Problem A
Raðir — Problem Statistics

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Submissions	932
Accepted submissions	568
Submission ratio	60.94%
Authors	219
Accepted authors	201
Author ratio	91.78%

#	User	Score	Language	Date
1	Eyleifur Bjarkason	100	C	2021-08-07 04:32:33
2	Bergur Snorrason	100	C	2021-04-29 11:24:55
3	Sambit Palit	100	C	2021-06-28 01:21:34
4	Samo Metličar	100	C	2021-07-14 23:26:52
5	Florian ten Napel	100	C	2024-11-17 22:43:11

#	User	Score	Language	Date
1	traxex	100	C#	2024-04-30 11:24:47
2	Jesper Lundin	100	C#	2021-10-03 20:11:52

#	User	Score	Language	Date
1	KatSch	100	Common Lisp	2025-06-18 11:28:12

#	User	Score	Language	Date
1	Steinar Simonnes	15	Haskell	2024-08-18 18:05:45

#	User	Score	Language	Date
1	Christian Cederquist	100	JavaScript (SpiderMonkey)	2024-01-22 22:07:55
2	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2023-11-12 00:44:40

#	User	Score	Language	Date
1	Noszály Csaba	100	Julia	2025-03-20 11:49:45
2	Vahagn Altunyan	15	Julia	2024-05-26 23:04:00

#	User	Score	Language	Date
1	Greg Gorlen	100	PHP	2024-01-25 18:09:05

#	User	Score	Language	Date
1	Maj Stenmark	100	Python 2	2021-09-30 19:36:21
2	Andreas Björklund	100	Python 2	2022-01-18 18:48:19

#	User	Score	Language	Date
1	Frederik Petersen	15	Ruby	2024-09-15 07:21:26

#	User	Score	Language	Date
1	Vincent Lagerros	100	Rust	2024-06-09 03:10:54
2	Bas Dirks	100	Rust	2022-06-05 10:03:19
3	Florian ten Napel	100	Rust	2024-11-17 23:47:23
4	Eric Pinter	100	Rust	2021-05-28 23:21:54
5	Hidden user	100	Rust	2023-06-04 16:36:17
6	Þorvaldur Tumi Baldursson	100	Rust	2023-01-17 17:35:09
7	Valdimar Örn	100	Rust	2023-01-16 15:23:08

#	User	Score	Language	Date
1	Hidden user	100	Swift	2024-01-28 21:45:02

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.02 s	C	2021-08-07 04:32:33
2	Bergur Snorrason	0.03 s	C	2021-04-29 11:24:55
3	Sambit Palit	0.14 s	C	2021-06-28 01:21:34
4	Samo Metličar	0.14 s	C	2021-07-14 23:26:52
5	Florian ten Napel	0.14 s	C	2024-11-17 22:43:11

#	User	Runtime	Language	Date
1	traxex	0.24 s	C#	2024-04-30 11:24:47
2	Jesper Lundin	0.37 s	C#	2021-10-03 20:11:52

#	User	Runtime	Language	Date
1	Tómas Ingi Hrólfsson	0.02 s	C++	2021-04-21 19:27:21
2	Filip Hovorka	0.02 s	C++	2021-09-22 01:13:21
3	Agis Daniels	0.02 s	C++	2022-01-13 23:10:47
4	Frank Endriss	0.03 s	C++	2021-05-28 15:23:14
5	Alexander Kravberg	0.03 s	C++	2025-01-07 01:39:51
6	Hidden user	0.10 s	C++	2021-07-30 18:12:09
7	Gunnsteinn Þór Ólason	0.10 s	C++	2025-04-18 13:43:09
8	Nicholas Foo Chuan Le	0.11 s	C++	2021-04-21 21:35:36
9	Leo Lee	0.11 s	C++	2023-04-27 04:11:07
10	Lyubomir Savekov	0.11 s	C++	2023-09-29 22:08:20

