Problem A
Blaðra — Problem Statistics

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Submissions	948
Accepted submissions	537
Submission ratio	56.65%
Authors	481
Full solves [?]	418
Full solve Ratio	86.90%

#	User	Score	Language	Date
1	Danny Robinson	100	Bash	2024-10-09 03:15:21

#	User	Score	Language	Date
1	Gudjon Bjarki	100	C	2024-02-20 10:06:54
2	Issa Issack	100	C	2024-05-24 20:21:49
3	Eyleifur Bjarkason	100	C	2024-08-13 19:32:41
4	Carson Echard	100	C	2024-10-25 18:46:09
5	Hidden user	100	C	2024-12-20 13:12:38
6	Tanner Dewit	100	C	2025-03-14 23:43:08
7	Allan Nouri	100	C	2025-03-15 11:42:03
8	HARITHA S R	100	C	2025-04-10 13:37:02
9	Fereshta Hasanzada	100	C	2025-06-03 20:47:11
10	Mohsina Binte Asad	100	C	2025-11-05 22:39:43

#	User	Score	Language	Date
1	Bjarki Fannar Snorrason	100	C#	2023-11-13 10:53:31
2	traxex	100	C#	2024-05-23 16:26:56
3	Emil bks	100	C#	2024-10-11 16:50:12
4	Hamdanil Rasyid	100	C#	2024-12-08 06:49:12
5	Michael Damsgaard	100	C#	2024-12-23 16:14:56
6	Umar Rasyid	100	C#	2025-02-27 05:55:13
7	Akib Ibn Zahid	100	C#	2025-11-05 11:11:16

#	User	Score	Language	Date
1	Anna Winters	100	Go	2019-12-02 20:49:44
2	Hidden user	100	Go	2021-10-21 14:30:16
3	Norbert Voelker	100	Go	2024-05-22 13:01:16
4	Ronas Jacob Coban Olsen	100	Go	2024-10-11 16:33:03
5	Jakub Mráz	100	Go	2024-10-11 17:49:02

#	User	Score	Language	Date
1	Hidden user	100	Haskell	2024-05-23 16:44:45
2	Brent Yorgey	100	Haskell	2024-05-24 14:52:29
3	Steinar Simonnes	100	Haskell	2024-05-25 14:37:42
4	Ng Tek In	100	Haskell	2024-08-14 20:39:05
5	Jan Hrček	100	Haskell	2024-12-15 11:13:05
6	Shinji Koshida	100	Haskell	2025-01-26 13:51:08

#	User	Score	Language	Date
1	Róbert Kristian Freysson	100	JavaScript (Node.js)	2022-12-27 17:21:36
2	Hidden user	100	JavaScript (Node.js)	2024-11-06 05:09:05
3	Nos iens experior	50	JavaScript (Node.js)	2019-03-23 11:43:00

#	User	Score	Language	Date
1	Bjørn Chr. Soltvedt	100	JavaScript (SpiderMonkey)	2024-05-22 02:35:53
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-05-24 08:41:31
3	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-07-21 15:17:55
4	Zach Tschetter	100	JavaScript (SpiderMonkey)	2025-02-05 22:54:33

#	User	Score	Language	Date
1	Timothy Gaede	100	Julia	2024-05-22 15:07:32
2	Danny Robinson	100	Julia	2024-10-09 03:00:28
3	Hidden user	100	Julia	2025-10-04 12:07:28

#	User	Score	Language	Date
1	Martijn Muijsers	100	Kotlin	2024-05-31 20:08:53
2	Emil Wihlander	100	Kotlin	2024-08-02 23:34:37

#	User	Score	Language	Date
1	Sebastian Banert	100	OCaml	2024-08-05 20:35:39
2	Hidden user	100	OCaml	2025-07-06 14:47:32

#	User	Score	Language	Date
1	Ingemar Ragnemalm	100	Pascal	2024-05-30 15:05:52

#	User	Score	Language	Date
1	Renate	100	PHP	2024-05-30 00:06:01

#	User	Score	Language	Date
1	Elvar Árni Bjarnason	100	Python 2	2019-03-23 18:50:23
2	Valdimar John Parks	100	Python 2	2019-03-24 22:12:15
3	Dagur Benjamínsson	100	Python 2	2022-11-02 22:09:30

