Problem A
Brýr — Problem Statistics

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Submissions	2971
Accepted submissions	2380
Submission ratio	80.11%
Authors	904
Full solves [?]	746
Full solve Ratio	82.52%

#	User	Score	Language	Date
1	Mikael K Eriksson	100	C	2021-01-27 14:14:58
2	Bergur Snorrason	100	C	2023-02-02 16:19:31

#	User	Score	Language	Date
1	Arek Swierczek	100	C#	2020-12-05 13:34:02
2	Kota Nishizaki	100	C#	2020-12-10 01:49:30
3	Donald Heppner	60	C#	2020-12-05 21:27:12
4	Martin Delin	60	C#	2021-10-17 14:51:40
5	Jakub Jarząbek	60	C#	2022-01-29 18:13:48
6	Rickard Bemm	60	C#	2022-03-27 14:06:03
7	Mikael Fiala-Lundström	40	C#	2022-04-01 01:59:33
8	Freek van Keulen	40	C#	2024-02-05 09:06:59
9	Esty Crow	20	C#	2023-12-24 04:18:05

#	User	Score	Language	Date
1	Gudjon Bjarki	20	F#	2024-02-22 15:16:17

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2021-03-16 14:32:08
2	Hidden user	100	Go	2021-10-21 22:37:23
3	Adam Engsig	100	Go	2022-02-26 11:18:21
4	Thomas	100	Go	2024-01-07 06:55:14
5	Ronas Jacob Coban Olsen	80	Go	2024-11-15 08:52:39

#	User	Score	Language	Date
1	Udo Stenzel	100	Haskell	2022-06-11 20:22:18
2	Erik von Brömssen	60	Haskell	2021-06-24 12:20:43

#	User	Score	Language	Date
1	Jimmy Gustafsson	100	JavaScript (SpiderMonkey)	2024-07-30 23:37:52
2	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2025-06-06 14:19:04
3	Bjørn Chr. Soltvedt	80	JavaScript (SpiderMonkey)	2020-12-07 22:30:41

#	User	Score	Language	Date
1	Noszály Csaba	100	Julia	2025-10-05 06:33:54
2	Danny Robinson	60	Julia	2023-11-21 07:33:06
3	Timothy Gaede	60	Julia	2024-04-11 07:48:53

#	User	Score	Language	Date
1	Kiel Dowdle	100	Kotlin	2021-04-22 23:54:31
2	Adam Rankin	100	Kotlin	2023-09-02 20:09:47
3	Martijn Muijsers	100	Kotlin	2024-05-31 23:20:44

#	User	Score	Language	Date
1	Hidden user	100	OCaml	2024-07-18 18:09:54

#	User	Score	Language	Date
1	Renate	60	PHP	2023-12-04 02:18:08

#	User	Score	Language	Date
1	Samúel Arnar Hafsteinsson	100	Python 2	2020-02-13 11:46:11
2	Elvar Árni Bjarnason	100	Python 2	2020-02-16 14:43:45
3	Benedikt Aron Sigurþórsson	100	Python 2	2021-02-02 02:04:44
4	Yanmarshus Bachtiar	100	Python 2	2021-06-01 04:15:15
5	Andreas Björklund	100	Python 2	2021-11-20 12:37:09
6	Kristófer Helgi Antonsson	100	Python 2	2023-01-08 01:19:07

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2023-07-04 12:17:31
2	Muhammad Rais Fathin Mudzakir	100	Ruby	2025-09-27 17:34:19

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.02 s	C	2023-02-02 16:19:31
2	Mikael K Eriksson	0.08 s	C	2021-01-27 14:14:58

#	User	Runtime	Language	Date
1	Kota Nishizaki	0.27 s	C#	2020-12-10 01:49:30
2	Arek Swierczek	0.83 s	C#	2020-12-05 13:34:02

#	User	Runtime	Language	Date
1	Hải Minh	0.04 s	C++	2021-11-04 19:11:01
2	Johannes Ljung Ekeroth	0.05 s	C++	2021-10-08 15:42:19
3	Ben Wu	0.06 s	C++	2021-10-28 08:34:53
4	Leow Li Yong	0.06 s	C++	2022-03-22 07:57:24
5	Frank Endriss	0.07 s	C++	2021-01-03 22:23:13
6	Bergur Snorrason	0.07 s	C++	2021-04-12 13:19:02
7	zyc	0.07 s	C++	2024-08-31 21:29:44
8	Dagur Þórisson	0.07 s	C++	2024-10-10 17:43:18
9	Einar Ágúst Jónsson	0.07 s	C++	2024-11-13 12:53:35
10	Poon Zhe Xuan	0.07 s	C++	2025-03-02 07:51:48

#	User	Runtime	Language	Date
1	Adam Engsig	0.10 s	Go	2022-02-26 12:39:37
2	Hidden user	0.14 s	Go	2021-10-21 22:37:23
3	Norbert Voelker	0.22 s	Go	2021-03-16 14:32:08
4	Thomas	0.47 s	Go	2024-01-07 06:55:14

