Problem A
Balance — Problem Statistics

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Submissions	9447
Accepted submissions	3697
Submission ratio	39.13%
Authors	2207
Full solves [?]	1880
Full solve Ratio	85.18%

#	User	Score	Language	Date
1	Andreas Wachs Hjalager	100	C	2021-02-08 21:59:31
2	Mariusz Oskar Kurek	100	C	2022-01-31 21:08:18
3	Marcus Henrik Simonsen	100	C	2022-02-12 15:10:30
4	Marcus Alsted Wegmann	100	C	2023-02-10 15:51:27
5	András Fekete	100	C	2024-02-12 21:48:47
6	Hidden user	100	C	2026-02-13 00:46:44

#	User	Score	Language	Date
1	Jakub Mráz	100	C#	2023-02-11 21:38:09

#	User	Score	Language	Date
1	Hidden user	10	Go	2022-02-07 07:21:45
2	zysaaa	10	Go	2022-02-07 12:53:05

#	User	Score	Language	Date
1	Adam Yaser Sweilem	100	Haskell	2025-02-10 13:50:58

#	User	Score	Language	Date
1	Balder Hegermann Møller	100	Java with Algs4	2025-02-16 15:10:28
2	Kim Ulstrup	100	Java with Algs4	2025-02-17 02:45:04
3	Ken Thomsen	100	Java with Algs4	2026-02-09 12:57:19
4	Angeline Victoria Marques	100	Java with Algs4	2026-02-11 11:31:22
5	Maria Møller	100	Java with Algs4	2026-02-11 20:35:31
6	Keani Salanoa Stewart	100	Java with Algs4	2026-02-13 16:58:01

#	User	Score	Language	Date
1	Jakob Kilias Svenningsen	100	JavaScript (Node.js)	2021-02-15 10:11:28
2	Alex Tilgreen Mogensen	100	JavaScript (Node.js)	2024-02-08 09:20:24

#	User	Score	Language	Date
1	Frederik Raisa	100	Kotlin	2022-02-07 14:44:44

#	User	Score	Language	Date
1	Frederik Raisa	100	Rust	2021-02-02 13:18:05
2	Jonas Ulsnes Jørgensen	100	Rust	2022-01-22 12:49:41
3	Gustav Kristensen	100	Rust	2022-05-08 20:35:17
4	Kasper Jønsson	100	Rust	2024-02-12 16:06:57
5	Frederik Porsmose Stender	100	Rust	2024-02-15 14:56:14
6	Hidden user	100	Rust	2025-02-10 17:11:55

#	User	Runtime	Language	Date
1	Marcus Henrik Simonsen	0.00 s	C	2022-02-12 15:10:30
2	Marcus Alsted Wegmann	0.00 s	C	2023-02-10 15:51:27
3	András Fekete	0.00 s	C	2024-02-12 21:48:47
4	Andreas Wachs Hjalager	0.01 s	C	2021-02-08 21:59:31
5	Mariusz Oskar Kurek	0.01 s	C	2022-01-31 21:08:18
6	Hidden user	0.01 s	C	2026-02-13 00:46:44

#	User	Runtime	Language	Date
1	Jakub Mráz	0.04 s	C#	2023-02-11 21:38:09

#	User	Runtime	Language	Date
1	Alexander Jacobsen	0.00 s	C++	2021-02-12 23:27:50
2	Aske Wachs	0.00 s	C++	2021-02-13 21:22:18
3	Christoffer Jakob Romild Woldbye	0.00 s	C++	2023-01-12 12:46:55
4	Hidden user	0.00 s	C++	2023-02-04 20:12:55
5	Albert Ross Johannessen	0.00 s	C++	2023-02-05 23:14:04
6	Badr Mansouri	0.00 s	C++	2026-02-14 19:35:50
7	Viktor Bello Thomsen	0.01 s	C++	2021-02-09 00:05:33
8	Marfavi	0.01 s	C++	2021-07-15 15:35:05
9	Jonas-Mika Senghaas	0.01 s	C++	2022-02-06 20:16:22
10	David Vinje	0.01 s	C++	2022-02-11 09:07:26

#	User	Runtime	Language	Date
1	Adam Yaser Sweilem	0.03 s	Haskell	2025-02-10 13:50:58

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.07 s	Java	2021-02-18 16:35:01
2	Marcus Alsted Wegmann	0.07 s	Java	2023-02-06 13:57:29
3	Ioana Daus	0.07 s	Java	2025-02-15 18:44:28
4	Ask Christensen	0.07 s	Java	2025-02-16 19:16:53
5	Frederik Malling Thorsen	0.07 s	Java	2026-02-12 10:51:52
6	Anders Jackson Pedersen	0.07 s	Java	2026-02-15 20:01:28
7	Adrian Borup	0.08 s	Java	2021-02-08 18:44:55
8	Noah Leerbeck Van Wagenen	0.08 s	Java	2025-02-07 11:22:32
9	Peter Dahl Hæstrup	0.08 s	Java	2025-02-09 15:47:50
10	Hjalte Erlang Treebak	0.08 s	Java	2025-02-09 15:50:43

