Problem B
Card Trick — Problem Statistics

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Submissions	3917
Accepted submissions	2368
Submission ratio	60.45%
Authors	2121
Full solves [?]	1977
Full solve Ratio	93.21%

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.08 s	Bash	2024-04-16 17:32:26

#	User	Runtime	Language	Date
1	Chase Oberg	0.02 s	C#	2017-12-15 01:10:10
2	Thomas Norris	0.02 s	C#	2019-09-24 15:31:08
3	Thurston Moore	0.02 s	C#	2020-06-05 13:24:31
4	Thobias Ivarsson	0.02 s	C#	2020-07-29 23:53:52
5	Anders Parsberg Wagner	0.02 s	C#	2020-10-02 18:43:15
6	Kristoffer Højelse	0.02 s	C#	2020-10-02 19:16:07
7	Pavel Mardouski	0.02 s	C#	2021-02-18 14:13:11
8	Rickard Bemm	0.02 s	C#	2021-03-21 14:43:53
9	Mikael Fiala-Lundström	0.02 s	C#	2021-03-24 20:51:00
10	Mustafa Sk	0.02 s	C#	2021-06-11 00:05:54

#	User	Runtime	Language	Date
1	Hidden user	0.01 s	Common Lisp	2019-07-23 04:51:16
2	Jinwoo Lee	0.01 s	Common Lisp	2020-09-27 17:22:13

#	User	Runtime	Language	Date
1	Morten Clausen	0.04 s	F#	2020-07-31 00:30:49
2	Simon Echers	0.04 s	F#	2022-01-18 02:19:58

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Go	2023-05-26 23:36:24
2	Albert Leung	0.00 s	Go	2024-08-17 14:46:07
3	Aleksander Jan Mistewicz	0.02 s	Go	2019-01-27 18:03:15
4	Hidden user	0.02 s	Go	2019-05-31 08:50:57
5	Jimmy Nejtron	0.02 s	Go	2020-09-29 22:07:15
6	Norbert Voelker	0.02 s	Go	2021-04-13 23:07:40
7	Krzysztof Gibuła	0.02 s	Go	2021-07-07 00:14:12
8	Jaakko Söderholm	0.07 s	Go	2021-04-22 10:50:58

#	User	Runtime	Language	Date
1	Tuomas Maanonen	0.04 s	Java	2024-10-06 08:37:03
2	Fredrik Atmer	0.05 s	Java	2009-11-10 17:03:31
3	Micah Stairs	0.05 s	Java	2017-02-15 15:11:58
4	William Fiset	0.05 s	Java	2017-02-18 02:17:37
5	James Black	0.05 s	Java	2017-02-18 17:33:36
6	Martijn Muijsers	0.05 s	Java	2017-03-01 20:46:05
7	Nick Wu	0.05 s	Java	2017-03-04 23:52:49
8	Samuel Klingström	0.05 s	Java	2017-04-30 21:56:50
9	Hidden user	0.05 s	Java	2017-05-11 22:15:27
10	Patrick Schinker	0.05 s	Java	2017-05-11 22:21:05

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.08 s	JavaScript (Node.js)	2022-08-20 15:45:34
2	Oscar Peulicke	0.41 s	JavaScript (Node.js)	2020-10-25 10:56:10
3	Chris Wong	0.41 s	JavaScript (Node.js)	2021-02-23 22:21:04
4	Andoko Chandra	0.42 s	JavaScript (Node.js)	2020-10-10 18:51:55
5	Logan Emmert	0.42 s	JavaScript (Node.js)	2021-03-15 10:35:51

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2017-02-20 22:24:20
2	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2017-07-11 09:39:05
3	Peter Menyes	0.02 s	JavaScript (SpiderMonkey)	2021-08-20 19:36:34
4	Christian Pilegaard Cederquist	0.02 s	JavaScript (SpiderMonkey)	2022-10-23 20:39:39
5	Jimmy Gustafsson	0.02 s	JavaScript (SpiderMonkey)	2024-08-13 22:39:58

