Problem A
Grandpa Bernie — Problem Statistics

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Submissions	572
Accepted submissions	276
Submission ratio	48.25%
Authors	200
Full solves [?]	194
Full solve Ratio	97.00%

#	User	Runtime	Language	Date
1	Martin Wedege Hansen	0.37 s	C#	2023-01-31 16:12:18
2	Andreas Kongstad	0.42 s	C#	2023-01-31 14:03:49
3	Hidden user	0.74 s	C#	2022-02-01 11:44:34

#	User	Runtime	Language	Date
1	Nicolaj Valsted	0.07 s	C++	2020-03-12 01:12:47
2	Alexander Bilde Pedersen	0.14 s	C++	2023-01-31 23:46:07
3	Joachim Borup	0.14 s	C++	2023-02-07 01:50:20
4	Gabriel Stanculescu	0.28 s	C++	2025-01-31 19:29:45
5	Hidden user	0.28 s	C++	2025-02-02 08:43:55
6	Aksel Emil Dyhr	0.28 s	C++	2026-01-28 11:37:27
7	Hugo Brito	0.32 s	C++	2020-03-20 00:26:06
8	Viktor Bello Thomsen	0.32 s	C++	2022-02-01 11:13:27
9	Matthias Nyman	0.37 s	C++	2026-01-27 10:32:03
10	Christoffer Jakob Romild Woldbye	0.44 s	C++	2022-02-01 13:53:01

#	User	Runtime	Language	Date
1	Asmus Tørsleff	0.32 s	Java	2022-02-01 11:04:40
2	Joachim Borup	0.50 s	Java	2023-01-31 13:38:01
3	Ludvig Elias Kjæp Kirkeby	0.54 s	Java	2026-01-29 19:03:23
4	Martin Aumüller	0.56 s	Java	2021-01-31 22:37:04
5	Sjoerd Pijpers	0.64 s	Java	2020-03-22 15:16:59
6	Johan Richardt-Bunke	0.64 s	Java	2023-02-05 17:15:51
7	Sif Due Jacobsen	0.65 s	Java	2026-01-27 10:51:12
8	Jacob Mølby	0.66 s	Java	2020-01-25 11:40:30
9	Frederik Buur	0.69 s	Java	2025-01-31 12:08:29
10	Anders Juul Ingerslev	0.72 s	Java	2023-01-31 15:17:32

#	User	Runtime	Language	Date
1	Nicklas Østerberg	0.93 s	JavaScript (Node.js)	2025-01-31 12:22:42

#	User	Runtime	Language	Date
1	Ludvig Elias Kjæp Kirkeby	0.18 s	Python 3	2026-01-29 20:05:33
2	Christian Emil Stender	0.19 s	Python 3	2023-01-31 15:45:50
3	Alexander Thoren	0.19 s	Python 3	2025-02-13 10:20:56
4	Hidden user	0.19 s	Python 3	2025-03-02 14:25:37
5	Christoffer Sommerlund	0.20 s	Python 3	2022-02-08 00:15:03
6	Albert Rise Nielsen	0.22 s	Python 3	2023-01-31 11:54:19
7	Martin Aumüller	0.22 s	Python 3	2023-01-31 16:31:26
8	Adrian Borup	0.22 s	Python 3	2023-01-31 17:10:04
9	Viggo Gascou	0.26 s	Python 3	2024-01-31 15:56:53
10	Emil bks	0.26 s	Python 3	2025-01-31 12:30:05

#	User	Runtime	Language	Date
1	Hidden user	0.39 s	Python 3 with NumPy	2025-02-01 15:37:00

#	User	Runtime	Language	Date
1	Andreas Severin Hauch Trøstrup	0.40 s	Ruby	2023-02-03 01:10:44
2	Frederik Petersen	0.58 s	Ruby	2023-02-02 14:24:46

