Problem A
Einfalt Dæmi! — Problem Statistics

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Submissions	2154
Accepted submissions	1604
Submission ratio	74.47%
Authors	499
Full solves [?]	368
Full solve Ratio	73.75%

#	User	Score	Language	Date
1	Chenzhang Hu	100	Bash	2024-11-26 11:30:06
2	Mattia Marziali	10	Bash	2025-05-08 12:30:28
3	Elvar Árni Bjarnason	10	Bash	2025-07-05 21:11:42
4	Hidden user	10	Bash	2025-07-09 20:00:00
5	Javier Gómez Díaz	10	Bash	2025-07-20 19:42:00

#	User	Score	Language	Date
1	Óliver Máni	100	C	2020-02-18 10:50:41
2	Dagur Benjamínsson	100	C	2021-03-05 00:04:14
3	Sven Rönnbäck	100	C	2024-11-27 17:40:31
4	Illugi Breki Finnsson	60	C	2019-01-23 18:29:24
5	Sami Al Chalati	60	C	2024-12-19 15:45:41
6	Birger Lundin	60	C	2024-12-23 10:51:57
7	Jonatan Altebro	60	C	2025-04-22 20:20:22
8	Ioannes Dei Magmanlac	60	C	2026-01-27 16:31:06
9	Gudjon Bjarki	10	C	2024-02-15 01:35:10
10	Karl-Johan Holterberg	10	C	2024-11-26 00:14:43

#	User	Score	Language	Date
1	Ólafur Andri	100	C#	2018-03-08 00:09:32
2	Jóel Snær Garcia	100	C#	2018-03-16 12:31:40
3	Carvor	100	C#	2025-01-19 10:09:27
4	Tobias Lindskog	100	C#	2025-03-24 19:33:48
5	Ghaith Abou Dan	100	C#	2025-05-17 22:53:11
6	Umar Rasyid	100	C#	2025-05-23 21:30:10
7	Hidden user	100	C#	2025-11-27 18:47:23
8	Gunnar Dofri Viðarsson	60	C#	2018-03-12 21:47:02
9	Mats Hägerlind	10	C#	2025-02-13 19:25:28
10	Johan Nilsson	10	C#	2025-07-10 11:51:07

#	User	Score	Language	Date
1	Kjartan Óli Ágústsson	100	Common Lisp	2021-03-11 11:23:45
2	Zeke Stephens	100	Common Lisp	2025-11-25 02:52:31

#	User	Score	Language	Date
1	Javier Gómez Díaz	100	Crystal	2025-07-20 20:00:19

#	User	Score	Language	Date
1	Gudjon Bjarki	10	F#	2024-01-13 02:21:00
2	Søren Gyldenlev	10	F#	2025-09-16 15:16:54

#	User	Score	Language	Date
1	Hidden user	100	Go	2021-10-23 21:23:05
2	Norbert Voelker	100	Go	2024-12-07 17:39:21

#	User	Score	Language	Date
1	Gudjon Bjarki	100	Haskell	2024-02-15 01:50:47
2	Steinar Simonnes	100	Haskell	2024-11-27 09:12:04
3	Brent Yorgey	100	Haskell	2024-11-28 23:08:01
4	Ng Tek In	100	Haskell	2024-12-02 14:19:27
5	Hidden user	100	Haskell	2024-12-18 01:08:54
6	Ata Kırcadağ	100	Haskell	2025-05-08 13:06:01
7	Kjartan Óli Ágústsson	60	Haskell	2023-11-16 20:17:36
8	Bravery Aung	10	Haskell	2025-07-20 22:21:00

#	User	Score	Language	Date
1	Róbert Kristian Freysson	100	JavaScript (Node.js)	2023-07-19 17:30:42
2	Hjorvar Ingi Haraldsson	60	JavaScript (Node.js)	2018-10-28 11:02:36
3	Dagur Benjamínsson	60	JavaScript (Node.js)	2019-01-30 11:56:44
4	Samúel Arnar Hafsteinsson	60	JavaScript (Node.js)	2019-01-30 13:30:30
5	Kjartan Óli Ágústsson	60	JavaScript (Node.js)	2019-01-30 13:31:01
6	Elvar Árni Sturluson	60	JavaScript (Node.js)	2019-02-01 00:20:44
7	Gunnar Helgi Jónsson	60	JavaScript (Node.js)	2019-02-08 11:47:22
8	Oliver Züllig	10	JavaScript (Node.js)	2025-10-23 22:28:34