#	User	Runtime	Language	Date
1	Timothy Gaede	0.57 s	Julia	2024-06-11 11:47:07

#	User	Runtime	Language	Date
1	Johnny Baloney	0.13 s	Kotlin	2022-02-12 16:22:09
2	Jacob Huebner	0.14 s	Kotlin	2020-03-05 06:26:20
3	James WIlliams	0.15 s	Kotlin	2020-12-29 08:30:15
4	Hidden user	0.16 s	Kotlin	2019-12-30 09:32:30
5	Stefan Kennedy	0.17 s	Kotlin	2017-12-07 18:39:18
6	Adam Rankin	0.17 s	Kotlin	2023-09-13 06:08:57
7	Emil Wihlander	0.19 s	Kotlin	2023-07-28 16:15:30
8	Adam Koprowski	0.20 s	Kotlin	2020-11-08 22:09:38
9	Alexandre Conte	0.20 s	Kotlin	2021-08-23 21:58:17
10	Neil Harmon	0.21 s	Kotlin	2019-04-30 12:00:42

#	User	Runtime	Language	Date
1	Shehab Ahmed Hatem	0.00 s	Lua	2023-11-13 22:57:33

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2017-09-28 08:43:48

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.01 s	Prolog	2018-11-18 11:43:35
2	Hakan Kjellerstrand	0.02 s	Prolog	2023-02-14 19:10:12

#	User	Runtime	Language	Date
1	Tomas Alvarez	0.02 s	Python 2	2017-03-26 23:11:25
2	Christofer Ohlsson	0.02 s	Python 2	2017-05-08 21:52:59
3	Çağdaş Öztekin	0.02 s	Python 2	2017-09-08 11:18:55
4	Andrei Stoica	0.02 s	Python 2	2017-11-29 02:30:58
5	Cheng Hang	0.02 s	Python 2	2018-01-08 03:20:23
6	Lim Hong Hui Eugene	0.02 s	Python 2	2018-05-02 05:11:37
7	Muzakhir Amanzholov	0.03 s	Python 2	2017-03-05 07:50:19
8	Daniel Strizhevsky	0.03 s	Python 2	2017-06-06 08:35:53
9	Michael Pfeifer	0.03 s	Python 2	2017-06-08 05:12:29
10	Sala Gabriel	0.03 s	Python 2	2017-08-03 17:25:44

#	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	Herman Karlsson	0.02 s	Python 3	2017-02-17 21:38:19
4	Wayne	0.02 s	Python 3	2017-03-19 21:19:39
5	Arnar Bjarni Arnarson	0.02 s	Python 3	2017-04-05 17:46:19
6	Martin Jackson	0.02 s	Python 3	2017-05-13 14:18:45
7	Ciara Godwin	0.02 s	Python 3	2017-05-29 01:45:45
8	Lucas Ljungberg	0.02 s	Python 3	2017-06-02 01:14:31
9	Денис Соболев	0.02 s	Python 3	2017-07-05 23:23:51
10	Cian Ruane	0.02 s	Python 3	2017-08-06 17:33:24

#	User	Runtime	Language	Date
1	Hidden user	0.03 s	Ruby	2017-02-14 17:24:25
2	Hidden user	0.05 s	Ruby	2021-04-13 10:51:23
3	Thomas Feld	0.06 s	Ruby	2023-03-31 09:58:18
4	Rasmus Andersson	0.07 s	Ruby	2024-01-22 14:37:53
5	Frederik Petersen	0.07 s	Ruby	2024-04-02 13:08:45
6	Sabina Dahal	0.07 s	Ruby	2025-05-14 22:47:33

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

#	User	Length	Language	Date
1	Chenzhang Hu	1584	Bash	2024-04-16 17:32:26

#	User	Length	Language	Date
1	Johan Öhlin	459	C	2017-10-05 08:48:50
2	Magnus Wass	463	C	2020-07-02 18:10:20
3	Axel Matstoms	481	C	2024-09-18 22:56:05
4	Thăng Nhựt	487	C	2020-12-26 17:02:44
5	Vinicius Vellenick Zanotti	505	C	2025-04-28 00:46:14
6	Ivan Petrov	580	C	2019-01-23 10:26:36
7	Oscar Cusin	656	C	2024-01-17 17:33:34
8	PhilCampbell	700	C	2021-01-12 17:29:23
9	Mikael K Eriksson	723	C	2021-01-20 18:04:05
10	Hidden user	725	C	2008-09-23 00:44:16

#	User	Length	Language	Date
1	Aaron Michael	516	C#	2023-08-22 18:21:34
2	Thomas Norris	658	C#	2019-09-24 15:31:08
3	Hidden user	689	C#	2025-12-01 09:23:14
4	Jesper Lundin	813	C#	2021-11-04 17:10:18
5	Steven Heinen	842	C#	2023-04-19 16:04:52
6	Göran Andersson	862	C#	2022-05-15 18:55:16
7	Thobias Ivarsson	932	C#	2020-07-29 23:53:52
8	Pavel Mardouski	940	C#	2021-02-18 14:13:11
9	Leo Benkelius Sven Eriksonsgymnasiet TE24SP	966	C#	2025-11-11 15:13:32
10	Lukas P.	1014	C#	2026-03-04 16:33:46