#	User	Runtime	Language	Date
1	Udo Stenzel	1.90 s	Haskell	2022-06-11 20:22:18

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.18 s	Java	2023-06-26 21:23:44
2	Bjørn Dons	0.26 s	Java	2020-12-29 22:54:47
3	Asmus Tørsleff	0.29 s	Java	2021-03-26 18:54:25
4	Jakub Jagiello	0.31 s	Java	2022-05-08 20:25:54
5	Sparsh Sanchorawala	0.33 s	Java	2022-10-29 00:10:02
6	Crystal Sharpe	0.36 s	Java	2020-12-15 00:56:01
7	Emil Bak-Møller	0.37 s	Java	2021-07-21 23:50:45
8	Steven Cheng	0.51 s	Java	2021-01-01 03:00:24
9	Brent Yorgey	0.53 s	Java	2020-12-28 07:01:44
10	Tan Zhang-Hng Ervin	0.55 s	Java	2024-11-16 10:30:20

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.33 s	JavaScript (SpiderMonkey)	2025-06-06 14:19:04
2	Jimmy Gustafsson	0.70 s	JavaScript (SpiderMonkey)	2024-07-30 23:37:52

#	User	Runtime	Language	Date
1	Noszály Csaba	0.63 s	Julia	2025-10-05 06:33:54

#	User	Runtime	Language	Date
1	Kiel Dowdle	0.82 s	Kotlin	2021-04-22 23:54:31
2	Martijn Muijsers	1.05 s	Kotlin	2024-05-31 23:20:44
3	Adam Rankin	1.13 s	Kotlin	2023-09-02 20:09:47

#	User	Runtime	Language	Date
1	Hidden user	0.68 s	OCaml	2024-07-18 18:09:54

#	User	Runtime	Language	Date
1	Samúel Arnar Hafsteinsson	0.53 s	Python 2	2020-02-13 11:46:11
2	Yanmarshus Bachtiar	0.55 s	Python 2	2021-06-01 04:15:15
3	Andreas Björklund	0.57 s	Python 2	2021-11-20 12:37:09
4	Elvar Árni Bjarnason	0.60 s	Python 2	2020-02-16 14:43:45
5	Kristófer Helgi Antonsson	0.71 s	Python 2	2023-01-08 01:19:07
6	Benedikt Aron Sigurþórsson	0.83 s	Python 2	2021-02-02 02:04:44

#	User	Runtime	Language	Date
1	Ryan Tan	0.22 s	Python 3	2024-09-22 13:05:42
2	Dominic Berzin Chua Way Gin	0.25 s	Python 3	2025-04-18 05:57:29
3	Muhammad Rais Fathin Mudzakir	0.25 s	Python 3	2025-09-27 08:53:19
4	Caleb Dastrup	0.29 s	Python 3	2025-01-24 02:58:57
5	Einar Andri Víðisson	0.30 s	Python 3	2025-02-26 20:35:42
6	Jiaming Kong	0.30 s	Python 3	2025-07-06 08:58:11
7	Tan Yu Wei	0.31 s	Python 3	2023-03-21 05:14:33
8	Gladwin Yeo	0.33 s	Python 3	2022-07-22 01:50:10
9	Hrafnkell Hreinsson	0.33 s	Python 3	2024-10-13 21:37:40
10	Hidden user	0.34 s	Python 3	2020-12-15 23:35:35

#	User	Runtime	Language	Date
1	Thomas Feld	0.55 s	Ruby	2023-07-04 12:17:57
2	Muhammad Rais Fathin Mudzakir	0.67 s	Ruby	2025-09-27 17:34:19

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-03-10 02:46:22
2	Niklas Sandén	0.08 s	Rust	2022-09-08 19:27:41
3	Klas af Geijerstam	0.09 s	Rust	2022-03-19 19:51:03
4	Hidden user	0.10 s	Rust	2023-05-11 21:55:58
5	Ng Tek In	0.12 s	Rust	2022-08-28 06:32:13
6	Frederik Haagensen	0.12 s	Rust	2022-09-24 22:10:26
7	Bas Dirks	0.12 s	Rust	2025-01-30 15:24:03
8	Akemi Izuko	0.13 s	Rust	2022-10-21 19:54:26
9	Egor Kulikov	0.13 s	Rust	2025-02-04 18:21:59
10	Eric Pinter	0.16 s	Rust	2021-06-05 02:08:13

