Problem A
Búðarkassi 1 — Problem Statistics

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Submissions	727
Accepted submissions	450
Submission ratio	61.90%
Authors	382
Full solves [?]	370
Full solve Ratio	96.86%

#	User	Score	Language	Date
1	Dagur Benjamínsson	100	C	2021-02-14 02:16:55

#	User	Score	Language	Date
1	Kjartan Óli Ágústsson	100	Common Lisp	2021-03-11 01:03:24

#	User	Score	Language	Date
1	Gudjon Bjarki	100	F#	2024-01-12 17:36:03

#	User	Score	Language	Date
1	Sigurður Baldvin Friðrksson	100	Go	2021-09-05 23:47:01
2	Hidden user	100	Go	2021-10-21 15:46:29

#	User	Score	Language	Date
1	Hidden user	100	Haskell	2016-03-18 16:15:51

#	User	Score	Language	Date
1	Mateusz Kolacz	100	JavaScript (SpiderMonkey)	2024-01-05 10:30:24

#	User	Score	Language	Date
1	Andri Thorhallsson	100	Kotlin	2024-10-22 19:49:59

#	User	Score	Language	Date
1	주안석	100	Pascal	2017-11-21 07:50:05

#	User	Score	Language	Date
1	Johannes Laxdal	100	PHP	2016-10-28 22:20:14
2	Arni Fannar Adalsteinsson	100	PHP	2017-02-24 15:06:47

#	User	Score	Language	Date
1	Jómundur Örn Eyjólfsson	100	Python 3 with NumPy	2023-01-09 09:37:31

#	User	Score	Language	Date
1	Theodór Leví Halldórsson	100	Rust	2025-09-11 18:07:45

#	User	Runtime	Language	Date
1	Dagur Benjamínsson	0.00 s	C	2021-02-14 02:16:55

#	User	Runtime	Language	Date
1	Ólafur Andri	0.02 s	C#	2017-03-10 12:42:29
2	Viktor Máni Mönster	0.02 s	C#	2017-03-31 22:45:44
3	Karl Jakobsson	0.02 s	C#	2018-03-13 18:59:28
4	Guðmundur Óli Halldórsson	0.02 s	C#	2019-03-07 17:09:31
5	Kristófer Haukur	0.03 s	C#	2016-03-08 19:15:53
6	Bjarki Fannar Snorrason	0.03 s	C#	2016-03-08 19:31:33
7	Kristofer Henry	0.03 s	C#	2016-03-15 18:23:18
8	Rolandas Mineika	0.03 s	C#	2016-03-16 10:43:02
9	Bergrós Gígja Þorsteinsdóttir	0.03 s	C#	2016-03-18 22:03:54
10	Alexander Guðmundsson	0.04 s	C#	2016-03-08 18:44:08

#	User	Runtime	Language	Date
1	Kjartan Óli Ágústsson	0.01 s	Common Lisp	2021-03-11 01:03:24

#	User	Runtime	Language	Date
1	Gudjon Bjarki	0.08 s	F#	2024-01-12 17:36:03

#	User	Runtime	Language	Date
1	Hidden user	0.07 s	Go	2021-10-21 15:46:29
2	Sigurður Baldvin Friðrksson	0.08 s	Go	2021-09-05 23:47:01

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Haskell	2016-03-18 16:15:51

#	User	Runtime	Language	Date
1	Andri Freyr	0.07 s	Java	2018-03-10 16:32:13
2	Kristinn Pétursson	0.09 s	Java	2018-03-13 11:19:47
3	Ólafur Steinar Ragnarsson	0.10 s	Java	2023-02-28 00:21:21
4	Guðbjörg Viðja	0.10 s	Java	2023-11-16 20:42:49
5	Sigurbjörg Erla	0.11 s	Java	2023-11-17 13:55:42
6	Alexander Jósep Blöndal	0.12 s	Java	2016-03-10 12:40:03
7	Sindri Magnusson	0.12 s	Java	2017-10-05 01:15:28
8	Gísli Freyr Sæmundsson	0.13 s	Java	2017-10-06 01:29:21
9	Harpa Gudrun Hreinsdottir	0.14 s	Java	2016-03-12 23:12:29
10	Stefanía Finnsdóttir	0.14 s	Java	2016-03-18 18:16:12

#	User	Runtime	Language	Date
1	Samúel Arnar Hafsteinsson	0.05 s	JavaScript (Node.js)	2019-01-28 15:23:51
2	lissakkonkur	0.05 s	JavaScript (Node.js)	2019-01-29 11:07:03
3	matelko konkur	0.05 s	JavaScript (Node.js)	2019-01-29 11:07:15
4	Jakob Vífill Valsson	0.05 s	JavaScript (Node.js)	2019-01-29 11:30:56
5	Kjartan Óli Ágústsson	0.05 s	JavaScript (Node.js)	2019-01-29 11:32:26
6	Erik Oddur Jónsson	0.05 s	JavaScript (Node.js)	2019-01-29 11:34:13
7	Elvar Árni Bjarnason	0.05 s	JavaScript (Node.js)	2019-01-29 11:42:18
8	Mikael Aron Óskarsson	0.05 s	JavaScript (Node.js)	2019-01-30 21:40:53
9	Gunnar Helgi Jónsson	0.05 s	JavaScript (Node.js)	2019-01-31 09:52:54
10	Dagur Benjamínsson	0.05 s	JavaScript (Node.js)	2019-01-31 09:57:05