#	User	Score	Language	Date
1	Friðrik Njálsson	100	JavaScript (SpiderMonkey)	2017-04-06 19:07:17
2	Aðalsteinn Leifsson	100	JavaScript (SpiderMonkey)	2018-03-11 09:15:36
3	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-11-26 00:46:55
4	Zach Tschetter	100	JavaScript (SpiderMonkey)	2025-01-17 15:51:16
5	James Schreiber	100	JavaScript (SpiderMonkey)	2025-01-22 20:33:51
6	Quoc Anh Khoa Nguyen	100	JavaScript (SpiderMonkey)	2025-01-22 20:34:27
7	Jack King	100	JavaScript (SpiderMonkey)	2025-01-24 00:49:14
8	Arnar Bjarni Arnarson	60	JavaScript (SpiderMonkey)	2018-03-16 23:39:58

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2025-03-21 20:07:13

#	User	Score	Language	Date
1	Adam Rankin	100	Kotlin	2026-01-12 04:35:20

#	User	Score	Language	Date
1	Zeheng Li	60	Lua	2024-11-26 04:15:13
2	Theodór Leví Halldórsson	10	Lua	2025-09-11 15:50:57

#	User	Score	Language	Date
1	Gudjon Bjarki	10	Perl	2024-02-15 01:43:00

#	User	Score	Language	Date
1	Renate	60	PHP	2026-01-20 23:28:49

#	User	Score	Language	Date
1	Andriy Zyevakov	100	Prolog	2025-11-05 12:17:21

#	User	Score	Language	Date
1	Sander Oppen	100	Ruby	2024-11-26 14:57:22
2	Miorel Palii	100	Ruby	2024-12-02 05:31:27
3	Thomas Feld	100	Ruby	2025-02-06 13:26:24
4	Javier Gómez Díaz	100	Ruby	2025-07-20 19:47:14
5	Chenzhang Hu	100	Ruby	2025-09-22 14:19:18
6	Matzuka	100	Ruby	2025-10-24 14:54:12
7	Rafferty Myles	100	Ruby	2026-03-08 02:19:21
8	Noah Hessen Bjerke	60	Ruby	2024-12-27 02:22:40

#	User	Score	Language	Date
1	Vincent Lagerros	100	Rust	2024-11-26 18:11:28
2	David Rasch	100	Rust	2025-01-16 15:49:48
3	Hidden user	100	Rust	2025-06-02 13:28:16
4	papandy	60	Rust	2025-01-09 18:44:28
5	Matthías Madsen Hauksson	60	Rust	2026-02-27 18:16:27
6	Bas Dirks	10	Rust	2025-01-18 14:33:03
7	Hörður Pálsson	10	Rust	2025-03-03 19:52:38
8	helene	10	Rust	2026-02-01 21:53:14

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.07 s	Bash	2025-09-13 17:30:41

#	User	Runtime	Language	Date
1	Óliver Máni	0.00 s	C	2020-02-18 10:50:41
2	Dagur Benjamínsson	0.00 s	C	2021-03-05 00:04:14
3	Sven Rönnbäck	0.00 s	C	2024-11-27 17:40:31

#	User	Runtime	Language	Date
1	Carvor	0.04 s	C#	2025-01-19 10:09:27
2	Ghaith Abou Dan	0.04 s	C#	2025-05-17 22:53:11
3	Umar Rasyid	0.04 s	C#	2025-05-23 21:30:10
4	Hidden user	0.04 s	C#	2025-11-27 18:47:23
5	Ólafur Andri	0.05 s	C#	2018-03-08 00:09:32
6	Jóel Snær Garcia	0.05 s	C#	2018-03-16 12:31:40
7	Tobias Lindskog	0.05 s	C#	2025-03-24 19:33:48

#	User	Runtime	Language	Date
1	Zeke Stephens	0.01 s	Common Lisp	2025-11-25 02:52:31
2	Kjartan Óli Ágústsson	0.04 s	Common Lisp	2021-03-11 11:23:45

#	User	Runtime	Language	Date
1	Javier Gómez Díaz	0.00 s	Crystal	2025-07-20 20:00:19

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Go	2021-10-23 21:23:05
2	Norbert Voelker	0.00 s	Go	2024-12-07 17:39:21