#	User	Score	Language	Date
1	Sander Oppen	100	Ruby	2024-05-24 19:12:31
2	Frederik Petersen	100	Ruby	2024-07-30 15:38:50
3	Thomas Feld	100	Ruby	2024-08-09 13:07:49
4	Andreas Severin Hauch Trøstrup	100	Ruby	2024-10-11 16:44:24
5	Miorel Palii	100	Ruby	2024-11-25 00:30:25

#	User	Score	Language	Date
1	Frank Endriss	100	Rust	2024-06-02 16:19:44
2	Kalle Vigren	100	Rust	2024-06-15 15:08:04
3	Pankajkumar Patro	100	Rust	2024-08-17 23:05:26
4	Azeez Daoud	100	Rust	2024-09-07 17:22:23
5	Vincent Lagerros	100	Rust	2024-10-11 18:35:59
6	Isak Jägberg	100	Rust	2024-10-19 20:18:55
7	Bas Dirks	100	Rust	2025-01-08 17:55:29

#	User	Runtime	Language	Date
1	Danny Robinson	0.08 s	Bash	2024-10-09 03:15:21

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.00 s	C	2024-08-13 19:33:38
2	Gudjon Bjarki	0.02 s	C	2024-02-20 10:06:54
3	Issa Issack	0.02 s	C	2024-05-24 20:21:49
4	Carson Echard	0.02 s	C	2024-10-25 18:46:09
5	Hidden user	0.02 s	C	2024-12-20 13:12:38
6	Tanner Dewit	0.02 s	C	2025-03-14 23:43:08
7	Allan Nouri	0.02 s	C	2025-03-15 11:42:03
8	HARITHA S R	0.02 s	C	2025-04-10 13:37:02
9	Fereshta Hasanzada	0.02 s	C	2025-06-03 20:47:11
10	Mohsina Binte Asad	0.02 s	C	2025-11-05 22:39:43

#	User	Runtime	Language	Date
1	Bjarki Fannar Snorrason	0.07 s	C#	2023-11-13 10:53:31
2	traxex	0.07 s	C#	2024-05-23 16:26:56
3	Emil bks	0.07 s	C#	2024-10-11 16:50:12
4	Hamdanil Rasyid	0.07 s	C#	2024-12-08 06:49:12
5	Michael Damsgaard	0.09 s	C#	2024-12-23 16:14:56
6	Akib Ibn Zahid	0.09 s	C#	2025-11-05 11:11:16
7	Umar Rasyid	0.11 s	C#	2025-02-27 05:55:13

#	User	Runtime	Language	Date
1	Jonathan Hallström	0.00 s	C++	2024-05-28 15:04:24
2	Alexander Kravberg	0.00 s	C++	2024-09-18 01:53:09
3	Sigurjon Ingi	0.01 s	C++	2019-03-24 02:39:45
4	Brad	0.01 s	C++	2024-05-22 22:28:50
5	Atli Fannar Franklín	0.01 s	C++	2024-08-21 12:19:47
6	Trần Cảnh Nam	0.01 s	C++	2024-10-03 15:36:12
7	Benedikt Aron Sigurþórsson	0.02 s	C++	2019-03-23 11:12:21
8	Benedikt Vilji Magnússon	0.02 s	C++	2019-03-31 21:40:04
9	Bjarni Thor Karason	0.02 s	C++	2019-11-25 14:11:11
10	Arthur Harri Jaakko Antila	0.02 s	C++	2024-05-10 02:47:19

#	User	Runtime	Language	Date
1	Norbert Voelker	0.01 s	Go	2024-05-22 13:01:16
2	Anna Winters	0.02 s	Go	2019-12-02 20:49:44
3	Hidden user	0.02 s	Go	2021-10-21 14:30:16
4	Ronas Jacob Coban Olsen	0.03 s	Go	2024-10-11 16:33:03
5	Jakub Mráz	0.10 s	Go	2024-10-11 17:49:02

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.02 s	Haskell	2024-05-25 14:37:42
2	Jan Hrček	0.03 s	Haskell	2024-12-15 11:13:05
3	Brent Yorgey	0.15 s	Haskell	2024-05-24 14:52:29
4	Ng Tek In	0.18 s	Haskell	2024-08-14 20:39:05
5	Shinji Koshida	0.43 s	Haskell	2025-01-26 13:51:08
6	Hidden user	0.45 s	Haskell	2024-05-23 16:44:45