#	User	Length	Language	Date
1	Anna Roczek	374	C++	2023-08-20 12:15:37
2	Vance	378	C++	2019-11-07 19:44:46
3	Mangesh Sakordekar	382	C++	2022-09-10 20:07:47
4	Frederick Pek	383	C++	2021-06-05 20:00:46
5	Geoff Hagopian	390	C++	2019-11-07 19:50:45
6	Hidden user	393	C++	2021-08-02 14:04:03
7	Ng Tek In	402	C++	2018-03-14 15:20:46
8	206 13李祐瑞	410	C++	2025-02-01 06:45:49
9	Hidden user	415	C++	2022-09-10 19:34:57
10	Benjamin Lehmann	422	C++	2021-01-30 03:54:14

#	User	Length	Language	Date
1	Jinwoo Lee	749	Common Lisp	2020-09-27 17:22:13
2	Hidden user	889	Common Lisp	2019-07-23 04:51:16

#	User	Length	Language	Date
1	Simon Echers	458	F#	2022-01-18 02:19:58
2	Morten Clausen	509	F#	2020-07-31 00:30:49

#	User	Length	Language	Date
1	Hidden user	462	Go	2023-05-26 23:36:24
2	Krzysztof Gibuła	695	Go	2021-07-07 00:14:12
3	Jaakko Söderholm	851	Go	2021-04-22 10:50:58
4	Norbert Voelker	1059	Go	2021-04-13 23:07:40
5	Aleksander Jan Mistewicz	1354	Go	2019-01-27 18:03:15
6	Hidden user	1515	Go	2019-05-31 08:50:57
7	Albert Leung	1858	Go	2024-08-17 14:46:07
8	Jimmy Nejtron	3143	Go	2020-09-29 22:07:15

#	User	Length	Language	Date
1	Jan Hlavacek	401	Haskell	2017-02-15 04:39:51
2	Matthew A Johnson	414	Haskell	2018-03-07 03:00:12
3	Sebastian Paaske Tørholm	452	Haskell	2022-12-25 21:40:24
4	Emil Østergaard	506	Haskell	2020-10-02 19:10:28
5	Hidden user	528	Haskell	2019-08-24 13:22:26
6	César Antonio Carvajal de la Haza	557	Haskell	2017-06-10 15:21:52
7	Samuel Härner	561	Haskell	2021-06-06 17:35:07
8	Jan Hrček	662	Haskell	2020-11-07 14:30:59
9	Tomas Möre	696	Haskell	2019-01-16 22:28:33
10	Matt Jonson	726	Haskell	2020-07-11 11:37:55

#	User	Length	Language	Date
1	Huang Jianbin	511	Java	2019-09-16 10:28:57
2	Ong Ghim Hwee Claire	546	Java	2019-09-16 08:33:37
3	Ryan Chng Wei Han	548	Java	2019-09-16 02:36:11
4	Hidden user	550	Java	2019-09-16 08:54:39
5	Ng Ying Jie	556	Java	2019-09-16 09:15:43
6	Mani Mekala Sharad Hosur	568	Java	2019-09-16 07:09:33
7	Caeden Whitaker	573	Java	2020-07-07 04:52:12
8	Ho Jheng-Yuan	579	Java	2019-09-16 07:48:44
9	Prakash Sanyasi	582	Java	2017-04-08 08:30:18
10	Koh Kai Eek	602	Java	2019-09-16 07:55:29

#	User	Length	Language	Date
1	Oscar Peulicke	586	JavaScript (Node.js)	2020-10-25 10:56:10
2	Chris Wong	721	JavaScript (Node.js)	2021-02-23 22:21:04
3	Samuel Högfeldt	851	JavaScript (Node.js)	2022-08-20 15:45:34
4	Logan Emmert	870	JavaScript (Node.js)	2021-03-15 10:35:51
5	Andoko Chandra	1284	JavaScript (Node.js)	2020-10-10 18:51:55