#	User	Runtime	Language	Date
1	Mateusz Kolacz	0.02 s	JavaScript (SpiderMonkey)	2024-01-05 10:30:24

#	User	Runtime	Language	Date
1	Andri Thorhallsson	0.20 s	Kotlin	2024-10-22 19:49:59

#	User	Runtime	Language	Date
1	주안석	0.00 s	Pascal	2017-11-21 07:50:05

#	User	Runtime	Language	Date
1	Johannes Laxdal	0.01 s	PHP	2016-10-28 22:20:14
2	Arni Fannar Adalsteinsson	0.01 s	PHP	2017-02-24 15:06:47

#	User	Runtime	Language	Date
1	Guðni Natan Gunnarsson	0.03 s	Python 2	2017-02-28 12:10:48
2	extra-08	0.03 s	Python 2	2017-03-17 17:26:28
3	Sigurður Jens Albertsson	0.03 s	Python 2	2018-01-11 23:36:22
4	Dagur Benjamínsson	0.03 s	Python 2	2019-01-18 11:14:13
5	Kristjan Orri	0.03 s	Python 2	2019-03-07 17:08:30
6	Benedikt Aron Sigurþórsson	0.03 s	Python 2	2019-03-07 17:15:18
7	Bjarki Ágúst Guðmundsson	0.04 s	Python 2	2016-03-08 19:30:45
8	Garðar Ingvarsson	0.04 s	Python 2	2016-03-10 23:26:38
9	Ómar Högni Guðmarsson	0.05 s	Python 2	2016-03-08 19:28:57
10	Trilliboi	0.05 s	Python 2	2016-03-08 20:44:18

#	User	Runtime	Language	Date
1	Brynjar Ingimarsson	0.02 s	Python 3	2016-03-08 14:10:11
2	Bernhard Kartefla	0.02 s	Python 3	2016-03-08 16:26:50
3	Elvar Árni Sturluson	0.02 s	Python 3	2016-03-08 23:50:14
4	Eysteinn Kristinsson	0.02 s	Python 3	2016-03-13 23:34:55
5	Mikael Stefansson	0.02 s	Python 3	2016-03-15 09:57:43
6	Ólafur Barkarson	0.02 s	Python 3	2016-03-16 14:12:35
7	Gamithra Marga	0.02 s	Python 3	2016-03-21 14:42:09
8	Johan Sannemo	0.02 s	Python 3	2017-04-03 14:31:36
9	Gabríel Elí Jóhannsson	0.02 s	Python 3	2018-02-26 19:05:59
10	Alexander Mitch Sugiharto	0.02 s	Python 3	2018-03-07 10:47:30

#	User	Runtime	Language	Date
1	Jómundur Örn Eyjólfsson	0.05 s	Python 3 with NumPy	2023-01-09 09:37:31

#	User	Runtime	Language	Date
1	Theodór Leví Halldórsson	0.00 s	Rust	2025-09-11 18:07:45

#	User	Length	Language	Date
1	Dagur Benjamínsson	215	C	2021-02-14 02:16:55

#	User	Length	Language	Date
1	Pied Piper	255	C#	2016-03-18 18:48:56
2	Ólafur Andri	361	C#	2017-03-10 12:42:29
3	Guðmundur Óli Halldórsson	377	C#	2019-03-07 17:09:31
4	Rolandas Mineika	399	C#	2016-03-16 10:43:02
5	Viktor Máni Mönster	422	C#	2017-03-31 22:45:44
6	Hans Jón	440	C#	2016-03-15 14:50:05
7	Bjarki Fannar Snorrason	457	C#	2016-03-08 19:31:33
8	Modulus	470	C#	2016-03-18 19:46:08
9	Elías Snær Einarsson	509	C#	2016-03-15 15:25:01
10	Alexander Guðmundsson	526	C#	2016-03-08 18:44:08

#	User	Length	Language	Date
1	Alexander Bjartur Guðbjartsson	165	C++	2025-01-11 21:13:26
2	Eva Sóllilja Einarsdóttir	198	C++	2023-05-13 23:09:14
3	Arnar Bjarni Arnarson	201	C++	2016-03-08 20:14:38
4	Bjarki Hreinn Björnsson	206	C++	2022-01-25 14:39:19
5	Sigurjón Freyr Viktorsson	207	C++	2016-03-08 17:01:13
6	Friðrik Njálsson	209	C++	2017-02-09 21:20:26
7	Jón Bjarki	213	C++	2019-02-23 14:39:08
8	すうぇっりえるはこん	219	C++	2019-02-12 15:03:36
9	Ásþór Björnsson	221	C++	2019-02-01 14:18:06
10	Aron Orri Fannarsson	221	C++	2022-10-01 17:01:44