#	User	Runtime	Language	Date
1	Maria Møller	0.09 s	Java with Algs4	2026-02-11 20:35:31
2	Balder Hegermann Møller	0.22 s	Java with Algs4	2025-02-16 15:10:28
3	Kim Ulstrup	0.22 s	Java with Algs4	2025-02-17 02:45:04
4	Ken Thomsen	0.25 s	Java with Algs4	2026-02-09 13:41:39
5	Keani Salanoa Stewart	0.29 s	Java with Algs4	2026-02-13 16:58:01
6	Angeline Victoria Marques	0.38 s	Java with Algs4	2026-02-11 11:31:22

#	User	Runtime	Language	Date
1	Alex Tilgreen Mogensen	0.07 s	JavaScript (Node.js)	2024-02-08 09:20:24
2	Jakob Kilias Svenningsen	0.47 s	JavaScript (Node.js)	2021-02-15 13:13:52

#	User	Runtime	Language	Date
1	Frederik Raisa	0.53 s	Kotlin	2022-02-07 14:44:44

#	User	Runtime	Language	Date
1	Hidden user	0.05 s	Python 3	2025-02-11 20:20:06
2	Jan Cardell	0.05 s	Python 3	2025-02-15 19:01:13
3	Guanran Tai	0.06 s	Python 3	2022-07-17 13:59:16
4	Alexis Serruys	0.06 s	Python 3	2023-02-05 19:04:08
5	Bjarke Brodin	0.06 s	Python 3	2023-02-07 15:12:17
6	Hidden user	0.06 s	Python 3	2023-02-11 19:20:30
7	Asmus Tørsleff	0.06 s	Python 3	2023-02-12 13:11:32
8	Hidden user	0.06 s	Python 3	2023-02-12 18:20:29
9	Gabriel Catalin Ionescu	0.06 s	Python 3	2023-02-12 22:00:05
10	NIcolai Jacob Kofod-Jensen	0.06 s	Python 3	2023-02-13 09:12:22

#	User	Runtime	Language	Date
1	Erik Aymerich	0.06 s	Python 3 with NumPy	2025-02-10 21:17:50
2	Sigrid Schødt Hansen	0.06 s	Python 3 with NumPy	2025-02-11 13:26:40
3	Etele Kovács	0.06 s	Python 3 with NumPy	2025-02-12 11:38:09
4	Laura Tiago	0.06 s	Python 3 with NumPy	2025-02-12 21:43:47
5	Bruno Modica	0.06 s	Python 3 with NumPy	2025-02-14 11:56:37
6	Hidden user	0.06 s	Python 3 with NumPy	2025-02-14 14:51:41
7	Hidden user	0.06 s	Python 3 with NumPy	2025-02-15 11:19:18
8	Gabija Makutenaite	0.06 s	Python 3 with NumPy	2025-02-15 16:05:32
9	Matej Paldan	0.06 s	Python 3 with NumPy	2025-02-16 12:47:12
10	Patrycja Zdyb	0.06 s	Python 3 with NumPy	2025-02-16 20:11:38

#	User	Runtime	Language	Date
1	Jonas Ulsnes Jørgensen	0.00 s	Rust	2022-01-22 12:49:41
2	Gustav Kristensen	0.00 s	Rust	2022-05-08 20:35:17
3	Kasper Jønsson	0.00 s	Rust	2024-02-12 16:06:57
4	Frederik Porsmose Stender	0.01 s	Rust	2024-02-15 14:56:14
5	Frederik Raisa	0.02 s	Rust	2021-02-02 13:18:05
6	Hidden user	0.02 s	Rust	2025-02-10 17:11:55

#	User	Length	Language	Date
1	Marcus Alsted Wegmann	765	C	2023-02-10 16:41:25
2	Marcus Henrik Simonsen	1356	C	2022-02-12 15:10:30
3	Mariusz Oskar Kurek	1436	C	2022-02-04 13:22:43
4	Hidden user	1459	C	2026-02-13 00:46:44
5	Andreas Wachs Hjalager	1516	C	2021-02-08 21:59:31
6	András Fekete	1783	C	2024-02-12 21:48:47