#	User	Runtime	Language	Date
1	Lee Heng Sheng	0.05 s	Java	2025-11-22 08:21:43
2	Sven Rönnbäck	0.06 s	Java	2024-05-24 19:05:43
3	Guangyi Zhou	0.06 s	Java	2025-02-14 18:32:46
4	Issa Issack	0.24 s	Java	2024-05-24 01:09:57
5	Unnar Freyr Erlendsson	0.25 s	Java	2019-03-23 11:36:11
6	Ku Brian	0.25 s	Java	2024-06-23 10:14:51
7	Ranjith M	0.26 s	Java	2025-11-20 21:19:26
8	Stela Palii	0.29 s	Java	2024-12-01 08:10:47
9	Ben Cobb	0.30 s	Java	2024-09-21 02:42:46
10	Mark van Helvoort	0.30 s	Java	2024-09-24 12:40:36

#	User	Runtime	Language	Date
1	Hidden user	0.20 s	JavaScript (Node.js)	2024-11-06 05:09:05
2	Róbert Kristian Freysson	0.22 s	JavaScript (Node.js)	2022-12-27 17:21:36

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.07 s	JavaScript (SpiderMonkey)	2024-05-24 08:41:31
2	Jimmy Gustafsson	0.08 s	JavaScript (SpiderMonkey)	2024-07-21 15:17:55
3	Zach Tschetter	0.12 s	JavaScript (SpiderMonkey)	2025-02-05 22:54:33
4	Bjørn Chr. Soltvedt	0.16 s	JavaScript (SpiderMonkey)	2024-05-22 02:35:53

#	User	Runtime	Language	Date
1	Timothy Gaede	0.62 s	Julia	2024-05-22 15:07:32
2	Hidden user	0.68 s	Julia	2025-10-04 12:07:28
3	Danny Robinson	0.73 s	Julia	2024-10-09 03:00:28

#	User	Runtime	Language	Date
1	Martijn Muijsers	0.41 s	Kotlin	2024-05-31 20:08:53
2	Emil Wihlander	0.53 s	Kotlin	2024-08-02 23:34:37

#	User	Runtime	Language	Date
1	Sebastian Banert	0.02 s	OCaml	2024-08-05 20:35:39
2	Hidden user	0.04 s	OCaml	2025-07-06 14:47:32

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.02 s	Pascal	2024-05-30 15:05:52

#	User	Runtime	Language	Date
1	Renate	0.04 s	PHP	2024-05-30 00:06:01

#	User	Runtime	Language	Date
1	Elvar Árni Bjarnason	0.11 s	Python 2	2019-03-23 18:50:23
2	Dagur Benjamínsson	0.11 s	Python 2	2022-11-02 22:09:30
3	Valdimar John Parks	0.12 s	Python 2	2019-03-25 01:38:46

#	User	Runtime	Language	Date
1	Petr	0.05 s	Python 3	2024-10-10 02:01:35
2	Dominic Berzin Chua Way Gin	0.06 s	Python 3	2025-04-16 16:25:57
3	Mohammad Imran	0.06 s	Python 3	2025-11-02 11:33:14
4	Syed Wajahat Mashkoor Mashkoor	0.06 s	Python 3	2025-11-05 20:34:41
5	Kadriye Yildiz	0.07 s	Python 3	2024-08-29 20:37:50
6	Luis Enrique Cortijo Gonzales	0.07 s	Python 3	2024-09-28 00:36:29
7	Rebecca Jackson	0.07 s	Python 3	2024-12-28 00:24:56
8	Aditi Kulkarni	0.07 s	Python 3	2025-07-23 12:21:11
9	Ingvar Óli Ögmundsson	0.08 s	Python 3	2020-04-15 13:28:03
10	Adrian Borup	0.08 s	Python 3	2024-10-11 16:33:52

#	User	Runtime	Language	Date
1	Miorel Palii	0.12 s	Ruby	2024-11-25 00:30:25
2	Frederik Petersen	0.13 s	Ruby	2024-07-30 15:43:51
3	Thomas Feld	0.14 s	Ruby	2024-08-09 13:07:49
4	Sander Oppen	0.15 s	Ruby	2024-05-24 19:12:31
5	Andreas Severin Hauch Trøstrup	0.18 s	Ruby	2024-10-11 16:44:24

