Problem A
CD — Problem Statistics

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Submissions	8470
Accepted submissions	1913
Submission ratio	22.59%
Authors	837
Full solves [?]	715
Full solve Ratio	85.42%

#	User	Runtime	Language	Date
1	Joacim Wärn	0.05 s	C	2020-08-01 23:20:43
2	Marcus Ramse	0.08 s	C	2017-08-31 17:56:56
3	Carl Schönfelder	0.38 s	C	2018-09-21 22:24:09
4	Noah Hellman	0.38 s	C	2019-04-13 16:40:26
5	August Ernstsson	0.41 s	C	2012-09-05 16:53:44
6	Hidden user	0.42 s	C	2012-09-07 00:53:28
7	Henrik Adolfsson	0.42 s	C	2014-10-05 20:41:39
8	Felix Angerborn	0.43 s	C	2014-08-07 08:46:08
9	Georgij Zacharov	0.46 s	C	2013-09-12 02:33:39
10	David Pop	0.52 s	C	2013-09-16 20:26:41

#	User	Runtime	Language	Date
1	Björn Birath	1.88 s	C#	2021-01-21 15:10:02
2	Sebastian Andersson	1.95 s	C#	2015-10-12 19:26:37

#	User	Runtime	Language	Date
1	Filip Källman	0.04 s	C++	2023-11-24 01:21:43
2	Fredrik Präntare	0.07 s	C++	2016-09-17 22:23:36
3	Leif Eriksson	0.07 s	C++	2018-08-21 10:50:42
4	Robert Kumpulainen	0.07 s	C++	2019-09-30 17:19:35
5	Alexander Henne	0.07 s	C++	2019-10-10 21:15:48
6	Jonatan Stodeman	0.08 s	C++	2016-09-29 20:27:06
7	Mattias Ljung	0.08 s	C++	2018-11-16 20:33:01
8	Oskar Lundin	0.08 s	C++	2018-11-22 22:47:16
9	Gustav Schedin	0.09 s	C++	2019-10-08 23:37:23
10	Isak Almquist	0.11 s	C++	2019-10-17 10:02:47

#	User	Runtime	Language	Date
1	Vilhelm Melkstam	1.39 s	Go	2022-01-20 13:19:20

#	User	Runtime	Language	Date
1	David Bergström	1.14 s	Haskell	2014-10-26 10:21:13

#	User	Runtime	Language	Date
1	Axel Dannetun	0.22 s	Java	2023-09-28 10:30:12
2	Arian Behtoui	0.46 s	Java	2023-09-27 20:31:21
3	Georgij Zacharov	0.58 s	Java	2013-09-11 16:46:02
4	Erik Jareman	0.62 s	Java	2022-03-04 12:40:02
5	Max Johansson	0.65 s	Java	2013-09-20 17:50:07
6	Oskar Alm	0.65 s	Java	2017-10-18 15:42:02
7	Mikael Szreder	0.66 s	Java	2013-09-18 23:40:23
8	Herman Appelgren	0.66 s	Java	2018-01-18 14:33:39
9	Dag Sonntag	0.67 s	Java	2014-01-29 01:12:18
10	Hidden user	0.68 s	Java	2013-09-19 19:42:53

#	User	Runtime	Language	Date
1	Emil Eriksson	0.87 s	Kotlin	2021-01-24 21:32:00

#	User	Runtime	Language	Date
1	Hidden user	0.64 s	Python 2	2012-10-14 10:41:09
2	Hidden user	0.95 s	Python 2	2016-01-21 13:35:32
3	Arvin Johansson Arbab	1.07 s	Python 2	2013-10-17 21:37:25

#	User	Runtime	Language	Date
1	Robin Liljenberg	0.86 s	Python 3	2026-02-19 10:15:50
2	Jonathan Almstedt	1.04 s	Python 3	2026-01-22 21:48:42
3	Fredrik Nääs	1.09 s	Python 3	2021-10-22 00:50:11
4	Miriam Rosén	1.11 s	Python 3	2022-01-20 16:24:37
5	Su Huang	1.18 s	Python 3	2026-01-22 00:12:10
6	David Norman	1.24 s	Python 3	2024-01-17 11:13:28
7	Viktor Rösler	1.35 s	Python 3	2021-10-20 19:18:17
8	Marcus Friberg Isenborg	1.37 s	Python 3	2026-01-21 14:33:56
9	Martin Nordberg	1.64 s	Python 3	2022-01-20 17:50:00
10	Jingyuan Ren	1.71 s	Python 3	2026-01-28 17:22:42

