Problem A
Card Trick — Problem Statistics

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Submissions	257
Accepted submissions	164
Submission ratio	63.81%
Authors	109
Full solves [?]	106
Full solve Ratio	97.25%

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	C	2008-09-23 00:44:16
2	Oscar Cusin	0.00 s	C	2024-01-17 17:33:34

#	User	Runtime	Language	Date
1	Aleksander Jan Mistewicz	0.02 s	Go	2019-01-27 18:03:15
2	Hidden user	0.02 s	Go	2019-05-31 08:50:57

#	User	Runtime	Language	Date
1	Oskar Lindström	0.00 s	Haskell	2019-01-26 20:48:28
2	Fredrik Blomqvist	0.00 s	Haskell	2025-01-15 20:07:19
3	Jacob Molin	0.00 s	Haskell	2025-01-16 12:30:31
4	Tomas Möre	0.01 s	Haskell	2019-01-16 22:28:33
5	Isaac Arvestad	0.01 s	Haskell	2019-01-19 19:28:23

#	User	Runtime	Language	Date
1	Niklas Wanngren	0.05 s	Java	2008-09-19 10:58:37
2	NTNU Team 3	0.05 s	Java	2009-09-26 15:10:09
3	Fredrik Atmer	0.05 s	Java	2009-11-10 17:03:31
4	NTNU Team 4	0.06 s	Java	2009-09-26 14:00:49
5	Nils Merkel	0.06 s	Java	2020-06-12 13:15:38
6	Max Holmberg	0.06 s	Java	2020-09-03 12:18:12
7	NTNU Team 5	0.07 s	Java	2009-09-26 14:36:43
8	Hidden user	0.07 s	Java	2010-10-03 17:52:07
9	Karl Walfridson	0.09 s	Java	2025-01-15 16:23:56
10	Viktor Widin	0.09 s	Java	2025-01-28 16:02:45

#	User	Runtime	Language	Date
1	Felix Balthasar Berief	0.03 s	Python 2	2019-01-15 14:04:32
2	Gustaf Broström	0.03 s	Python 2	2019-10-03 23:42:08

#	User	Runtime	Language	Date
1	Fredrik Hernqvist	0.02 s	Python 3	2017-02-14 17:46:13
2	Óðinn Eyjólfsson	0.02 s	Python 3	2017-02-14 20:12:34
3	Hidden user	0.02 s	Python 3	2019-01-15 13:49:09
4	Hidden user	0.02 s	Python 3	2019-01-18 10:45:02
5	Alexander Westberg-Bladh	0.02 s	Python 3	2019-01-19 16:36:27
6	Alexander Viklund	0.02 s	Python 3	2019-01-21 12:47:36
7	Linus Eklund	0.02 s	Python 3	2019-01-23 00:29:25
8	Eric Leijonmarck	0.02 s	Python 3	2019-06-10 19:14:55
9	Andy Li	0.04 s	Python 3	2025-01-16 15:38:56
10	Elias Martinsson	0.04 s	Python 3	2025-01-19 21:27:19

#	User	Runtime	Language	Date
1	Alix Menard	0.05 s	Python 3 with NumPy	2024-01-26 16:33:47
2	Peter El Hachem	0.59 s	Python 3 with NumPy	2023-01-30 19:21:37

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-02-14 17:24:25
2	Rasmus Andersson	0.07 s	Ruby	2024-01-22 14:37:53

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2019-01-23 11:37:40
2	Hidden user	0.00 s	Rust	2019-01-28 15:48:00
3	Gustaf Bergmark	0.00 s	Rust	2023-01-18 12:48:46
4	Markus Videfors	0.00 s	Rust	2023-01-24 10:39:44
5	Rasmus Andersson	0.00 s	Rust	2024-01-18 02:04:48
6	Vincent Lagerros	0.00 s	Rust	2024-01-20 19:01:55
7	Christoffer Andersson	0.00 s	Rust	2024-01-21 19:01:12
8	Emil Hultcrantz	0.00 s	Rust	2025-01-15 20:07:01
9	Christiane Kobalt	0.00 s	Rust	2025-01-20 14:09:14

