Problem I
Leiðangur — Problem Statistics

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Submissions	1462
Accepted submissions	1138
Submission ratio	77.84%
Authors	486
Full solves [?]	421
Full solve Ratio	86.63%

#	User	Score	Language	Date
1	Óliver Máni	100	C	2020-03-22 15:35:58
2	Bergur Snorrason	100	C	2020-03-24 11:02:51
3	Kasper Malmborg Rønne	100	C	2024-05-18 15:17:56
4	Mirel Cosulschi	100	C	2024-06-24 22:25:25
5	Sami Al Chalati	100	C	2024-08-01 16:00:39
6	Birger Lundin	100	C	2024-12-23 10:25:23
7	mohammad alsulimani	35	C	2025-07-17 17:04:05
8	Malin Grevillius	25	C	2024-12-27 09:15:16

#	User	Score	Language	Date
1	Bjarki Fannar Snorrason	100	C#	2023-11-13 13:13:48
2	Kim Mwom	100	C#	2024-09-04 23:20:42
3	Umar Rasyid	100	C#	2025-07-19 00:57:38
4	Kristófer Helgi Antonsson	25	C#	2023-02-19 05:33:26

#	User	Score	Language	Date
1	Kjartan Óli Ágústsson	25	Common Lisp	2021-11-22 12:02:49

#	User	Score	Language	Date
1	Magnus Baasch Langkilde	100	Erlang	2025-08-03 12:42:31

#	User	Score	Language	Date
1	Gudjon Bjarki	100	F#	2024-01-12 12:55:35
2	Stefan Schmiedl	100	F#	2024-09-04 17:01:57

#	User	Score	Language	Date
1	Hidden user	100	Go	2021-10-22 18:13:23
2	Norbert Voelker	100	Go	2024-04-25 00:02:14
3	Kaleb Petersen	35	Go	2025-03-22 20:59:59

#	User	Score	Language	Date
1	Steinar Simonnes	100	Haskell	2024-04-15 13:12:47
2	Hidden user	100	Haskell	2024-04-15 15:02:42
3	Brent Yorgey	100	Haskell	2024-04-20 11:51:02
4	Miguel Roldán Muñoz	100	Haskell	2024-06-03 00:01:06
5	Ng Tek In	100	Haskell	2024-12-02 02:51:02
6	Jan Hrček	100	Haskell	2024-12-26 09:59:25
7	Sebastian Banert	100	Haskell	2025-02-05 18:04:59
8	Adam Yaser Sweilem	100	Haskell	2025-02-10 16:42:26

#	User	Score	Language	Date
1	Róbert Kristian Freysson	100	JavaScript (Node.js)	2023-01-01 18:35:37
2	Hidden user	100	JavaScript (Node.js)	2024-10-23 05:19:35

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-04-15 21:05:26
2	Evan Magill	100	JavaScript (SpiderMonkey)	2024-04-27 19:03:08
3	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-05-01 07:46:08
4	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-08-29 22:09:34
5	Jose Villegas	100	JavaScript (SpiderMonkey)	2025-02-09 21:13:07

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-04-19 08:27:28
2	Danny Robinson	35	Julia	2024-09-07 00:55:10

#	User	Score	Language	Date
1	Jacob Huebner	100	Kotlin	2025-02-02 09:57:49

#	User	Score	Language	Date
1	Hidden user	100	OCaml	2025-01-06 03:19:08

#	User	Score	Language	Date
1	Ingemar Ragnemalm	25	Pascal	2025-09-08 07:56:59

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Perl	2025-01-27 14:06:02

#	User	Score	Language	Date
1	Renate	60	PHP	2024-04-20 23:45:24

#	User	Score	Language	Date
1	Samúel Arnar Hafsteinsson	100	Python 2	2020-03-21 21:02:42
2	Elvar Árni Bjarnason	100	Python 2	2020-03-29 14:00:51
3	Kristófer Helgi Antonsson	60	Python 2	2023-02-19 05:05:58
4	Jón Bjarki	35	Python 2	2021-01-21 11:54:06

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2024-04-17 14:17:36
2	Miorel Palii	100	Ruby	2024-11-28 23:23:57

#	User	Score	Language	Date
1	Þórhallur Tryggvason	100	Rust	2023-01-23 18:23:58
2	Kalle Vigren	100	Rust	2024-05-25 17:29:08
3	Frank Endriss	100	Rust	2024-06-27 14:10:38
4	Vincent Lagerros	100	Rust	2024-08-17 18:25:41
5	Erik Magnusson	100	Rust	2024-10-11 08:39:08
6	Bas Dirks	100	Rust	2025-01-12 11:58:28
7	Mikael Fiala-Lundström	100	Rust	2025-03-10 01:58:33
8	Brynjar Haraldsson	60	Rust	2021-11-10 01:48:08

