
5	Oskar Nehlin	0.01 s	Rust	2018-11-13 16:04:31
6	Aleksandar Mitic	0.01 s	Rust	2018-11-13 17:02:15
7	Joel Söderman	0.01 s	Rust	2019-03-23 20:25:05
8	Markus Wesslén	0.01 s	Rust	2019-11-10 01:20:42
9	Aron Bergman	0.01 s	Rust	2021-11-22 09:42:12
10	Didrik Munther	0.01 s	Rust	2021-11-23 13:58:45

#	User	Length	Language	Date
1	Arvid Jonasson	132	APL	2025-11-13 16:18:45

#	User	Length	Language	Date
1	Robert Rosenquist	611	Bash	2025-11-14 11:00:18

#	User	Length	Language	Date
1	Leo Vainio	241	C	2022-11-20 15:32:01
2	Oscar Cusin	253	C	2022-11-19 14:01:38
3	Vincent Lagerros	306	C	2023-11-07 21:45:48
4	Vilmer Jonsson	444	C	2022-11-16 10:25:52
5	Linus Rackner	591	C	2025-11-08 14:19:18
6	Gustaf Blomqvist	621	C	2019-11-10 20:12:54
7	Ryll Åman	628	C	2023-04-16 19:24:11
8	Viggo Kann	680	C	2022-11-07 22:49:55
9	Elin Inoue	755	C	2021-11-15 19:52:34
10	Henrik Mellin	792	C	2018-12-09 17:32:41

#	User	Length	Language	Date
1	Alexander Skalski	2084	C#	2023-11-01 19:44:17
2	Hidden user	3281	C#	2019-04-02 19:39:25
3	Alexander Krantz	4201	C#	2021-04-13 13:34:54

#	User	Length	Language	Date
1	Leo Vainio	270	C++	2022-11-19 16:08:18
2	Martin Sun	418	C++	2025-11-10 18:10:26
3	Farhan Syed	429	C++	2023-10-24 15:06:28
4	Samuel Greenberg	499	C++	2023-11-06 20:30:11
5	Herman Karlsson	555	C++	2019-11-07 22:48:07
6	Edvin Söderlund	602	C++	2025-11-14 15:03:19
7	Nils Gustafsson	618	C++	2017-04-19 08:57:11
8	Gustaf Blomqvist	621	C++	2019-11-10 20:15:42
9	Lukas Mattsson	633	C++	2021-11-09 01:02:37
10	Albin Andréasson	662	C++	2020-11-05 12:19:14

#	User	Length	Language	Date
1	Christian Stjernberg	2401	COBOL	2019-11-14 22:54:43

#	User	Length	Language	Date
1	Leo Vainio	382	Go	2022-11-20 19:29:11
2	Edvard All	1055	Go	2020-11-12 16:22:40
3	Eldar Zeynalli	1099	Go	2019-10-30 13:17:57
4	Oscar Hellgren	1175	Go	2025-06-06 00:05:17
5	Victor Blix	1455	Go	2023-11-03 22:50:38
6	Fanny Voltaire	1594	Go	2020-11-10 09:05:44
7	Hidden user	1707	Go	2020-11-10 08:52:26
8	Eugén Bevegård	1841	Go	2023-11-10 14:55:25
9	Lowe Bonnevier	2098	Go	2021-04-08 14:03:01
10	Saga Karlsson	2956	Go	2025-11-05 09:41:00

#	User	Length	Language	Date
1	Hidden user	1059	Haskell	2018-11-04 15:19:36
2	Mikael Blomstrand	1110	Haskell	2016-11-12 17:26:34
3	Fredrik Blomqvist	1127	Haskell	2023-11-14 15:11:18
4	Eskil Queseth	1360	Haskell	2021-11-15 13:03:22
5	Hidden user	1551	Haskell	2018-11-16 11:55:03
6	Isaac Arvestad	1599	Haskell	2017-11-16 12:13:30
7	Simon Rosén	1642	Haskell	2022-11-09 16:10:17
8	Theo Åhfeldt	1723	Haskell	2019-10-26 16:15:36
9	Anders Thuné	1723	Haskell	2019-10-27 14:12:13
10	Niklas Reje	2265	Haskell	2019-08-09 13:06:24

#	User	Length	Language	Date
1	Leo Vainio	427	Java	2022-11-19 18:14:06
2	Johan Hahlin	671	Java	2025-11-12 13:18:55
3	Anna Veselova	967	Java	2017-05-24 12:02:16
4	Oskar Furuhed	1035	Java	2025-11-11 20:06:05
5	Emelie Wästlund	1109	Java	2025-06-05 12:40:42
6	Anton Jansson	1216	Java	2025-11-14 14:30:59
7	Rickard Björklund	1266	Java	2017-04-06 09:22:07
8	Isabelle Hallman	1292	Java	2017-04-18 12:35:04
9	Paul Wall	1311	Java	2019-04-26 06:57:54
10	Lukas Pöldma	1313	Java	2025-12-09 21:50:33