#	User	Runtime	Language	Date
1	Felix Stenberg	0.00 s	Zig	2025-01-16 23:59:43

#	User	Length	Language	Date
1	Oscar Cusin	656	C	2024-01-17 17:33:34
2	Hidden user	725	C	2008-09-23 00:44:16

#	User	Length	Language	Date
1	Anton Lyxell	429	C++	2019-01-29 09:32:36
2	Yue Jiao	499	C++	2017-02-14 20:14:49
3	Sampson Lee	541	C++	2017-02-14 17:34:32
4	Magnus Andermo	568	C++	2008-09-19 09:52:34
5	Hidden user	580	C++	2008-09-19 09:46:48
6	Phillip Gajland	599	C++	2020-09-08 11:07:20
7	Ouday Ahmed	600	C++	2024-01-19 10:02:17
8	Simon Lindholm	616	C++	2017-02-14 17:36:43
9	Marcus Östling	620	C++	2019-01-16 09:48:23
10	Marcus Forssell Stahre	621	C++	2008-09-19 09:10:04

#	User	Length	Language	Date
1	Aleksander Jan Mistewicz	1354	Go	2019-01-27 18:03:15
2	Hidden user	1515	Go	2019-05-31 08:50:57

#	User	Length	Language	Date
1	Fredrik Blomqvist	680	Haskell	2025-01-15 20:12:10
2	Tomas Möre	696	Haskell	2019-01-16 22:28:33
3	Jacob Molin	832	Haskell	2025-01-16 12:30:31
4	Isaac Arvestad	1095	Haskell	2019-01-19 19:28:23
5	Oskar Lindström	1468	Haskell	2019-01-26 20:48:28

#	User	Length	Language	Date
1	NTNU Team 5	697	Java	2009-09-26 14:36:43
2	Viktor Widin	897	Java	2025-01-28 18:58:31
3	Florian Cassayre	900	Java	2019-01-15 20:02:45
4	Rached Toukko	946	Java	2024-01-30 00:55:58
5	Hidden user	964	Java	2019-01-21 18:29:30
6	Hidden user	1034	Java	2010-10-03 17:52:07
7	Oskar Svanström	1045	Java	2023-01-22 18:23:26
8	Fredrik Atmer	1065	Java	2009-11-10 17:03:31
9	NTNU Team 4	1068	Java	2009-09-26 14:00:49
10	NTNU Team 3	1158	Java	2009-09-26 15:10:09

#	User	Length	Language	Date
1	Felix Balthasar Berief	401	Python 2	2019-01-15 14:04:32
2	Gustaf Broström	461	Python 2	2019-10-03 23:42:08

#	User	Length	Language	Date
1	Vincent Lagerros	99	Python 3	2024-01-21 17:28:31
2	Rasmus Andersson	99	Python 3	2024-01-22 14:37:34
3	Alexander Viklund	230	Python 3	2019-01-21 12:47:36
4	Harry Zhang	248	Python 3	2024-01-17 14:02:36
5	Fredrik Hernqvist	252	Python 3	2017-02-14 17:46:13
6	Óðinn Eyjólfsson	276	Python 3	2017-02-14 20:12:34
7	Andreas Wallström	311	Python 3	2020-09-04 17:02:37
8	Max Holmberg	343	Python 3	2020-08-07 07:11:37
9	Lara Sheik	416	Python 3	2020-08-25 23:14:53
10	Rikaz Nismi	520	Python 3	2023-01-18 22:39:45

#	User	Length	Language	Date
1	Alix Menard	523	Python 3 with NumPy	2024-01-26 16:33:47
2	Peter El Hachem	864	Python 3 with NumPy	2023-01-30 19:21:37

#	User	Length	Language	Date
1	Rasmus Andersson	77	Ruby	2024-01-24 11:27:51
2	Hidden user	252	Ruby	2017-02-14 17:24:25

#	User	Length	Language	Date
1	Rasmus Andersson	390	Rust	2024-01-18 02:32:05
2	Christoffer Andersson	412	Rust	2024-01-21 19:25:35
3	Markus Videfors	1077	Rust	2023-01-24 10:39:44
4	Emil Hultcrantz	1326	Rust	2025-01-15 20:07:01
5	Vincent Lagerros	1504	Rust	2024-01-20 19:01:55
6	Christiane Kobalt	1843	Rust	2025-01-20 14:09:14
7	Gustaf Bergmark	3455	Rust	2023-01-18 12:48:46
8	Hidden user	8134	Rust	2019-01-28 15:48:00
9	Hidden user	8191	Rust	2019-01-23 11:37:40

#	User	Length	Language	Date
1	Felix Stenberg	8334	Zig	2025-01-16 23:59:43

Solution running time distribution