#	User	Score	Language	Date
1	Arthur Dent	100	Zig	2024-05-08 13:02:21
2	Javier Gómez Díaz	100	Zig	2025-01-27 14:50:38

#	User	Runtime	Language	Date
1	Mirel Cosulschi	0.01 s	C	2024-06-24 22:25:25
2	Sami Al Chalati	0.01 s	C	2024-08-01 16:00:39
3	Birger Lundin	0.01 s	C	2024-12-23 10:25:23
4	Óliver Máni	0.02 s	C	2020-03-22 15:35:58
5	Bergur Snorrason	0.02 s	C	2020-03-24 11:02:51
6	Kasper Malmborg Rønne	0.05 s	C	2024-05-18 15:17:56

#	User	Runtime	Language	Date
1	Bjarki Fannar Snorrason	0.09 s	C#	2023-11-13 13:13:48
2	Kim Mwom	0.09 s	C#	2024-09-04 23:20:42
3	Umar Rasyid	0.09 s	C#	2025-07-19 00:57:38

#	User	Runtime	Language	Date
1	Nicholas Foo Chuan Le	0.01 s	C++	2024-04-29 18:41:35
2	Hidden user	0.01 s	C++	2024-04-30 08:57:02
3	Nare Khachatryan	0.01 s	C++	2024-05-18 09:39:43
4	Jason Liu	0.01 s	C++	2024-05-20 02:36:49
5	Brad	0.01 s	C++	2024-05-21 05:31:20
6	Leszek Hanusiak	0.01 s	C++	2024-08-29 12:56:45
7	Tùng Hoàng Lâm	0.01 s	C++	2024-09-03 09:26:09
8	Ralf Merhof	0.01 s	C++	2024-09-23 14:58:12
9	Oliver Howe	0.01 s	C++	2024-10-16 04:54:40
10	Rafail Loizou	0.01 s	C++	2025-01-21 17:15:33

#	User	Runtime	Language	Date
1	Magnus Baasch Langkilde	0.61 s	Erlang	2025-08-03 12:42:31

#	User	Runtime	Language	Date
1	Stefan Schmiedl	0.34 s	F#	2024-09-04 17:01:57
2	Gudjon Bjarki	0.52 s	F#	2024-01-12 12:55:35

#	User	Runtime	Language	Date
1	Norbert Voelker	0.01 s	Go	2024-04-25 00:02:14
2	Hidden user	0.05 s	Go	2021-10-22 18:13:23

#	User	Runtime	Language	Date
1	Jan Hrček	0.08 s	Haskell	2024-12-26 10:04:24
2	Steinar Simonnes	0.16 s	Haskell	2024-04-15 13:12:47
3	Sebastian Banert	0.16 s	Haskell	2025-02-05 18:04:59
4	Miguel Roldán Muñoz	0.17 s	Haskell	2024-06-03 00:01:06
5	Adam Yaser Sweilem	0.25 s	Haskell	2025-02-10 16:42:26
6	Brent Yorgey	0.26 s	Haskell	2024-04-20 11:51:02
7	Hidden user	0.27 s	Haskell	2024-04-15 15:02:42
8	Ng Tek In	0.57 s	Haskell	2024-12-02 02:51:02

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.10 s	Java	2024-04-20 15:16:51
2	Liam Keliher	0.15 s	Java	2024-05-17 00:10:52
3	Grant Johnson	0.15 s	Java	2025-02-13 20:14:57
4	Víðir D. Krogsgaard	0.17 s	Java	2024-08-28 00:15:10
5	Noah Leerbeck Van Wagenen	0.17 s	Java	2025-02-12 18:06:15
6	Elias Illeris Poggi	0.17 s	Java	2025-02-14 12:24:26
7	Kian Brorsen	0.17 s	Java	2025-02-16 22:49:07
8	PATRICK NAVIN THOMAS	0.18 s	Java	2024-09-07 18:54:28
9	Matthias Nyman	0.18 s	Java	2025-02-14 12:05:06
10	Fong Kai Jie	0.19 s	Java	2024-11-18 10:32:54

#	User	Runtime	Language	Date
1	Róbert Kristian Freysson	0.13 s	JavaScript (Node.js)	2023-01-01 18:35:37
2	Hidden user	0.28 s	JavaScript (Node.js)	2024-10-23 05:19:35

#	User	Runtime	Language	Date
1	Evan Magill	0.06 s	JavaScript (SpiderMonkey)	2024-04-27 19:03:08
2	Christian Pilegaard Cederquist	0.08 s	JavaScript (SpiderMonkey)	2024-05-01 07:46:08
3	Bjørn Chr. Soltvedt	0.12 s	JavaScript (SpiderMonkey)	2024-04-15 21:05:26
4	Jose Villegas	0.13 s	JavaScript (SpiderMonkey)	2025-02-09 21:13:07
5	Jimmy Gustafsson	0.16 s	JavaScript (SpiderMonkey)	2024-08-29 22:09:34

