Problem A
Fair Play — Problem Statistics

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Submissions	1101
Accepted submissions	324
Submission ratio	29.43%
Authors	328
Full solves [?]	282
Full solve Ratio	85.98%

#	User	Runtime	Language	Date
1	Marjan van den Akker	0.12 s	C#	2024-12-31 19:04:42

#	User	Runtime	Language	Date
1	Frank Endriss	0.01 s	C++	2021-11-30 15:07:11
2	Bergur Snorrason	0.02 s	C++	2021-11-24 12:04:26
3	Matei Tinca	0.03 s	C++	2021-11-16 22:14:59
4	Nicholas Foo Chuan Le	0.03 s	C++	2021-11-17 06:30:38
5	L L	0.03 s	C++	2021-11-18 10:55:43
6	Isaac Arvestad	0.03 s	C++	2021-11-18 20:05:53
7	Harrison Shen	0.03 s	C++	2021-11-20 04:02:11
8	Paul Wild	0.03 s	C++	2021-11-27 15:39:18
9	unto karila	0.03 s	C++	2021-11-29 15:25:42
10	Nguyen Xuan Tung	0.03 s	C++	2021-11-30 06:34:14

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-11-20 00:21:03

#	User	Runtime	Language	Date
1	Brent Yorgey	0.11 s	Haskell	2021-11-16 04:59:49

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.16 s	Java	2021-12-05 04:39:40
2	Doug Goodman	0.33 s	Java	2021-11-21 21:05:56
3	Bjørn Dons	0.36 s	Java	2023-02-27 21:45:21
4	Nora Steffen	0.47 s	Java	2022-01-26 18:10:21
5	Hidden user	0.52 s	Java	2022-09-12 18:03:23
6	Bas te Kolste	0.54 s	Java	2021-12-11 18:28:28
7	Ludo Pulles	0.62 s	Java	2021-11-19 11:29:43
8	Hidden user	0.64 s	Java	2025-09-03 19:04:40
9	Sam Zheng	0.72 s	Java	2021-11-23 03:56:13
10	Jayxi	0.74 s	Java	2022-10-10 16:06:26

#	User	Runtime	Language	Date
1	Christian Cederquist	0.27 s	JavaScript (SpiderMonkey)	2023-11-18 11:06:26
2	Bjørn Chr. Soltvedt	0.28 s	JavaScript (SpiderMonkey)	2021-11-17 01:41:58

#	User	Runtime	Language	Date
1	Jacob Huebner	0.36 s	Kotlin	2022-02-23 00:39:20
2	Nicholas Johnson	0.41 s	Kotlin	2022-02-21 21:22:50

#	User	Runtime	Language	Date
1	Andreas Björklund	0.14 s	Python 2	2022-01-22 21:12:29
2	Björn Magnusson	0.15 s	Python 2	2021-11-19 14:24:09

#	User	Runtime	Language	Date
1	Jiaming Kong	0.11 s	Python 3	2025-08-07 16:34:46
2	Oskar Haarklou Veileborg	0.14 s	Python 3	2021-11-16 10:33:45
3	Erlend H Dahl	0.14 s	Python 3	2022-02-28 15:46:02
4	Duoduo Zhao	0.14 s	Python 3	2025-07-01 07:48:54
5	Christofer Ohlsson	0.15 s	Python 3	2021-11-16 21:51:29
6	Arnaud Vandaele	0.15 s	Python 3	2022-05-02 14:53:08
7	Maxime Gloesener	0.15 s	Python 3	2022-10-19 20:51:30
8	Iman Khodadi	0.15 s	Python 3	2022-11-16 07:33:27
9	Hidden user	0.15 s	Python 3	2023-08-20 03:30:22
10	Vincent Tandya	0.16 s	Python 3	2021-11-16 14:35:20

#	User	Runtime	Language	Date
1	Simon Yde	0.02 s	Rust	2025-09-03 18:12:12
2	Judith Hemp	0.03 s	Rust	2022-02-09 20:21:57
3	Yoeri Otten	0.03 s	Rust	2022-02-28 13:06:55
4	Antti Paraoanu	0.04 s	Rust	2021-11-29 15:37:40
5	Bas Dirks	0.04 s	Rust	2022-01-31 14:14:14