#	User	Runtime	Language	Date
1	Frank Endriss	0.00 s	Rust	2024-06-02 16:19:44
2	Vincent Lagerros	0.00 s	Rust	2024-10-11 18:43:49
3	Kalle Vigren	0.01 s	Rust	2024-06-15 15:08:04
4	Azeez Daoud	0.01 s	Rust	2024-09-07 17:22:23
5	Isak Jägberg	0.01 s	Rust	2024-10-19 20:18:55
6	Bas Dirks	0.01 s	Rust	2025-01-08 17:55:29
7	Pankajkumar Patro	0.02 s	Rust	2024-08-17 23:05:26

#	User	Length	Language	Date
1	Danny Robinson	73	Bash	2024-10-09 03:15:21

#	User	Length	Language	Date
1	Gudjon Bjarki	346	C	2024-02-20 10:06:54
2	Allan Nouri	377	C	2025-03-15 11:42:03
3	Tanner Dewit	404	C	2025-03-14 23:43:08
4	Mohsina Binte Asad	419	C	2025-11-05 22:39:43
5	Issa Issack	494	C	2024-05-24 20:21:49
6	HARITHA S R	495	C	2025-04-10 13:37:02
7	Eyleifur Bjarkason	733	C	2024-08-13 19:33:38
8	Fereshta Hasanzada	959	C	2025-06-03 20:47:11
9	Carson Echard	1056	C	2024-10-25 18:46:09
10	Hidden user	10431	C	2024-12-20 13:12:38

#	User	Length	Language	Date
1	traxex	308	C#	2024-05-23 16:26:56
2	Bjarki Fannar Snorrason	394	C#	2023-11-13 10:53:31
3	Michael Damsgaard	577	C#	2024-12-23 16:14:56
4	Hamdanil Rasyid	591	C#	2024-12-08 06:49:12
5	Akib Ibn Zahid	656	C#	2025-11-05 11:11:16
6	Umar Rasyid	854	C#	2025-02-27 05:55:13
7	Emil bks	1013	C#	2024-10-11 16:50:12

#	User	Length	Language	Date
1	Grae Yeandle	232	C++	2024-05-31 12:40:58
2	Sander Oppen	259	C++	2024-05-24 19:18:56
3	I Lucian	275	C++	2025-11-09 11:04:27
4	Alexander Bjartur Guðbjartsson	279	C++	2025-05-06 20:49:51
5	Armen Andreasyan	283	C++	2024-05-24 19:22:16
6	Jesús Pacheco Alonso	286	C++	2024-12-03 14:18:25
7	Frans Meulenbroeks	291	C++	2024-09-21 22:45:24
8	Titus Chew	294	C++	2025-02-06 10:37:23
9	Mikael K Eriksson	301	C++	2024-06-12 18:26:39
10	Kjartan Óli Ágústsson	309	C++	2020-01-25 21:09:13

#	User	Length	Language	Date
1	Norbert Voelker	557	Go	2024-05-22 13:01:16
2	Anna Winters	682	Go	2019-12-02 20:49:44
3	Ronas Jacob Coban Olsen	688	Go	2024-10-11 16:33:03
4	Jakub Mráz	703	Go	2024-10-11 17:49:02
5	Hidden user	1312	Go	2021-10-21 14:30:16

#	User	Length	Language	Date
1	Jan Hrček	212	Haskell	2024-12-15 11:13:05
2	Shinji Koshida	380	Haskell	2025-01-26 13:51:08
3	Hidden user	522	Haskell	2024-05-23 16:44:45
4	Steinar Simonnes	915	Haskell	2024-05-25 14:37:42
5	Ng Tek In	1124	Haskell	2024-08-14 20:39:05
6	Brent Yorgey	8846	Haskell	2024-05-24 14:52:29