#	User	Length	Language	Date
1	Jiaxun Wei	976	JavaScript (Node.js)	2026-01-23 11:51:39
2	David Bardvall	2373	JavaScript (Node.js)	2021-03-31 17:42:37
3	Hidden user	5479	JavaScript (Node.js)	2019-05-30 14:47:04

#	User	Length	Language	Date
1	Karlo Angelic	1903	Kotlin	2022-11-14 23:51:35
2	Jesper Lundholm	2692	Kotlin	2017-11-06 19:07:22

#	User	Length	Language	Date
1	Ruben Socha	748	Lua	2024-04-16 12:43:46

#	User	Length	Language	Date
1	Melvin Jakobsson	962	Prolog	2022-11-10 14:05:48
2	Christian Stjernberg	1960	Prolog	2019-11-11 15:00:44

#	User	Length	Language	Date
1	Victor Alsen	532	Python 2	2019-11-08 15:57:05
2	Gustaf Blomqvist	600	Python 2	2019-11-12 01:00:36
3	Lara Sheik	840	Python 2	2019-11-21 14:55:45
4	Felix Balthasar Berief	866	Python 2	2019-04-02 16:31:03
5	Johan Parö	1258	Python 2	2018-11-09 13:58:56
6	Hidden user	1583	Python 2	2018-11-10 13:19:43
7	Nicolai Hellesnes	1585	Python 2	2018-11-10 13:17:03
8	Robin Gunning	1605	Python 2	2016-11-16 20:12:41
9	Samuel Stenberg	1872	Python 2	2017-04-13 23:57:23
10	Anushri Devarmanai	1877	Python 2	2018-04-13 20:40:08

#	User	Length	Language	Date
1	Elias Lundell	141	Python 3	2025-04-01 21:28:25
2	Eskil Nyberg	142	Python 3	2025-04-02 09:46:18
3	Isak Nyberg	152	Python 3	2023-10-13 09:55:16
4	Ismael Parada	166	Python 3	2024-01-29 19:25:42
5	Ryll Åman	193	Python 3	2023-04-15 16:38:45
6	Patrik Magnus Johansson	272	Python 3	2022-11-13 08:52:39
7	Leo Vainio	279	Python 3	2022-11-18 09:52:46
8	Emma Ericsson	293	Python 3	2025-11-11 15:22:46
9	Robert Rosenquist	293	Python 3	2025-11-11 15:24:49
10	Mathias Magnusson	295	Python 3	2023-11-15 19:22:42

#	User	Length	Language	Date
1	Jesper Qvick	360	Python 3 with NumPy	2024-04-09 08:53:47
2	Nils Forsgren	883	Python 3 with NumPy	2023-04-28 14:23:53
3	Sathvik Perkari	1083	Python 3 with NumPy	2023-06-02 12:39:02
4	Zeyang Kong	1335	Python 3 with NumPy	2025-03-24 17:32:36
5	Hidden user	1404	Python 3 with NumPy	2024-04-20 20:54:23
6	Paula Schembri	1413	Python 3 with NumPy	2024-04-22 06:59:33
7	Tianji Ma	1443	Python 3 with NumPy	2022-11-02 19:06:29
8	Anni Bäckman	1480	Python 3 with NumPy	2024-04-15 16:48:24
9	Maciej Grzegorz Staniszewski	1627	Python 3 with NumPy	2024-04-19 13:17:28
10	Benoît Goupil	1659	Python 3 with NumPy	2024-04-22 12:43:06

#	User	Length	Language	Date
1	Paul Vinell	825	Ruby	2019-10-27 12:12:12

#	User	Length	Language	Date
1	Vincent Lagerros	441	Rust	2023-11-07 21:53:18
2	Isak Einberg	643	Rust	2022-11-14 19:48:11
3	Azeez Daoud	891	Rust	2023-11-07 20:34:36
4	Elias Rilegård	1210	Rust	2024-04-16 15:34:44
5	Gustaf Blomqvist	1299	Rust	2019-11-08 15:40:57
6	Melvin Jakobsson	1377	Rust	2022-11-08 22:28:14
7	Samuel Falk	1461	Rust	2021-11-18 14:37:58
8	Edvard All	1492	Rust	2020-11-12 14:42:26
9	Markus Wesslén	1523	Rust	2019-11-08 12:35:41
10	Hidden user	1542	Rust	2025-04-08 17:13:47

Solution running time distribution