#	User	Runtime	Language	Date
1	Timothy Gaede	0.63 s	Julia	2024-04-19 08:27:28

#	User	Runtime	Language	Date
1	Jacob Huebner	0.32 s	Kotlin	2025-02-02 09:57:49

#	User	Runtime	Language	Date
1	Hidden user	0.43 s	OCaml	2025-01-06 03:19:08

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.69 s	Perl	2025-01-27 14:06:02

#	User	Runtime	Language	Date
1	Elvar Árni Bjarnason	0.21 s	Python 2	2020-03-29 14:00:51
2	Samúel Arnar Hafsteinsson	0.26 s	Python 2	2020-03-21 21:02:42

#	User	Runtime	Language	Date
1	Petr	0.10 s	Python 3	2024-11-02 23:06:58
2	Tan Yi Long	0.11 s	Python 3	2025-04-26 17:34:54
3	Dagur Máni Guðmundsson	0.11 s	Python 3	2025-06-07 12:02:25
4	Rasmus Hulthe	0.13 s	Python 3	2025-09-09 16:41:49
5	Russell	0.13 s	Python 3	2025-09-21 01:02:19
6	Adam G	0.13 s	Python 3	2025-09-30 15:08:26
7	Chew Chong Jin	0.14 s	Python 3	2024-09-07 04:47:27
8	João Manoel Feck	0.14 s	Python 3	2024-09-10 17:42:27
9	Cheng Xianda	0.14 s	Python 3	2024-09-16 10:48:02
10	Jack Snyder	0.14 s	Python 3	2025-03-22 18:54:25

#	User	Runtime	Language	Date
1	Miorel Palii	0.68 s	Ruby	2024-11-28 23:23:57
2	Thomas Feld	0.86 s	Ruby	2024-04-17 14:17:36

#	User	Runtime	Language	Date
1	Kalle Vigren	0.01 s	Rust	2024-05-25 17:29:08
2	Frank Endriss	0.01 s	Rust	2024-06-27 14:10:38
3	Vincent Lagerros	0.01 s	Rust	2024-08-17 18:25:41
4	Mikael Fiala-Lundström	0.01 s	Rust	2025-03-10 01:58:33
5	Þórhallur Tryggvason	0.02 s	Rust	2023-01-23 18:23:58
6	Erik Magnusson	0.02 s	Rust	2024-10-11 08:39:08
7	Bas Dirks	0.02 s	Rust	2025-01-12 11:58:28

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.01 s	Zig	2025-01-27 14:50:38
2	Arthur Dent	0.96 s	Zig	2024-05-08 13:02:21

#	User	Length	Language	Date
1	Óliver Máni	1089	C	2020-03-22 15:35:58
2	Bergur Snorrason	1216	C	2020-03-24 11:02:51
3	Mirel Cosulschi	2203	C	2024-06-24 22:25:25
4	Birger Lundin	2265	C	2024-12-23 10:25:23
5	Kasper Malmborg Rønne	2776	C	2024-05-18 15:17:56
6	Sami Al Chalati	2936	C	2024-08-01 16:00:39

#	User	Length	Language	Date
1	Bjarki Fannar Snorrason	1063	C#	2023-11-13 13:13:48
2	Umar Rasyid	3042	C#	2025-07-19 00:57:38
3	Kim Mwom	3049	C#	2024-09-04 23:20:42

#	User	Length	Language	Date
1	Azeez Daoud	333	C++	2025-01-03 22:52:29
2	Howard Cheng	566	C++	2025-01-11 19:37:26
3	Jason Liu	591	C++	2024-05-20 02:36:49
4	Ignacio Castellano Vega	603	C++	2024-05-23 05:47:42
5	Ernest Ng Zi Xuan	608	C++	2024-06-23 11:55:36
6	Ralf Merhof	629	C++	2024-09-23 14:58:12
7	Rafael Kristoforus Yanto	643	C++	2025-01-03 11:42:33
8	Armen Andreasyan	664	C++	2024-04-23 09:04:58
9	Vladimir Folunin	688	C++	2024-11-22 11:21:06
10	Jeroen Krijgsman	706	C++	2024-09-23 20:48:42