#	User	Runtime	Language	Date
1	Linus Käll	0.37 s	Rust	2022-01-20 15:16:32
2	Christoffer Lundell	0.73 s	Rust	2023-10-14 11:05:47

#	User	Length	Language	Date
1	Henrik Adolfsson	193	C	2014-10-17 18:09:57
2	Felix Angerborn	569	C	2014-08-07 08:46:08
3	Georgij Zacharov	589	C	2013-09-11 18:09:09
4	August Ernstsson	647	C	2012-09-06 10:33:36
5	Marcus Ramse	801	C	2017-08-29 14:44:45
6	Carl Schönfelder	969	C	2018-09-21 22:24:09
7	David Pop	1038	C	2013-09-16 20:26:41
8	Noah Hellman	1082	C	2019-04-13 16:40:26
9	Hidden user	1390	C	2012-09-07 00:53:28
10	Joacim Wärn	2913	C	2020-08-01 23:23:12

#	User	Length	Language	Date
1	Björn Birath	1226	C#	2021-01-21 15:10:02
2	Sebastian Andersson	4084	C#	2015-10-12 19:26:37

#	User	Length	Language	Date
1	Henrik Adolfsson	185	C++	2014-11-13 12:12:31
2	Filip Källman	245	C++	2023-11-11 04:04:36
3	Albin Kjellson	304	C++	2023-10-13 00:56:51
4	Bjarki Ágúst Guðmundsson	319	C++	2014-10-30 12:51:01
5	Mattias Ljung	373	C++	2018-11-09 17:27:48
6	Stian Pedersen	395	C++	2020-10-05 18:00:23
7	Hidden user	414	C++	2015-10-11 17:33:16
8	Viktor Axén	414	C++	2022-09-07 21:36:20
9	Sam Le	421	C++	2014-02-02 12:55:37
10	David Sejmyr	424	C++	2019-10-11 15:54:11

#	User	Length	Language	Date
1	Vilhelm Melkstam	548	Go	2022-01-19 14:14:06

#	User	Length	Language	Date
1	David Bergström	1194	Haskell	2014-10-26 10:21:13

#	User	Length	Language	Date
1	Hidden user	608	Java	2012-09-05 16:03:51
2	Herman Appelgren	757	Java	2018-01-18 14:33:39
3	Alice Stattin	819	Java	2022-10-24 10:38:29
4	Daniel Roos	836	Java	2016-09-23 10:13:24
5	Sebastian Ragnarsson	837	Java	2016-10-11 17:43:08
6	Axel Tält	837	Java	2017-10-31 16:41:00
7	Ludvig Knast	893	Java	2020-10-08 11:50:02
8	Vilhelm Melkstam	905	Java	2019-09-09 14:34:44
9	Oscar Linnarsson	914	Java	2018-10-20 14:57:58
10	Robin Andersson	916	Java	2013-09-11 19:13:08

#	User	Length	Language	Date
1	Emil Eriksson	2536	Kotlin	2021-01-24 21:32:00

#	User	Length	Language	Date
1	Hidden user	254	Python 2	2012-10-14 10:31:03
2	Arvin Johansson Arbab	497	Python 2	2013-10-17 21:37:25
3	Hidden user	597	Python 2	2016-01-21 13:35:32

#	User	Length	Language	Date
1	Viktor Rösler	409	Python 3	2021-10-20 19:18:17
2	Wenlin Fan	414	Python 3	2026-01-21 10:41:09
3	Jingyuan Ren	414	Python 3	2026-01-28 17:22:42
4	Jorke de Vlas	427	Python 3	2024-01-17 11:14:23
5	Jonathan Almstedt	456	Python 3	2026-01-22 21:48:42
6	Erik Kronberg	559	Python 3	2022-01-20 19:59:46
7	Fredrik Nääs	570	Python 3	2021-10-22 00:50:11
8	Marcus Friberg Isenborg	572	Python 3	2026-01-21 14:31:52
9	Robin Liljenberg	692	Python 3	2026-02-19 10:15:50
10	David Norman	716	Python 3	2024-01-17 11:13:28

#	User	Length	Language	Date
1	Christoffer Lundell	954	Rust	2023-10-14 11:05:47
2	Linus Käll	2323	Rust	2022-01-20 15:16:32

Solution running time distribution