Problem A
Bílskúrar — Problem Statistics

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Submissions	2317
Accepted submissions	1437
Submission ratio	62.02%
Authors	454
Full solves [?]	354
Full solve Ratio	77.97%

#	User	Score	Language	Date
1	Bergur Snorrason	100	C	2023-10-18 12:45:39
2	Oscar Brink	100	C	2023-10-27 19:59:15
3	Mirel Cosulschi	100	C	2024-05-30 17:59:13
4	Bharath Chowdary	100	C	2025-10-02 14:53:02
5	HARITHA S R	60	C	2025-04-07 08:17:46
6	Naveen Kumar S	60	C	2025-05-01 12:01:04

#	User	Score	Language	Date
1	Marwan Ashhuby	100	C#	2025-08-11 21:03:54
2	Matthew Kennedy	60	C#	2025-04-04 21:57:23
3	Hidden user	60	C#	2025-11-28 14:10:30

#	User	Score	Language	Date
1	Mathias Labori Olsen	60	Dart	2023-09-14 13:00:36

#	User	Score	Language	Date
1	Norbert Voelker	100	Go	2023-10-31 12:49:54

#	User	Score	Language	Date
1	Brent Yorgey	100	Haskell	2023-10-14 14:25:35
2	Christian Leipe	60	Haskell	2023-11-06 19:55:19
3	Steinar Simonnes	60	Haskell	2024-09-20 23:00:41

#	User	Score	Language	Date
1	Christian Pilegaard Cederquist	100	JavaScript (SpiderMonkey)	2024-09-06 21:20:38
2	Bjørn Chr. Soltvedt	60	JavaScript (SpiderMonkey)	2023-09-02 15:04:14

#	User	Score	Language	Date
1	Timothy Gaede	60	Julia	2024-07-16 08:51:24

#	User	Score	Language	Date
1	Ștefan-Iulian Alecu	100	Pascal	2025-10-26 17:55:13
2	Ingemar Ragnemalm	60	Pascal	2025-07-04 19:14:44

#	User	Score	Language	Date
1	Thomas Feld	100	Ruby	2023-10-31 15:44:18

#	User	Score	Language	Date
1	Daniel Anker Hermansen	100	Rust	2023-09-06 20:37:01
2	Erik Magnusson	100	Rust	2024-06-19 23:24:23
3	Frank Endriss	100	Rust	2024-09-12 11:28:34
4	Bas Dirks	100	Rust	2025-02-13 07:11:06
5	Vincent Lagerros	100	Rust	2025-03-05 18:23:35
6	David Rasch	60	Rust	2023-09-29 10:10:40

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.02 s	C	2023-10-18 13:11:06
2	Oscar Brink	0.03 s	C	2023-10-27 19:59:15
3	Bharath Chowdary	0.05 s	C	2025-10-02 14:53:02
4	Mirel Cosulschi	0.06 s	C	2024-05-30 17:59:13

#	User	Runtime	Language	Date
1	Marwan Ashhuby	0.14 s	C#	2025-08-11 21:03:54

#	User	Runtime	Language	Date
1	Alexander Kravberg	0.02 s	C++	2023-09-02 11:44:38
2	Arnav Sastry	0.04 s	C++	2023-09-05 22:23:50
3	Ola Dahl	0.04 s	C++	2024-10-11 19:21:44
4	Jiaye Will Wang	0.04 s	C++	2025-05-05 07:34:44
5	Mattia Marziali	0.04 s	C++	2025-05-25 09:24:19
6	Pudee Shirnen	0.04 s	C++	2025-10-09 07:59:59
7	ravisantul	0.04 s	C++	2025-11-02 09:01:04
8	Richard Wang	0.05 s	C++	2023-11-02 02:16:24
9	Ke Sun	0.05 s	C++	2024-12-05 15:35:40
10	Luka Meladze	0.05 s	C++	2025-02-16 12:34:15

#	User	Runtime	Language	Date
1	Norbert Voelker	0.06 s	Go	2023-10-31 12:49:54

#	User	Runtime	Language	Date
1	Brent Yorgey	0.81 s	Haskell	2023-10-14 14:25:35

#	User	Runtime	Language	Date
1	Bjørn Dons	0.19 s	Java	2023-09-10 20:01:12
2	Guangyi Zhou	0.29 s	Java	2026-02-02 11:48:59
3	Ravichandran Rakshana	0.40 s	Java	2024-09-04 09:20:27
4	Liew Shuang Yuan	0.40 s	Java	2024-09-04 09:59:40
5	Hidden user	0.40 s	Java	2024-09-06 07:27:23
6	Hou Xinxiang	0.40 s	Java	2024-10-01 13:53:17
7	Tang Dan Cheng	0.43 s	Java	2024-09-02 14:28:16
8	Low Zong Yun	0.44 s	Java	2024-08-29 14:18:38
9	Hidden user	0.44 s	Java	2024-09-01 15:58:31
10	Hidden user	0.44 s	Java	2024-09-05 16:09:28

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.29 s	JavaScript (SpiderMonkey)	2024-09-06 21:20:38