#	User	Length	Language	Date
1	Kjartan Óli Ágústsson	110	Common Lisp	2021-03-11 01:03:24

#	User	Length	Language	Date
1	Gudjon Bjarki	171	F#	2024-01-12 17:36:03

#	User	Length	Language	Date
1	Sigurður Baldvin Friðrksson	174	Go	2021-09-05 23:48:01
2	Hidden user	1196	Go	2021-10-21 15:46:29

#	User	Length	Language	Date
1	Hidden user	110	Haskell	2016-03-18 16:15:51

#	User	Length	Language	Date
1	Sindri Magnusson	248	Java	2017-10-05 01:15:28
2	Gísli Freyr Sæmundsson	280	Java	2017-10-06 01:29:21
3	Guðbjörg Viðja	281	Java	2023-11-16 20:42:49
4	Hjalti Þór Ísleifsson	297	Java	2016-03-18 20:51:51
5	Einar Þór Ívarsson	300	Java	2020-02-13 17:17:49
6	Kjartan Óli Ágústsson	301	Java	2019-05-04 00:56:10
7	Ólafur Steinar Ragnarsson	322	Java	2023-02-28 00:21:21
8	Ágúst Benóný Helgason	326	Java	2016-03-16 14:49:17
9	Arnór Jóhannsson	327	Java	2016-03-13 17:24:48
10	Hidden user	337	Java	2016-03-18 15:04:14

#	User	Length	Language	Date
1	Hidden user	374	JavaScript (Node.js)	2023-01-09 13:11:26
2	Dagur Benjamínsson	399	JavaScript (Node.js)	2019-01-31 09:57:05
3	Samúel Arnar Hafsteinsson	402	JavaScript (Node.js)	2019-01-28 15:23:51
4	Róbert Kristian Freysson	434	JavaScript (Node.js)	2022-11-25 23:51:36
5	Erik Oddur Jónsson	491	JavaScript (Node.js)	2019-01-29 11:34:13
6	Arnar Níelsson	499	JavaScript (Node.js)	2019-02-04 00:46:34
7	matelko konkur	501	JavaScript (Node.js)	2019-01-29 11:07:15
8	Elvar Árni Bjarnason	501	JavaScript (Node.js)	2019-01-29 11:42:18
9	Hermann Karl Aronsson	503	JavaScript (Node.js)	2019-02-05 11:42:55
10	Jakob Vífill Valsson	504	JavaScript (Node.js)	2019-01-29 11:30:56

#	User	Length	Language	Date
1	Mateusz Kolacz	103	JavaScript (SpiderMonkey)	2024-01-05 10:30:24

#	User	Length	Language	Date
1	Andri Thorhallsson	176	Kotlin	2024-10-22 19:49:59

#	User	Length	Language	Date
1	주안석	158	Pascal	2017-11-21 07:50:05

#	User	Length	Language	Date
1	Arni Fannar Adalsteinsson	160	PHP	2017-02-24 15:06:47
2	Johannes Laxdal	251	PHP	2016-10-28 22:20:14

#	User	Length	Language	Date
1	Sigurður Jens Albertsson	66	Python 2	2018-01-11 23:36:22
2	Trilliboi	82	Python 2	2016-03-08 20:44:18
3	Ómar Högni Guðmarsson	87	Python 2	2016-03-08 19:28:57
4	Alexander Sigmarsson	89	Python 2	2016-03-17 21:12:14
5	Sveinbjörn Stefán Einarsson	96	Python 2	2016-03-10 14:25:14
6	Garðar Ingvarsson	97	Python 2	2016-03-10 23:26:38
7	Guðni Natan Gunnarsson	99	Python 2	2017-02-28 12:10:48
8	Bjarki Ágúst Guðmundsson	107	Python 2	2016-03-08 19:30:45
9	Benedikt Aron Sigurþórsson	113	Python 2	2019-03-07 17:15:18
10	Dagur Benjamínsson	124	Python 2	2019-01-28 15:25:48

#	User	Length	Language	Date
1	Nicholas Russell Saerang	35	Python 3	2025-04-20 18:41:34
2	すうぇっりえるはこん	48	Python 3	2024-03-11 11:35:25
3	Gunnsteinn Þór Ólason	48	Python 3	2024-06-29 18:49:47
4	Óliver Máni	55	Python 3	2019-03-06 11:56:44
5	Jóel Arnar Sævarsson	55	Python 3	2024-04-25 20:15:32
6	Arnar Bjarni Arnarson	55	Python 3	2024-08-13 17:28:25
7	Merkúr Máni Hermannsson	62	Python 3	2024-03-14 03:06:33
8	Ísar Máni Gíslason	63	Python 3	2024-01-12 12:46:33
9	Álfgrímur Davíð	64	Python 3	2024-03-06 14:36:53
10	Pétur Óli Ágústsson	65	Python 3	2024-03-21 15:16:52

#	User	Length	Language	Date
1	Jómundur Örn Eyjólfsson	126	Python 3 with NumPy	2023-01-09 09:37:31

#	User	Length	Language	Date
1	Theodór Leví Halldórsson	358	Rust	2025-09-11 18:07:45

Solution running time distribution