#	User	Length	Language	Date
1	Jakub Mráz	1630	C#	2023-02-11 21:38:09

#	User	Length	Language	Date
1	Marfavi	473	C++	2021-07-16 02:47:16
2	Alexander Hillerup Tuff	659	C++	2026-02-09 13:27:17
3	Abubakar Adan	679	C++	2025-02-14 23:13:19
4	Otto Stadel Clausen	723	C++	2024-02-13 12:23:55
5	Albert Ross Johannessen	749	C++	2023-02-05 23:13:10
6	Alexander Jacobsen	752	C++	2021-02-12 23:27:50
7	Aske Wachs	753	C++	2021-02-09 19:35:53
8	Jonas-Mika Senghaas	799	C++	2022-02-06 20:16:22
9	Hidden user	887	C++	2023-02-04 20:12:55
10	Viktor Bello Thomsen	964	C++	2021-02-09 00:05:33

#	User	Length	Language	Date
1	Adam Yaser Sweilem	688	Haskell	2025-02-10 13:50:58

#	User	Length	Language	Date
1	Phi Va Lo	271	Java	2023-02-08 15:09:54
2	Alexander Rossau	344	Java	2024-02-03 15:49:30
3	Frederik Bertelsen	416	Java	2023-02-04 17:04:57
4	Oliver Flinck Sheye	548	Java	2025-02-14 02:01:45
5	Frederik Porsmose Stender	571	Java	2024-02-16 14:41:45
6	Dominik Chomicki	581	Java	2021-02-08 18:08:49
7	Magnus Wulff Breinstrup	612	Java	2026-02-09 15:13:47
8	Maria Arnvig	625	Java	2024-02-16 13:25:01
9	Emil Allerslev Schledermann	674	Java	2023-02-08 10:04:07
10	Fabian Harlang	680	Java	2024-02-26 15:03:27

#	User	Length	Language	Date
1	Kim Ulstrup	875	Java with Algs4	2025-02-17 02:45:04
2	Balder Hegermann Møller	889	Java with Algs4	2025-02-16 15:10:28
3	Ken Thomsen	895	Java with Algs4	2026-02-09 12:57:19
4	Angeline Victoria Marques	1040	Java with Algs4	2026-02-11 11:31:22
5	Keani Salanoa Stewart	1070	Java with Algs4	2026-02-13 16:58:01
6	Maria Møller	2636	Java with Algs4	2026-02-11 20:35:31

#	User	Length	Language	Date
1	Alex Tilgreen Mogensen	539	JavaScript (Node.js)	2024-02-08 09:20:24
2	Jakob Kilias Svenningsen	734	JavaScript (Node.js)	2021-02-15 13:13:52

#	User	Length	Language	Date
1	Frederik Raisa	776	Kotlin	2022-02-07 14:44:44

#	User	Length	Language	Date
1	Phi Va Lo	99	Python 3	2023-10-22 00:50:33
2	Nikolaj Munk Binder Jensen	101	Python 3	2023-03-19 22:41:38
3	Asmus Tørsleff	112	Python 3	2023-02-24 11:54:22
4	Alexis Serruys	193	Python 3	2023-02-06 17:13:11
5	Aneta Ferancova	224	Python 3	2026-02-16 08:04:41
6	Emil Fenger	227	Python 3	2023-02-10 12:43:51
7	Noel Møller Gamsbøl	245	Python 3	2026-02-09 13:21:28
8	Utku Yoztyurk	263	Python 3	2026-02-16 08:43:53
9	Hidden user	269	Python 3	2025-02-10 13:56:48
10	Victor de Roepstorff	298	Python 3	2024-02-18 16:50:11

#	User	Length	Language	Date
1	Sune Kjær Christiansen	336	Python 3 with NumPy	2024-02-15 14:43:14
2	Matej Paldan	338	Python 3 with NumPy	2025-02-16 12:47:12
3	Magnus Bugge Madsen	359	Python 3 with NumPy	2024-02-18 20:08:00
4	Bruno Modica	372	Python 3 with NumPy	2025-02-14 11:56:37
5	Hidden user	378	Python 3 with NumPy	2025-02-17 08:23:11
6	Erik Aymerich	387	Python 3 with NumPy	2025-02-10 21:17:50
7	Laura Tiago	399	Python 3 with NumPy	2025-02-12 21:43:47
8	Hidden user	422	Python 3 with NumPy	2025-02-15 11:19:18
9	Mykyta Taranov	438	Python 3 with NumPy	2024-02-14 23:22:19
10	Hidden user	467	Python 3 with NumPy	2025-02-14 14:51:41

#	User	Length	Language	Date
1	Frederik Porsmose Stender	700	Rust	2024-02-15 14:56:14
2	Jonas Ulsnes Jørgensen	826	Rust	2022-01-22 12:49:41
3	Gustav Kristensen	905	Rust	2022-05-08 20:35:17
4	Kasper Jønsson	1130	Rust	2024-02-13 12:32:40
5	Hidden user	2511	Rust	2025-02-10 17:11:55
6	Frederik Raisa	2857	Rust	2021-02-02 13:18:05

Solution running time distribution