#	User	Runtime	Language	Date
1	KatSch	0.76 s	Common Lisp	2025-06-18 11:28:12

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.13 s	Java	2021-04-28 09:11:34
2	Liam Keliher	0.20 s	Java	2024-05-30 19:29:43
3	Martin Jakobsson	0.48 s	Java	2021-08-19 18:12:59
4	Brent Yorgey	0.59 s	Java	2021-04-22 13:31:05
5	Hiếu Vũ Minh	0.60 s	Java	2024-03-13 14:32:28
6	Quân Anh	0.60 s	Java	2024-04-25 07:59:15
7	Doug Goodman	0.81 s	Java	2021-10-17 19:21:23
8	Atli Fannar Franklín	1.60 s	Java	2022-01-21 15:51:35
9	Sturla Páll	1.64 s	Java	2022-01-21 16:18:53
10	Árni Björn Óskarsson	1.68 s	Java	2023-01-19 14:42:35

#	User	Runtime	Language	Date
1	Christian Cederquist	0.49 s	JavaScript (SpiderMonkey)	2024-01-22 22:07:55
2	Bjørn Chr. Soltvedt	1.69 s	JavaScript (SpiderMonkey)	2023-11-12 00:44:40

#	User	Runtime	Language	Date
1	Noszály Csaba	0.85 s	Julia	2025-03-20 11:49:45

#	User	Runtime	Language	Date
1	Greg Gorlen	0.37 s	PHP	2024-01-25 18:09:05

#	User	Runtime	Language	Date
1	Maj Stenmark	0.75 s	Python 2	2021-09-30 19:36:21
2	Andreas Björklund	0.75 s	Python 2	2022-01-18 18:48:19

#	User	Runtime	Language	Date
1	Ryan Tan	0.21 s	Python 3	2024-08-16 16:54:45
2	Samo Metličar	0.27 s	Python 3	2021-07-14 22:44:26
3	Oskar Haarklou Veileborg	0.27 s	Python 3	2023-11-14 22:15:03
4	Vincent Tandya	0.29 s	Python 3	2021-04-21 23:04:10
5	Troels Bjerre Lund	0.33 s	Python 3	2021-04-28 14:29:36
6	Hidden user	0.34 s	Python 3	2021-08-08 22:15:27
7	Ram Basnet	0.40 s	Python 3	2021-11-08 03:13:44
8	Lex Janssens	0.44 s	Python 3	2021-08-30 10:21:09
9	Zsolt Németh	0.44 s	Python 3	2024-11-18 11:03:21
10	Jason Clarke	0.45 s	Python 3	2024-12-01 15:25:43

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2024-06-09 03:10:54
2	Bas Dirks	0.13 s	Rust	2022-06-05 10:03:19
3	Florian ten Napel	0.14 s	Rust	2024-11-17 23:47:23
4	Eric Pinter	0.17 s	Rust	2021-05-28 23:21:54
5	Hidden user	0.26 s	Rust	2023-06-04 16:36:17
6	Þorvaldur Tumi Baldursson	0.32 s	Rust	2023-01-17 17:35:09
7	Valdimar Örn	1.37 s	Rust	2023-01-16 15:23:08

#	User	Runtime	Language	Date
1	Hidden user	0.84 s	Swift	2024-01-28 21:45:02

#	User	Length	Language	Date
1	Florian ten Napel	548	C	2024-11-17 22:43:11
2	Samo Metličar	914	C	2021-07-14 23:26:52
3	Sambit Palit	1152	C	2021-06-28 01:21:34
4	Bergur Snorrason	1893	C	2021-04-29 11:24:55
5	Eyleifur Bjarkason	8448	C	2021-08-07 04:32:33

