Problem B
Card Magic — Problem Statistics

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Submissions	1391
Accepted submissions	484
Submission ratio	34.80%
Authors	391
Full solves [?]	340
Full solve Ratio	86.96%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.02 s	C	2020-02-24 13:33:03
2	Hidden user	0.03 s	C	2023-11-04 21:37:10
3	Bergur Snorrason	0.07 s	C	2020-03-04 14:57:33
4	Jacob Gummesson Atroshi	0.11 s	C	2020-05-05 21:37:14
5	Sanjiv Dinakar	0.45 s	C	2023-06-06 09:45:14

#	User	Runtime	Language	Date
1	Per Soderberg	0.06 s	C#	2025-03-17 23:30:35

#	User	Runtime	Language	Date
1	Sean Wenström	0.00 s	C++	2017-09-30 12:22:58
2	Michal Horemuz	0.00 s	C++	2017-10-02 22:16:49
3	Robert Cummings	0.00 s	C++	2018-01-05 21:22:57
4	Joshua Andersson	0.00 s	C++	2022-10-26 15:44:30
5	Kelly Dance	0.00 s	C++	2023-01-02 06:06:03
6	Brandon Zhang	0.00 s	C++	2023-11-14 07:31:49
7	Ng Mi Hi	0.00 s	C++	2025-08-24 00:23:24
8	Elias Lousseief	0.01 s	C++	2017-09-30 13:22:48
9	YanHao Ling	0.01 s	C++	2018-01-03 04:42:54
10	Shashank Bhatt	0.01 s	C++	2023-01-02 06:07:11

#	User	Runtime	Language	Date
1	Adam Engsig	0.11 s	Go	2023-05-11 11:15:15

#	User	Runtime	Language	Date
1	Hidden user	0.17 s	Haskell	2022-01-20 04:05:09

#	User	Runtime	Language	Date
1	Terrence Park	0.07 s	Java	2017-12-13 03:32:01
2	Andreas Jansson	0.07 s	Java	2018-09-27 19:47:02
3	Liam Keliher	0.08 s	Java	2016-10-29 05:53:28
4	Elias Andersson	0.11 s	Java	2016-10-21 13:58:32
5	Felix De Silva	0.11 s	Java	2017-09-28 10:17:29
6	Steven Sun	0.11 s	Java	2025-08-24 22:13:49
7	Micah Stairs	0.12 s	Java	2016-11-17 00:44:14
8	William Fiset	0.12 s	Java	2016-11-17 01:35:44
9	Martin Engelin	0.12 s	Java	2017-09-30 15:11:25
10	Xuehui Chen	0.12 s	Java	2018-07-31 03:50:11

#	User	Runtime	Language	Date
1	Christian Cederquist	0.11 s	JavaScript (SpiderMonkey)	2023-11-01 21:26:35

#	User	Runtime	Language	Date
1	Timothy Gaede	0.59 s	Julia	2024-07-09 07:09:29

#	User	Runtime	Language	Date
1	Jade Burke	0.30 s	Kotlin	2025-08-26 23:18:42

#	User	Runtime	Language	Date
1	a_b__c	0.21 s	Pascal	2021-03-23 13:56:19

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.13 s	Python 2	2019-08-28 16:08:05
2	Måns Magnusson	0.14 s	Python 2	2018-07-30 01:58:27
3	Lars Åström	0.19 s	Python 2	2018-08-01 23:30:39
4	Andreas Björklund	0.25 s	Python 2	2019-05-27 07:03:39
5	Maj Stenmark	0.32 s	Python 2	2018-09-27 21:13:28
6	Auburn Ford	0.39 s	Python 2	2019-01-22 04:12:24
7	Hidden user	0.59 s	Python 2	2018-01-05 09:12:47
8	Daniel Strizhevsky	0.99 s	Python 2	2017-10-07 07:19:01
9	Jesper Öqvist	0.99 s	Python 2	2018-09-27 19:39:34

#	User	Runtime	Language	Date
1	Harry Zhang	0.06 s	Python 3	2025-03-21 17:12:12
2	Charlie Lin	0.06 s	Python 3	2025-04-01 18:18:00
3	Jiaming Kong	0.06 s	Python 3	2025-08-07 16:08:33
4	Dharanidharan M	0.08 s	Python 3	2025-09-03 15:57:18
5	Linh B. Ngo	0.09 s	Python 3	2024-03-15 19:30:48
6	Aaron Duda	0.09 s	Python 3	2025-04-04 21:21:04
7	Lawry Sorenson	0.11 s	Python 3	2025-03-14 01:48:59
8	Luke Liu	0.11 s	Python 3	2025-08-25 23:50:07
9	Meng Siong Hwee	0.12 s	Python 3	2022-11-25 06:41:41
10	Jan Liu	0.14 s	Python 3	2019-04-30 14:19:16