#	User	Length	Language	Date
1	Jimmy Gustafsson	153	JavaScript (SpiderMonkey)	2024-08-13 22:39:58
2	Peter Menyes	215	JavaScript (SpiderMonkey)	2021-08-20 19:36:34
3	Bjørn Chr. Soltvedt	344	JavaScript (SpiderMonkey)	2017-02-20 22:24:20
4	Peter Kedemo	400	JavaScript (SpiderMonkey)	2017-07-11 09:39:05
5	Christian Pilegaard Cederquist	789	JavaScript (SpiderMonkey)	2022-10-23 20:39:39

#	User	Length	Language	Date
1	Timothy Gaede	861	Julia	2024-06-11 11:47:07

#	User	Length	Language	Date
1	Troy Warmboe	418	Kotlin	2020-02-06 23:36:52
2	Alexandre Conte	427	Kotlin	2021-08-23 21:58:17
3	Emil Wihlander	452	Kotlin	2023-07-28 16:15:30
4	Adam Koprowski	502	Kotlin	2020-11-08 22:09:38
5	Stefan Kennedy	658	Kotlin	2017-12-07 18:39:18
6	Adam Rankin	781	Kotlin	2023-09-13 06:08:57
7	Johnny Baloney	831	Kotlin	2022-02-12 16:22:09
8	Neil Harmon	867	Kotlin	2019-04-30 12:00:42
9	Jacob Huebner	956	Kotlin	2020-03-05 06:26:20
10	Hidden user	1262	Kotlin	2019-12-30 09:32:30

#	User	Length	Language	Date
1	Shehab Ahmed Hatem	365	Lua	2023-11-13 22:57:33

#	User	Length	Language	Date
1	Ingemar Ragnemalm	734	Pascal	2017-09-28 08:43:48

#	User	Length	Language	Date
1	Hakan Kjellerstrand	512	Prolog	2023-02-14 19:10:12
2	Andriy Zyevakov	568	Prolog	2018-11-18 11:43:35

#	User	Length	Language	Date
1	Thomas Feld	182	Python 2	2019-08-30 13:41:59
2	Hidden user	253	Python 2	2018-01-05 10:00:18
3	Lim Hong Hui Eugene	256	Python 2	2018-05-02 05:11:37
4	Andreas Björklund	256	Python 2	2019-03-06 20:34:00
5	Johan Lyts	266	Python 2	2019-07-03 21:51:41
6	Jesper Öqvist	276	Python 2	2018-10-22 18:12:38
7	Björn Magnusson	299	Python 2	2021-01-22 15:50:34
8	Hidden user	328	Python 2	2019-09-21 05:23:19
9	Daniel Strizhevsky	344	Python 2	2017-06-06 08:35:53
10	Sigurður Jens Albertsson	355	Python 2	2019-11-28 23:29:03

#	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	Sander Oppen	148	Python 3	2024-02-23 11:37:20
4	Chung Yan Chow	157	Python 3	2026-02-21 02:11:20
5	Yong Mao	168	Python 3	2023-04-14 13:56:12
6	Herman Karlsson	178	Python 3	2017-02-17 21:38:19
7	Ahmed Chamseddine	180	Python 3	2024-08-08 13:26:53
8	Marcus Xu	182	Python 3	2021-12-20 11:17:09
9	Kenneth Jensen	184	Python 3	2021-07-20 13:33:20
10	Thibault Raffaillac	189	Python 3	2021-03-28 17:32:42

#	User	Length	Language	Date
1	Rasmus Andersson	77	Ruby	2024-01-24 11:27:51
2	Thomas Feld	87	Ruby	2023-03-31 09:59:07
3	Hidden user	152	Ruby	2021-04-13 10:51:23
4	Sabina Dahal	240	Ruby	2025-05-14 22:47:33
5	Hidden user	252	Ruby	2017-02-14 17:24:25
6	Frederik Petersen	374	Ruby	2024-04-02 13:08:45

#	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	David Rasch	567	Rust	2023-08-15 14:36:55
4	Morten Raeburn	660	Rust	2021-11-28 00:34:43
5	Bas Dirks	697	Rust	2022-02-16 15:16:19
6	Danial Haseeb	698	Rust	2023-09-14 12:03:13
7	Bengt Ericsson	797	Rust	2023-08-02 21:47:01
8	Isak Jägberg	881	Rust	2024-11-01 15:59:43
9	Ishtiaq Hussain Naqi	918	Rust	2023-09-16 22:42:20
10	Freek van Keulen	976	Rust	2021-07-24 09:36:47

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

Solution running time distribution