#	User	Runtime	Language	Date
1	Gudjon Bjarki	0.00 s	Haskell	2024-02-15 01:50:47
2	Steinar Simonnes	0.00 s	Haskell	2024-11-27 09:12:04
3	Brent Yorgey	0.00 s	Haskell	2024-11-28 23:08:01
4	Ng Tek In	0.00 s	Haskell	2024-12-02 14:19:27
5	Hidden user	0.00 s	Haskell	2024-12-18 01:08:54
6	Ata Kırcadağ	0.00 s	Haskell	2025-05-08 13:06:01

#	User	Runtime	Language	Date
1	Julius Griebel	0.04 s	Java	2024-12-06 12:24:19
2	Stela Palii	0.04 s	Java	2024-12-09 05:43:27
3	Ranjith M	0.04 s	Java	2024-12-24 05:34:29
4	Guangyi Zhou	0.04 s	Java	2024-12-27 13:16:52
5	Qrsbf	0.08 s	Java	2025-04-09 14:21:20
6	Ymir Arnarson	0.08 s	Java	2025-10-25 00:57:13
7	Simon Axelsson	0.08 s	Java	2025-11-13 13:09:10
8	Gísli Freyr Sæmundsson	0.09 s	Java	2017-10-06 01:21:21
9	Kjartan Óli Ágústsson	0.09 s	Java	2019-05-06 00:03:22
10	Einar Þór Ívarsson	0.09 s	Java	2021-04-30 20:44:23

#	User	Runtime	Language	Date
1	Róbert Kristian Freysson	0.05 s	JavaScript (Node.js)	2023-07-19 17:30:42

#	User	Runtime	Language	Date
1	Friðrik Njálsson	0.02 s	JavaScript (SpiderMonkey)	2017-04-06 19:07:17
2	Aðalsteinn Leifsson	0.02 s	JavaScript (SpiderMonkey)	2018-03-11 09:15:36
3	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2024-11-26 00:47:56
4	Zach Tschetter	0.02 s	JavaScript (SpiderMonkey)	2025-01-17 15:51:16
5	James Schreiber	0.02 s	JavaScript (SpiderMonkey)	2025-01-22 20:33:51
6	Quoc Anh Khoa Nguyen	0.02 s	JavaScript (SpiderMonkey)	2025-01-22 20:34:27
7	Jack King	0.02 s	JavaScript (SpiderMonkey)	2025-01-24 00:49:14

#	User	Runtime	Language	Date
1	Timothy Gaede	0.36 s	Julia	2025-03-21 20:07:13

#	User	Runtime	Language	Date
1	Adam Rankin	0.22 s	Kotlin	2026-01-12 04:35:20

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2025-11-05 12:17:21

#	User	Runtime	Language	Date
1	Guðni Natan Gunnarsson	0.07 s	Python 2	2017-03-21 09:14:18
2	Kristmundur Agust	0.07 s	Python 2	2017-10-01 00:37:27
3	주안석	0.07 s	Python 2	2017-11-21 03:08:18
4	Gunnsteinn Þór Ólason	0.07 s	Python 2	2025-11-18 11:31:22
5	Theodór Leví Halldórsson	0.07 s	Python 2	2026-01-29 12:47:29
6	Birkir Ingi Jónsson	0.07 s	Python 2	2026-02-25 15:57:22
7	Hannes Kristján Hannesson	0.08 s	Python 2	2017-03-19 22:42:43
8	Sigurður Jens Albertsson	0.08 s	Python 2	2018-01-11 17:59:46
9	Mikael Máni Jónsson	0.08 s	Python 2	2018-03-16 12:50:01
10	Dagur Benjamínsson	0.08 s	Python 2	2019-01-18 12:09:44

#	User	Runtime	Language	Date
1	Bjartur Sigurjonsson	0.04 s	Python 3	2024-10-03 14:00:57
2	Dagur Smári Sigvaldason	0.04 s	Python 3	2024-10-22 20:01:26
3	Rúnar Vestmann	0.04 s	Python 3	2024-10-22 20:07:36
4	Petr	0.04 s	Python 3	2024-11-25 23:40:22
5	Zeheng Li	0.04 s	Python 3	2024-11-26 04:14:13
6	Tùng Hoàng Lâm	0.04 s	Python 3	2024-11-26 09:11:35
7	Atli Fannar Franklín	0.04 s	Python 3	2024-11-26 12:52:04
8	Sander Oppen	0.04 s	Python 3	2024-11-26 14:45:51
9	Ole Vik Lysne	0.04 s	Python 3	2024-11-26 15:13:59
10	Simen Sørensen	0.04 s	Python 3	2024-11-26 15:17:28