#	User	Runtime	Language	Date
1	Malthe Mathias Mølgaard Larsen	0.17 s	Rust	2023-01-31 16:57:33
2	Kasper Jønsson	0.20 s	Rust	2026-01-27 11:07:02
3	Andreas Just Petersen	0.21 s	Rust	2023-01-31 14:39:17
4	Hidden user	0.22 s	Rust	2024-01-31 19:56:55
5	Albert Ross Johannessen	0.24 s	Rust	2024-02-03 14:34:40

#	User	Length	Language	Date
1	Hidden user	1017	C#	2022-02-01 11:44:34
2	Martin Wedege Hansen	1140	C#	2023-01-31 16:12:18
3	Andreas Kongstad	2237	C#	2023-01-31 14:03:49

#	User	Length	Language	Date
1	Gabriel Stanculescu	448	C++	2025-01-31 19:29:45
2	Viktor Bello Thomsen	467	C++	2022-02-01 11:13:27
3	Hidden user	587	C++	2025-02-02 08:43:55
4	Joachim Borup	718	C++	2023-01-31 15:28:18
5	Matthias Nyman	842	C++	2026-01-27 10:32:03
6	Alexander Bilde Pedersen	916	C++	2023-01-31 23:46:07
7	Aksel Emil Dyhr	968	C++	2026-01-28 11:37:27
8	Nicolaj Valsted	1043	C++	2020-03-12 01:12:47
9	Hugo Brito	1106	C++	2020-03-20 00:26:06
10	Christoffer Jakob Romild Woldbye	1754	C++	2022-02-01 13:53:01

#	User	Length	Language	Date
1	Martin Aumüller	1042	Java	2021-01-31 22:37:04
2	Anders Juul Ingerslev	1217	Java	2023-01-31 15:17:32
3	Frederik Buur	1318	Java	2025-01-31 12:08:29
4	Amidala Hoffmén	1325	Java	2025-02-07 14:37:56
5	Anders Arvesen	1526	Java	2023-01-31 15:36:10
6	Sif Due Jacobsen	1566	Java	2026-01-27 10:51:12
7	Ludvig Elias Kjæp Kirkeby	1572	Java	2026-01-29 19:22:43
8	Henrik Do	1671	Java	2020-03-18 18:00:04
9	Johan Richardt-Bunke	1773	Java	2023-02-05 17:15:51
10	Malte Black Nielsen	1837	Java	2023-01-31 15:14:53

#	User	Length	Language	Date
1	Nicklas Østerberg	1309	JavaScript (Node.js)	2025-01-31 12:22:42

#	User	Length	Language	Date
1	Albert Ross Johannessen	242	Python 3	2024-02-02 16:15:56
2	Felix Fatum	255	Python 3	2026-01-27 10:06:25
3	Kenny Izaak Egelund	261	Python 3	2026-01-27 10:32:10
4	Hidden user	277	Python 3	2025-02-02 11:28:12
5	Hidden user	280	Python 3	2026-01-28 20:00:59
6	Frederik Baht-Hagen	284	Python 3	2023-01-31 15:14:28
7	Daniel Lundin lind	296	Python 3	2023-01-31 14:38:29
8	Nikolaj Munk Binder Jensen	302	Python 3	2025-01-24 16:17:29
9	Philip Kristian Møller Flyvholm	305	Python 3	2024-01-31 16:55:41
10	Marfavi	306	Python 3	2022-02-04 13:39:50

#	User	Length	Language	Date
1	Hidden user	384	Python 3 with NumPy	2025-02-01 15:37:00

#	User	Length	Language	Date
1	Andreas Severin Hauch Trøstrup	197	Ruby	2023-02-03 01:12:41
2	Frederik Petersen	215	Ruby	2023-02-02 14:24:46

#	User	Length	Language	Date
1	Kasper Jønsson	1253	Rust	2026-01-27 12:01:20
2	Andreas Just Petersen	1303	Rust	2023-01-31 14:39:17
3	Malthe Mathias Mølgaard Larsen	1312	Rust	2023-01-31 16:57:33
4	Albert Ross Johannessen	1363	Rust	2024-02-03 14:34:40
5	Hidden user	1674	Rust	2024-01-31 19:56:55

Solution running time distribution