#	User	Length	Language	Date
1	Magnus Baasch Langkilde	1167	Erlang	2025-08-03 12:42:31

#	User	Length	Language	Date
1	Stefan Schmiedl	896	F#	2024-09-04 17:01:57
2	Gudjon Bjarki	1406	F#	2024-01-12 12:55:35

#	User	Length	Language	Date
1	Norbert Voelker	926	Go	2024-04-25 00:02:14
2	Hidden user	1740	Go	2021-10-22 18:13:23

#	User	Length	Language	Date
1	Jan Hrček	287	Haskell	2024-12-26 10:04:24
2	Hidden user	701	Haskell	2024-04-15 15:02:42
3	Steinar Simonnes	746	Haskell	2024-04-15 13:12:47
4	Brent Yorgey	826	Haskell	2024-04-20 11:51:02
5	Miguel Roldán Muñoz	852	Haskell	2024-06-03 00:01:06
6	Sebastian Banert	896	Haskell	2025-02-05 18:04:59
7	Adam Yaser Sweilem	1436	Haskell	2025-02-10 16:42:26
8	Ng Tek In	2092	Haskell	2024-12-02 02:51:02

#	User	Length	Language	Date
1	Einar Þór Ívarsson	794	Java	2020-09-14 16:21:07
2	Ernest Ng Zi Xuan	980	Java	2024-07-17 11:34:34
3	Tan Guan Zhong	1041	Java	2024-09-20 15:53:57
4	Lê Huy Châu	1083	Java	2024-09-19 17:59:06
5	Raymond Arrington	1227	Java	2024-06-30 04:07:20
6	Mohamed Faizal S/O Mohamed Jamaludeen	1249	Java	2024-09-16 09:29:23
7	Jørgen Nedregård	1254	Java	2024-11-12 00:00:34
8	Hidden user	1256	Java	2024-09-11 13:59:35
9	Dexter Leng Jin Hao	1265	Java	2024-09-09 09:50:21
10	Steven Halim	1281	Java	2024-06-17 04:20:56

#	User	Length	Language	Date
1	Hidden user	1214	JavaScript (Node.js)	2024-10-23 05:19:35
2	Róbert Kristian Freysson	3033	JavaScript (Node.js)	2023-01-01 18:35:37

#	User	Length	Language	Date
1	Jimmy Gustafsson	236	JavaScript (SpiderMonkey)	2024-08-29 22:09:34
2	Bjørn Chr. Soltvedt	290	JavaScript (SpiderMonkey)	2024-04-15 21:06:56
3	Evan Magill	516	JavaScript (SpiderMonkey)	2024-04-27 19:03:08
4	Christian Pilegaard Cederquist	993	JavaScript (SpiderMonkey)	2024-05-01 07:46:08
5	Jose Villegas	1064	JavaScript (SpiderMonkey)	2025-02-09 21:13:07

#	User	Length	Language	Date
1	Timothy Gaede	1173	Julia	2024-04-19 08:27:28

#	User	Length	Language	Date
1	Jacob Huebner	808	Kotlin	2025-02-02 09:57:49

#	User	Length	Language	Date
1	Hidden user	982	OCaml	2025-01-06 03:19:08

#	User	Length	Language	Date
1	Javier Gómez Díaz	480	Perl	2025-01-27 14:06:02

#	User	Length	Language	Date
1	Elvar Árni Bjarnason	570	Python 2	2020-03-29 14:00:51
2	Samúel Arnar Hafsteinsson	815	Python 2	2020-03-21 21:02:42

#	User	Length	Language	Date
1	Sander Oppen	173	Python 3	2024-04-15 14:51:43
2	Ahmed Chamseddine	192	Python 3	2024-09-23 13:43:18
3	David Aldenbro	195	Python 3	2025-08-25 22:29:30
4	Peter Stauder	200	Python 3	2024-06-04 17:20:17
5	Farzam Abrishami	209	Python 3	2024-05-09 23:48:18
6	Jason Clarke	239	Python 3	2024-04-15 18:36:44
7	Nicholas Russell Saerang	244	Python 3	2025-04-18 01:04:41
8	Yong Mao	277	Python 3	2024-04-17 01:39:24
9	Liam Scalzulli	327	Python 3	2024-10-10 06:32:19
10	Noah Hessen Bjerke	328	Python 3	2024-04-15 14:48:07

#	User	Length	Language	Date
1	Thomas Feld	133	Ruby	2024-04-17 14:17:36
2	Miorel Palii	304	Ruby	2024-11-28 23:23:57

#	User	Length	Language	Date
1	Bas Dirks	1534	Rust	2025-01-12 12:00:54
2	Þórhallur Tryggvason	1558	Rust	2023-01-23 18:23:58
3	Kalle Vigren	1851	Rust	2024-05-25 17:29:08
4	Mikael Fiala-Lundström	2491	Rust	2025-03-10 02:02:19
5	Frank Endriss	3061	Rust	2024-06-27 14:10:38
6	Erik Magnusson	4791	Rust	2024-10-11 08:39:08
7	Vincent Lagerros	5092	Rust	2024-08-17 18:36:21

#	User	Length	Language	Date
1	Javier Gómez Díaz	1022	Zig	2025-01-27 14:50:38
2	Arthur Dent	1689	Zig	2024-05-08 13:02:21

Solution running time distribution