#	User	Length	Language	Date
1	traxex	501	C#	2024-04-30 11:24:47
2	Jesper Lundin	1535	C#	2021-10-03 20:11:52

#	User	Length	Language	Date
1	Teikn Smith	400	C++	2024-10-12 20:24:50
2	Joris Kerkhoff	451	C++	2021-04-23 16:32:30
3	Zac Friggstad	467	C++	2021-06-28 03:03:55
4	Grae Yeandle	522	C++	2021-09-26 16:49:30
5	jie zhang	525	C++	2021-08-04 14:35:32
6	Lyubomir Savekov	533	C++	2023-09-29 22:14:16
7	Daryll Ko	536	C++	2021-07-29 04:48:31
8	Adam Charane	544	C++	2024-02-04 11:47:57
9	人外沙耶	552	C++	2021-07-19 15:29:58
10	Mathias Magnusson	574	C++	2021-08-22 20:08:33

#	User	Length	Language	Date
1	KatSch	1023	Common Lisp	2025-06-18 11:28:12

#	User	Length	Language	Date
1	Doug Goodman	1098	Java	2021-10-17 19:21:23
2	Crystal Sharpe	1350	Java	2021-04-28 09:16:53
3	Eric Leow Yu Quan	1405	Java	2021-06-07 09:40:27
4	Bóas Guðjónsson	1622	Java	2023-01-24 19:50:51
5	Atli Fannar Franklín	1683	Java	2022-01-21 15:51:35
6	Sturla Páll	1696	Java	2022-01-21 16:18:53
7	Liam Keliher	1820	Java	2024-05-30 19:15:40
8	Brianna Bowers	2104	Java	2021-05-27 20:18:44
9	Árni Björn Óskarsson	2216	Java	2023-01-19 14:42:35
10	Martin Jakobsson	2572	Java	2021-08-19 18:12:59

#	User	Length	Language	Date
1	Christian Cederquist	437	JavaScript (SpiderMonkey)	2024-01-22 22:07:55
2	Bjørn Chr. Soltvedt	590	JavaScript (SpiderMonkey)	2023-11-12 00:44:40

#	User	Length	Language	Date
1	Noszály Csaba	605	Julia	2025-03-20 11:49:45

#	User	Length	Language	Date
1	Greg Gorlen	1127	PHP	2024-01-25 18:09:05

#	User	Length	Language	Date
1	Andreas Björklund	496	Python 2	2022-01-18 18:48:19
2	Maj Stenmark	679	Python 2	2021-09-30 19:36:21

#	User	Length	Language	Date
1	Benjamin Z White	209	Python 3	2023-06-25 19:53:14
2	Ahmed Chamseddine	216	Python 3	2025-06-23 22:28:59
3	Kévin Dubrulle	245	Python 3	2024-10-22 22:19:21
4	Hidden user	305	Python 3	2024-06-15 04:25:00
5	Jason Clarke	311	Python 3	2024-12-01 15:28:04
6	Troels Bjerre Lund	349	Python 3	2021-04-28 14:29:36
7	Oskar Haarklou Veileborg	376	Python 3	2021-04-22 11:04:42
8	Hidden user	401	Python 3	2021-08-08 22:15:27
9	Finni M.	410	Python 3	2023-01-19 08:13:01
10	Hidden user	413	Python 3	2021-11-06 22:37:09

#	User	Length	Language	Date
1	Florian ten Napel	891	Rust	2024-11-17 23:56:52
2	Þorvaldur Tumi Baldursson	1113	Rust	2023-07-10 14:26:53
3	Valdimar Örn	1350	Rust	2023-01-16 15:23:08
4	Bas Dirks	1987	Rust	2022-06-05 10:03:19
5	Eric Pinter	2226	Rust	2021-05-28 23:21:54
6	Hidden user	2372	Rust	2023-06-04 16:36:17
7	Vincent Lagerros	4479	Rust	2024-06-09 03:10:54

#	User	Length	Language	Date
1	Hidden user	857	Swift	2024-01-28 21:45:02

Solution running time distribution