#	User	Runtime	Language	Date
1	Sander Oppen	0.06 s	Ruby	2024-11-26 14:57:22
2	Miorel Palii	0.06 s	Ruby	2024-12-02 05:32:00
3	Thomas Feld	0.06 s	Ruby	2025-02-06 13:27:35
4	Matzuka	0.06 s	Ruby	2025-10-24 14:54:12
5	Rafferty Myles	0.06 s	Ruby	2026-03-08 02:23:33
6	Javier Gómez Díaz	0.07 s	Ruby	2025-07-20 19:47:14
7	Chenzhang Hu	0.12 s	Ruby	2025-09-22 14:19:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-11-26 18:11:28
2	David Rasch	0.00 s	Rust	2025-01-16 15:49:48
3	Hidden user	0.00 s	Rust	2025-06-02 13:28:16

#	User	Length	Language	Date
1	Chenzhang Hu	34	Bash	2025-09-13 17:30:41

#	User	Length	Language	Date
1	Sven Rönnbäck	1191	C	2024-11-27 17:40:31
2	Dagur Benjamínsson	7609	C	2021-03-05 00:04:14
3	Óliver Máni	7830	C	2020-02-18 10:50:41

#	User	Length	Language	Date
1	Hidden user	234	C#	2025-11-27 18:47:23
2	Carvor	285	C#	2025-01-19 10:09:27
3	Ghaith Abou Dan	350	C#	2025-05-17 22:53:11
4	Umar Rasyid	447	C#	2025-05-23 21:30:10
5	Tobias Lindskog	540	C#	2025-03-24 19:33:48
6	Ólafur Andri	593	C#	2018-03-08 00:09:32
7	Jóel Snær Garcia	614	C#	2018-03-16 12:31:40

#	User	Length	Language	Date
1	Pascal Zeihen	481	C++	2025-06-16 21:04:53
2	Titus Chew	646	C++	2025-02-07 05:47:48
3	Fan Wenzhen	695	C++	2025-12-15 09:16:50
4	vagabundus	704	C++	2025-03-13 02:40:22
5	Einar Þór Sigurðsson	739	C++	2025-02-23 05:20:26
6	Þröstur Almar Þrastarson	795	C++	2021-12-03 19:09:41
7	William L Thomson Jr	815	C++	2025-03-31 23:15:43
8	Ásþór Björnsson	897	C++	2019-02-27 19:04:56
9	Sophie Zeihen	1035	C++	2025-08-12 20:55:23
10	Alexander Bjartur Guðbjartsson	1262	C++	2025-05-18 02:44:48

#	User	Length	Language	Date
1	Kjartan Óli Ágústsson	86	Common Lisp	2021-03-11 11:23:45
2	Zeke Stephens	324	Common Lisp	2025-11-25 02:52:31

#	User	Length	Language	Date
1	Javier Gómez Díaz	79	Crystal	2025-07-20 20:00:19

#	User	Length	Language	Date
1	Norbert Voelker	271	Go	2024-12-07 17:39:21
2	Hidden user	1276	Go	2021-10-23 21:23:05

#	User	Length	Language	Date
1	Gudjon Bjarki	40	Haskell	2024-02-15 01:53:26
2	Hidden user	85	Haskell	2024-12-18 01:08:54
3	Steinar Simonnes	165	Haskell	2024-11-27 09:12:04
4	Brent Yorgey	213	Haskell	2024-11-28 23:08:01
5	Ata Kırcadağ	232	Haskell	2025-05-08 13:06:01
6	Ng Tek In	1720	Haskell	2024-12-02 14:19:27