#	User	Length	Language	Date
1	Bergur Snorrason	3061	C	2023-02-02 16:22:08
2	Mikael K Eriksson	4334	C	2021-01-27 14:14:58

#	User	Length	Language	Date
1	Arek Swierczek	3006	C#	2020-12-05 13:34:02
2	Kota Nishizaki	7022	C#	2020-12-10 01:49:30

#	User	Length	Language	Date
1	Róbert Kristian Freysson	443	C++	2023-11-26 23:55:27
2	Dagur Þórisson	544	C++	2024-10-10 17:50:57
3	Joel Niemelä	607	C++	2022-01-08 01:26:34
4	Dmitry Lyubshin	639	C++	2023-03-21 00:19:07
5	Modak Shantanu Bharat	655	C++	2020-12-15 04:27:08
6	Markus Mathiasen	678	C++	2021-04-01 20:42:52
7	Zac Friggstad	685	C++	2021-02-19 21:52:36
8	Ernest Ng Zi Xuan	693	C++	2023-03-18 03:38:01
9	Árni Bjarnsteinsson	706	C++	2019-03-28 13:23:21
10	Ben Wu	715	C++	2021-07-20 01:49:26

#	User	Length	Language	Date
1	Thomas	2892	Go	2024-01-07 07:02:22
2	Hidden user	2949	Go	2021-10-21 22:37:23
3	Adam Engsig	3858	Go	2022-02-26 11:18:21
4	Norbert Voelker	7360	Go	2021-03-16 14:32:08

#	User	Length	Language	Date
1	Udo Stenzel	1737	Haskell	2022-06-11 20:22:18

#	User	Length	Language	Date
1	Dylan Smith	1158	Java	2021-03-09 20:34:53
2	Suhas T. Nagar	1469	Java	2022-05-24 23:20:44
3	Brennan Cleland	1543	Java	2023-01-12 04:03:18
4	Jonas Klausen	1574	Java	2021-03-26 16:40:26
5	Arnar Bjarni Arnarson	1710	Java	2023-12-17 20:49:23
6	Frederick Pek	1743	Java	2021-03-20 11:56:29
7	Mohammad Naufal Hazim Bin Saharudin	1820	Java	2025-05-23 06:11:40
8	Kumar Chakraborty	2033	Java	2023-07-05 11:59:33
9	Krish P.	2071	Java	2023-09-19 00:26:00
10	Doug Goodman	2101	Java	2021-02-15 20:41:26

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	930	JavaScript (SpiderMonkey)	2025-06-06 14:19:04
2	Jimmy Gustafsson	1667	JavaScript (SpiderMonkey)	2024-07-30 23:37:52

#	User	Length	Language	Date
1	Noszály Csaba	358	Julia	2025-10-05 07:02:09

#	User	Length	Language	Date
1	Adam Rankin	1090	Kotlin	2023-09-02 20:09:47
2	Martijn Muijsers	1305	Kotlin	2024-05-31 23:20:44
3	Kiel Dowdle	2158	Kotlin	2021-04-22 23:54:31

#	User	Length	Language	Date
1	Hidden user	1352	OCaml	2024-07-18 18:09:54

#	User	Length	Language	Date
1	Andreas Björklund	439	Python 2	2021-11-20 12:37:09
2	Benedikt Aron Sigurþórsson	636	Python 2	2021-02-02 02:04:44
3	Elvar Árni Bjarnason	667	Python 2	2020-02-16 14:43:45
4	Yanmarshus Bachtiar	883	Python 2	2021-06-01 04:15:15
5	Samúel Arnar Hafsteinsson	1022	Python 2	2020-02-13 11:46:11
6	Kristófer Helgi Antonsson	1636	Python 2	2023-01-08 01:19:07

#	User	Length	Language	Date
1	Ahmed Chamseddine	283	Python 3	2025-10-05 18:54:57
2	Charles Ancheta	297	Python 3	2023-04-19 07:57:35
3	Yong Mao	342	Python 3	2023-06-01 00:37:12
4	Thibault Raffaillac	381	Python 3	2024-07-28 18:14:21
5	Hidden user	381	Python 3	2024-10-27 23:46:14
6	Lim Yong Sheng	394	Python 3	2023-11-27 20:05:14
7	Lex Janssens	420	Python 3	2023-06-29 00:15:10
8	Iman Khodadi	424	Python 3	2024-09-19 15:08:29
9	Vincent Tandya	461	Python 3	2020-12-11 11:18:07
10	Timothy Baeckelant	469	Python 3	2024-07-21 13:12:43

#	User	Length	Language	Date
1	Thomas Feld	213	Ruby	2023-07-04 12:25:42
2	Muhammad Rais Fathin Mudzakir	440	Ruby	2025-09-27 17:34:19

#	User	Length	Language	Date
1	Sherman Chann Zhi Shen	1214	Rust	2021-10-11 09:17:39
2	David Rasch	1249	Rust	2021-11-16 15:53:36
3	Ng Tek In	1305	Rust	2022-08-28 06:32:13
4	Freek van Keulen	1411	Rust	2024-02-06 14:17:30
5	Bas Dirks	1425	Rust	2025-01-30 15:24:03
6	Hidden user	1592	Rust	2023-05-11 21:55:58
7	Eric Pinter	1904	Rust	2021-06-05 02:08:13
8	Frederik Haagensen	2105	Rust	2022-09-24 22:11:17
9	Akemi Izuko	3843	Rust	2022-10-21 19:54:26
10	Klas af Geijerstam	6816	Rust	2022-03-19 19:48:31

Solution running time distribution