#	User	Runtime	Language	Date
1	Hidden user	0.18 s	Swift	2023-10-16 14:56:14

#	User	Length	Language	Date
1	Marjan van den Akker	1972	C#	2024-12-31 19:14:47

#	User	Length	Language	Date
1	Tuukka Korhonen	541	C++	2022-02-27 12:23:14
2	Victor Purice	581	C++	2022-09-17 13:53:50
3	Lucas Davi	582	C++	2025-02-04 13:33:22
4	Andrei Ionita	606	C++	2022-09-19 15:12:09
5	Matei Tinca	620	C++	2021-11-16 22:14:59
6	Dmitry Lyubshin	624	C++	2023-04-11 16:06:20
7	unto karila	644	C++	2021-11-29 15:25:42
8	Jeroen Krijgsman	666	C++	2024-10-01 14:43:51
9	Alexander Skidanov	670	C++	2024-12-01 16:11:05
10	Nguyen Xuan Tung	677	C++	2021-11-30 06:34:14

#	User	Length	Language	Date
1	Norbert Voelker	1108	Go	2021-11-20 00:21:03

#	User	Length	Language	Date
1	Brent Yorgey	8506	Haskell	2021-11-16 04:59:49

#	User	Length	Language	Date
1	Hidden user	1206	Java	2021-12-31 23:24:07
2	Maik Dijkstra	1406	Java	2021-11-16 17:28:28
3	Ludo Pulles	1411	Java	2021-11-19 11:29:43
4	Doug Goodman	1437	Java	2021-11-21 21:05:56
5	Crystal Sharpe	1458	Java	2021-12-05 04:39:40
6	Sam Zheng	1537	Java	2021-11-23 03:56:13
7	Evan Magill	1812	Java	2022-11-09 00:08:06
8	Jayxi	2488	Java	2022-10-10 16:06:26
9	Hidden user	2589	Java	2025-09-03 19:04:40
10	Bas te Kolste	2834	Java	2021-12-11 18:28:28

#	User	Length	Language	Date
1	Christian Cederquist	904	JavaScript (SpiderMonkey)	2023-11-18 11:06:26
2	Bjørn Chr. Soltvedt	1273	JavaScript (SpiderMonkey)	2021-11-17 01:41:58

#	User	Length	Language	Date
1	Jacob Huebner	2124	Kotlin	2022-02-23 00:39:20
2	Nicholas Johnson	2751	Kotlin	2022-02-21 21:22:50

#	User	Length	Language	Date
1	Andreas Björklund	711	Python 2	2022-01-22 21:12:29
2	Björn Magnusson	859	Python 2	2021-11-19 14:24:09

#	User	Length	Language	Date
1	Yong Mao	293	Python 3	2023-06-09 02:52:14
2	Lennart Meyling	312	Python 3	2023-10-19 22:49:32
3	Iman Khodadi	323	Python 3	2022-11-16 07:33:27
4	Gustavo Fadel	363	Python 3	2021-12-01 19:00:21
5	Hidden user	363	Python 3	2023-08-20 03:30:22
6	Arthur Lorin	393	Python 3	2022-05-02 16:45:14
7	Hao Ye	407	Python 3	2024-09-05 12:34:59
8	Maxime Gloesener	409	Python 3	2022-10-19 20:51:30
9	alexandre dewilde	418	Python 3	2022-12-29 21:27:14
10	David Nilsson	420	Python 3	2022-01-22 09:40:04

#	User	Length	Language	Date
1	Judith Hemp	1468	Rust	2022-02-09 20:21:57
2	Yoeri Otten	2616	Rust	2022-02-28 13:06:55
3	Bas Dirks	3165	Rust	2022-01-31 14:14:14
4	Simon Yde	27221	Rust	2025-09-03 18:12:12
5	Antti Paraoanu	48987	Rust	2021-11-29 15:37:40

#	User	Length	Language	Date
1	Hidden user	1420	Swift	2023-10-16 14:56:14

Solution running time distribution