#	User	Length	Language	Date
1	Gísli Freyr Sæmundsson	366	Java	2017-10-06 01:21:21
2	Ymir Arnarson	375	Java	2025-10-25 00:57:13
3	Kjartan Óli Ágústsson	379	Java	2019-05-06 00:03:22
4	Simon Axelsson	437	Java	2025-11-13 13:05:41
5	Ketill Guðmundsson	465	Java	2017-03-18 16:57:11
6	Qrsbf	513	Java	2025-04-09 14:21:20
7	Guangyi Zhou	540	Java	2024-12-27 13:16:52
8	Omar Lukman Semou	570	Java	2025-03-10 20:48:16
9	Stela Palii	579	Java	2024-12-09 05:43:27
10	Luke Tan	652	Java	2025-08-16 04:27:02

#	User	Length	Language	Date
1	Róbert Kristian Freysson	296	JavaScript (Node.js)	2023-07-19 17:30:42

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	56	JavaScript (SpiderMonkey)	2024-11-26 00:47:56
2	Zach Tschetter	120	JavaScript (SpiderMonkey)	2025-01-17 15:51:16
3	Quoc Anh Khoa Nguyen	130	JavaScript (SpiderMonkey)	2025-01-22 20:34:27
4	James Schreiber	242	JavaScript (SpiderMonkey)	2025-01-22 20:33:51
5	Jack King	280	JavaScript (SpiderMonkey)	2025-01-24 00:49:14
6	Aðalsteinn Leifsson	665	JavaScript (SpiderMonkey)	2018-03-11 09:15:36
7	Friðrik Njálsson	7649	JavaScript (SpiderMonkey)	2017-04-06 19:07:17

#	User	Length	Language	Date
1	Timothy Gaede	103	Julia	2025-03-21 20:07:13

#	User	Length	Language	Date
1	Adam Rankin	554	Kotlin	2026-01-12 04:35:20

#	User	Length	Language	Date
1	Andriy Zyevakov	4191	Prolog	2025-11-05 12:17:21

#	User	Length	Language	Date
1	Gunnsteinn Þór Ólason	41	Python 2	2025-11-18 11:31:22
2	Birkir Ingi Jónsson	41	Python 2	2026-02-25 16:01:09
3	Theodór Leví Halldórsson	51	Python 2	2026-01-29 12:47:29
4	Elvar Árni Sturluson	52	Python 2	2019-01-18 12:32:28
5	Hannes Kristján Hannesson	58	Python 2	2017-03-19 22:42:43
6	Sigurður Jens Albertsson	64	Python 2	2018-01-11 17:59:46
7	주안석	70	Python 2	2017-11-21 03:08:18
8	Guðni Natan Gunnarsson	72	Python 2	2017-03-21 09:14:18
9	Mikael Máni Jónsson	77	Python 2	2018-03-16 12:50:01
10	Dagur Benjamínsson	88	Python 2	2019-01-18 12:09:44

#	User	Length	Language	Date
1	Rafferty Myles	43	Python 3	2026-03-07 07:38:58
2	Frans Meulenbroeks	45	Python 3	2024-11-27 16:24:02
3	Arnar Bjarni Arnarson	47	Python 3	2022-10-24 15:51:22
4	Stefán Darri Björnsson	47	Python 3	2022-12-27 04:30:52
5	Þorvaldur Daði Sigurðsson	47	Python 3	2023-02-27 11:54:19
6	Gunnsteinn Þór Ólason	47	Python 3	2024-03-03 00:15:40
7	Friðrik Valur Bjartsson	47	Python 3	2024-03-05 04:31:17
8	Petr	47	Python 3	2024-11-25 23:40:22
9	Ole Vik Lysne	47	Python 3	2024-11-26 15:18:26
10	Simen Sørensen	47	Python 3	2024-11-26 15:21:17

#	User	Length	Language	Date
1	Thomas Feld	28	Ruby	2025-02-06 15:49:28
2	Rafferty Myles	29	Ruby	2026-03-08 02:19:21
3	Sander Oppen	30	Ruby	2024-11-26 14:57:22
4	Miorel Palii	30	Ruby	2024-12-02 05:32:00
5	Matzuka	33	Ruby	2025-10-24 15:01:00
6	Javier Gómez Díaz	46	Ruby	2025-07-20 19:47:14
7	Chenzhang Hu	130	Ruby	2025-09-22 14:19:18

#	User	Length	Language	Date
1	David Rasch	7331	Rust	2025-01-16 15:49:48
2	Vincent Lagerros	7710	Rust	2024-11-26 18:11:28
3	Hidden user	10583	Rust	2025-06-02 13:28:16

Solution running time distribution