#	User	Length	Language	Date
1	Alexander Cairns	434	Java	2019-10-04 23:16:51
2	Einar Þór Ívarsson	492	Java	2020-02-03 11:58:00
3	Zhang Junhao	538	Java	2025-10-11 10:19:04
4	Hunter Mullen	553	Java	2025-02-21 07:41:33
5	Hidden user	556	Java	2024-10-11 17:24:14
6	Thomas Anung Basuki	586	Java	2025-12-14 02:58:19
7	Jon Bernstorff Lehmann	596	Java	2025-01-25 17:59:35
8	Zoe Brentzel	598	Java	2024-06-20 15:54:16
9	Martha E.	616	Java	2024-11-22 07:01:25
10	Harith Danish Mohd Hafizdi	642	Java	2025-10-06 16:29:35

#	User	Length	Language	Date
1	Hidden user	674	JavaScript (Node.js)	2024-11-06 05:09:05
2	Róbert Kristian Freysson	852	JavaScript (Node.js)	2022-12-27 17:21:36

#	User	Length	Language	Date
1	Jimmy Gustafsson	113	JavaScript (SpiderMonkey)	2024-07-21 15:17:55
2	Bjørn Chr. Soltvedt	167	JavaScript (SpiderMonkey)	2024-05-22 02:37:36
3	Zach Tschetter	187	JavaScript (SpiderMonkey)	2025-02-14 22:50:16
4	Christian Pilegaard Cederquist	240	JavaScript (SpiderMonkey)	2024-05-24 08:41:31

#	User	Length	Language	Date
1	Danny Robinson	101	Julia	2024-10-09 03:00:28
2	Hidden user	105	Julia	2025-10-04 12:10:47
3	Timothy Gaede	297	Julia	2024-05-22 15:07:32

#	User	Length	Language	Date
1	Emil Wihlander	283	Kotlin	2024-08-02 23:34:37
2	Martijn Muijsers	539	Kotlin	2024-05-31 20:08:53

#	User	Length	Language	Date
1	Sebastian Banert	455	OCaml	2024-08-05 20:35:39
2	Hidden user	667	OCaml	2025-07-06 14:47:32

#	User	Length	Language	Date
1	Ingemar Ragnemalm	352	Pascal	2024-05-30 15:05:52

#	User	Length	Language	Date
1	Renate	202	PHP	2024-05-30 00:16:33

#	User	Length	Language	Date
1	Dagur Benjamínsson	158	Python 2	2022-11-02 22:09:30
2	Valdimar John Parks	243	Python 2	2019-03-24 22:12:15
3	Elvar Árni Bjarnason	305	Python 2	2019-03-23 18:50:23

#	User	Length	Language	Date
1	Sander Oppen	96	Python 3	2024-05-24 19:05:42
2	Farzam Abrishami	99	Python 3	2025-04-26 16:40:07
3	John Hershey	100	Python 3	2025-02-21 20:56:30
4	Nicholas Russell Saerang	103	Python 3	2024-05-22 06:18:55
5	Ahmed Chamseddine	106	Python 3	2024-07-19 10:56:54
6	Dirk Burgers	106	Python 3	2024-09-22 17:14:51
7	Timothy Baeckelant	107	Python 3	2024-07-06 13:25:38
8	Yong Mao	113	Python 3	2024-06-08 05:33:12
9	Simon Baeckelant	115	Python 3	2024-09-08 16:20:53
10	Peter Stauder	116	Python 3	2024-05-23 19:26:19

#	User	Length	Language	Date
1	Thomas Feld	54	Ruby	2024-08-09 13:07:49
2	Frederik Petersen	84	Ruby	2024-07-30 15:43:51
3	Sander Oppen	95	Ruby	2024-05-24 19:12:31
4	Miorel Palii	116	Ruby	2024-11-25 00:30:25
5	Andreas Severin Hauch Trøstrup	150	Ruby	2024-10-11 16:44:45

#	User	Length	Language	Date
1	Vincent Lagerros	267	Rust	2024-10-11 18:36:34
2	Azeez Daoud	276	Rust	2024-09-07 17:25:33
3	Bas Dirks	478	Rust	2025-01-08 17:55:29
4	Isak Jägberg	710	Rust	2024-10-19 20:18:55
5	Frank Endriss	800	Rust	2024-06-02 16:19:44
6	Kalle Vigren	827	Rust	2024-06-15 15:08:04
7	Pankajkumar Patro	847	Rust	2024-08-17 23:05:26

Solution running time distribution