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-08-24 22:33:22
2	Hidden user	0.05 s	Rust	2025-02-02 17:55:00
3	Simon Schwartz	0.10 s	Rust	2025-04-01 20:39:15

#	User	Length	Language	Date
1	Jacob Gummesson Atroshi	464	C	2020-05-05 21:37:14
2	Bergur Snorrason	511	C	2021-03-19 10:49:15
3	Hidden user	592	C	2023-11-04 21:37:10
4	Ivan Petrov	694	C	2020-02-24 13:33:03
5	Sanjiv Dinakar	2913	C	2023-06-06 09:45:14

#	User	Length	Language	Date
1	Per Soderberg	1212	C#	2025-03-17 23:30:35

#	User	Length	Language	Date
1	William Gan	318	C++	2018-04-14 10:46:55
2	Ryan Chew	341	C++	2019-01-04 11:13:18
3	Johan Wind	349	C++	2018-03-26 20:41:58
4	Jiang Yue	361	C++	2018-02-06 10:40:56
5	Johan Sannemo	372	C++	2016-10-21 14:23:42
6	Simone Moretti	382	C++	2021-11-27 19:50:19
7	Teikn Smith	384	C++	2024-06-23 04:07:13
8	Matteo Zappia	386	C++	2021-11-27 21:38:04
9	Abhishek	399	C++	2019-12-30 21:23:35
10	Markus Mathiasen	407	C++	2021-10-01 15:32:43

#	User	Length	Language	Date
1	Adam Engsig	5679	Go	2021-05-02 09:24:19

#	User	Length	Language	Date
1	Hidden user	1122	Haskell	2022-01-20 04:05:09

#	User	Length	Language	Date
1	Xuehui Chen	616	Java	2018-07-31 03:50:11
2	Roland Haase	671	Java	2016-10-29 14:34:23
3	Doug Goodman	685	Java	2017-09-12 20:50:45
4	Arjun Thillairajah	715	Java	2025-03-26 17:38:22
5	Joshua Fair	732	Java	2021-09-18 15:22:17
6	Michael Bradet-Legris	737	Java	2017-04-22 02:01:09
7	Vikram Gopali	739	Java	2019-08-29 08:58:49
8	Akshay Iyer	745	Java	2025-04-03 08:20:57
9	Micah Stairs	757	Java	2016-11-17 00:40:43
10	Björn Magnusson	769	Java	2017-03-04 17:49:55

#	User	Length	Language	Date
1	Christian Cederquist	433	JavaScript (SpiderMonkey)	2023-11-01 21:26:35

#	User	Length	Language	Date
1	Timothy Gaede	917	Julia	2024-07-09 07:09:29

#	User	Length	Language	Date
1	Jade Burke	929	Kotlin	2025-08-26 23:18:42

#	User	Length	Language	Date
1	a_b__c	316	Pascal	2021-03-23 13:56:19

#	User	Length	Language	Date
1	Andreas Björklund	246	Python 2	2019-05-27 07:03:39
2	Lars Åström	280	Python 2	2018-08-01 23:30:39
3	Måns Magnusson	295	Python 2	2018-07-30 01:58:27
4	Maj Stenmark	349	Python 2	2018-09-27 21:13:28
5	Jesper Öqvist	368	Python 2	2018-09-27 19:39:34
6	Oskar Haarklou Veileborg	379	Python 2	2019-08-28 16:08:05
7	Hidden user	448	Python 2	2018-01-05 09:12:47
8	Auburn Ford	594	Python 2	2019-01-22 04:12:24
9	Daniel Strizhevsky	631	Python 2	2017-10-07 07:19:01

#	User	Length	Language	Date
1	Hidden user	245	Python 3	2024-03-13 09:46:45
2	Johan Nordstrand	276	Python 3	2019-08-24 19:56:49
3	Lawry Sorenson	281	Python 3	2025-03-14 01:48:59
4	Nicola Maritan	315	Python 3	2022-11-01 09:16:31
5	Thibault Raffaillac	335	Python 3	2019-10-03 09:50:12
6	Jason Oliphant	351	Python 3	2025-03-14 01:47:33
7	Claudia Berlin	352	Python 3	2024-07-20 21:37:55
8	Felix Fatum	359	Python 3	2025-05-06 14:38:39
9	Lucas Patten	368	Python 3	2024-05-28 19:03:32
10	Hidden user	373	Python 3	2021-03-11 15:35:08

#	User	Length	Language	Date
1	Vincent Lagerros	788	Rust	2024-08-24 22:19:35
2	Simon Schwartz	822	Rust	2025-04-01 20:39:15
3	Hidden user	6058	Rust	2025-02-02 17:55:00

Solution running time distribution