#	User	Runtime	Language	Date
1	Ștefan-Iulian Alecu	0.09 s	Pascal	2025-10-26 17:55:13

#	User	Runtime	Language	Date
1	Mart Koster	0.12 s	Python 3	2025-10-27 22:23:06
2	Noah Hessen Bjerke	0.13 s	Python 3	2025-11-15 07:59:32
3	Dominic Berzin Chua Way Gin	0.15 s	Python 3	2025-04-17 18:02:29
4	Ahmed Chamseddine	0.15 s	Python 3	2025-07-22 14:02:28
5	Andreas Björklund	0.16 s	Python 3	2024-11-14 18:21:46
6	Tong Zhongyi	0.17 s	Python 3	2024-08-29 10:42:06
7	Liu Zhangrui	0.17 s	Python 3	2025-02-05 13:59:42
8	Hidden user	0.17 s	Python 3	2025-02-09 08:17:35
9	GONG ZIHONG	0.18 s	Python 3	2025-02-13 15:40:32
10	Hidden user	0.18 s	Python 3	2026-02-13 10:35:35

#	User	Runtime	Language	Date
1	Thomas Feld	2.51 s	Ruby	2023-10-31 15:44:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2025-03-05 18:23:35
2	Frank Endriss	0.04 s	Rust	2024-09-12 11:28:34
3	Bas Dirks	0.04 s	Rust	2025-02-13 07:11:06
4	Erik Magnusson	0.08 s	Rust	2024-06-19 23:24:23
5	Daniel Anker Hermansen	0.11 s	Rust	2023-09-06 20:37:01

#	User	Length	Language	Date
1	Bharath Chowdary	982	C	2025-10-02 14:53:02
2	Mirel Cosulschi	1203	C	2024-05-30 17:59:13
3	Bergur Snorrason	1244	C	2023-10-18 13:17:30
4	Oscar Brink	2250	C	2023-10-27 19:59:15

#	User	Length	Language	Date
1	Marwan Ashhuby	2949	C#	2025-08-11 21:03:54

#	User	Length	Language	Date
1	Hidden user	587	C++	2024-02-03 05:06:59
2	Christian Yongwhan Lim	646	C++	2024-09-30 04:22:55
3	Ke Sun	707	C++	2024-12-05 15:35:40
4	Dagur Þórisson	735	C++	2024-10-31 17:58:27
5	塗大為	785	C++	2026-03-04 04:06:50
6	Teikn Smith	838	C++	2024-05-31 16:11:26
7	I Lucian	862	C++	2025-11-01 16:49:34
8	Chris Jiang	866	C++	2025-01-22 20:47:03
9	Ethan Lee	903	C++	2026-03-04 04:06:01
10	ravisantul	917	C++	2025-11-02 09:01:04

#	User	Length	Language	Date
1	Norbert Voelker	1448	Go	2023-10-31 12:49:54

#	User	Length	Language	Date
1	Brent Yorgey	15096	Haskell	2023-10-14 14:25:35

#	User	Length	Language	Date
1	Nick Wu	1019	Java	2024-09-09 00:22:17
2	Shen Zihan	1200	Java	2024-08-26 06:24:03
3	Deng Tianle	1237	Java	2024-08-25 16:32:37
4	Lê Huy Châu	1263	Java	2024-09-06 17:40:16
5	Ernest Ng Zi Xuan	1511	Java	2024-07-17 11:17:20
6	Wallace Peck Teong Yee	1583	Java	2024-08-26 07:42:28
7	Choo Jun Inn Darren	1587	Java	2024-08-24 16:22:07
8	Goyal Vikram	1615	Java	2024-09-06 04:46:45
9	Steven Halim	1662	Java	2024-06-17 04:06:08
10	Billy Andina	1664	Java	2024-09-02 14:08:46

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1120	JavaScript (SpiderMonkey)	2024-09-06 21:20:38

#	User	Length	Language	Date
1	Ștefan-Iulian Alecu	2101	Pascal	2025-10-26 17:55:13

#	User	Length	Language	Date
1	Shashank Bhatt	174	Python 3	2024-12-22 03:53:31
2	Logan Gill	175	Python 3	2024-12-21 23:24:34
3	suraj mathashery	222	Python 3	2024-12-20 00:53:43
4	Noah Hessen Bjerke	245	Python 3	2025-11-15 07:59:32
5	Ahmed Chamseddine	272	Python 3	2025-07-22 14:00:22
6	Marshall D Feng	310	Python 3	2025-01-04 07:32:03
7	Hidden user	335	Python 3	2025-02-11 14:59:35
8	Allison Pelton	445	Python 3	2024-12-19 08:47:19
9	Jey Veerasamy	447	Python 3	2026-02-23 06:14:02
10	Robert Logi Jonsson	498	Python 3	2024-10-31 20:05:44

#	User	Length	Language	Date
1	Thomas Feld	266	Ruby	2023-11-01 09:08:34

#	User	Length	Language	Date
1	Bas Dirks	1414	Rust	2025-02-13 07:14:47
2	Erik Magnusson	5481	Rust	2024-06-19 23:24:23
3	Frank Endriss	21879	Rust	2024-09-12 11:28:34
4	Daniel Anker Hermansen	26950	Rust	2023-09-06 20:37:01
5	Vincent Lagerros	33431	Rust	2025-03-05 18:23:35

Solution running time distribution