Problem A
Fair Play — Problem Statistics

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Submissions	1122
Accepted submissions	333
Submission ratio	29.68%
Authors	336
Full solves [?]	290
Full solve Ratio	86.31%

#	User	Runtime	Language	Date
1	Marjan van den Akker	0.12 s	C#	2024-12-31 18:04:42

#	User	Runtime	Language	Date
1	Frank Endriss	0.01 s	C++	2021-11-30 14:07:11
2	Bergur Snorrason	0.02 s	C++	2021-11-24 11:04:26
3	Matei Tinca	0.03 s	C++	2021-11-16 21:14:59
4	Nicholas Foo Chuan Le	0.03 s	C++	2021-11-17 05:30:38
5	L L	0.03 s	C++	2021-11-18 09:55:43
6	Isaac Arvestad	0.03 s	C++	2021-11-18 19:05:53
7	Harrison Shen	0.03 s	C++	2021-11-20 03:02:11
8	Paul Wild	0.03 s	C++	2021-11-27 14:39:18
9	unto karila	0.03 s	C++	2021-11-29 14:25:42
10	Nguyen Xuan Tung	0.03 s	C++	2021-11-30 05:34:14

#	User	Runtime	Language	Date
1	Norbert Voelker	0.11 s	Go	2021-11-19 23:21:03

#	User	Runtime	Language	Date
1	Brent Yorgey	0.11 s	Haskell	2021-11-16 03:59:49

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.16 s	Java	2021-12-05 03:39:40
2	Doug Goodman	0.33 s	Java	2021-11-21 20:05:56
3	Bjørn Dons	0.36 s	Java	2023-02-27 20:45:21
4	Nora Steffen	0.47 s	Java	2022-01-26 17:10:21
5	Hidden user	0.52 s	Java	2022-09-12 16:03:23
6	Bas te Kolste	0.54 s	Java	2021-12-11 17:28:28
7	Ludo Pulles	0.62 s	Java	2021-11-19 10:29:43
8	Hidden user	0.64 s	Java	2025-09-03 17:04:40
9	Sam Zheng	0.72 s	Java	2021-11-23 02:56:13
10	Jayxi	0.74 s	Java	2022-10-10 14:06:26

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.27 s	JavaScript (SpiderMonkey)	2023-11-18 10:06:26
2	Bjørn Chr. Soltvedt	0.28 s	JavaScript (SpiderMonkey)	2021-11-17 00:41:58

#	User	Runtime	Language	Date
1	Timothy Gaede	1.14 s	Julia	2025-11-27 05:50:40

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

#	User	Runtime	Language	Date
1	Andreas Björklund	0.14 s	Python 2	2022-01-22 20:12:29
2	Björn Magnusson	0.15 s	Python 2	2021-11-19 13:24:09

#	User	Runtime	Language	Date
1	Jiaming Kong	0.11 s	Python 3	2025-08-07 14:34:46
2	Oskar Haarklou Veileborg	0.14 s	Python 3	2021-11-16 09:33:45
3	Erlend H Dahl	0.14 s	Python 3	2022-02-28 14:46:02
4	Christofer Ohlsson	0.15 s	Python 3	2021-11-16 20:51:29
5	Arnaud Vandaele	0.15 s	Python 3	2022-05-02 12:53:08
6	Maxime Gloesener	0.15 s	Python 3	2022-10-19 18:51:30
7	Iman Khodadi	0.15 s	Python 3	2022-11-16 06:33:27
8	Nicholas Russell Saerang	0.15 s	Python 3	2023-08-20 01:30:22
9	Vincent Tandya	0.16 s	Python 3	2021-11-16 13:35:20
10	Erik Buis	0.16 s	Python 3	2021-11-23 13:59:14

#	User	Runtime	Language	Date
1	Simon Yde	0.02 s	Rust	2025-09-03 16:12:12
2	Judith Hemp	0.03 s	Rust	2022-02-09 19:21:57
3	Yoeri Otten	0.03 s	Rust	2022-02-28 12:06:55
4	Antti Paraoanu	0.04 s	Rust	2021-11-29 14:37:40
5	Bas Dirks	0.04 s	Rust	2022-01-31 13:14:14

#	User	Runtime	Language	Date
1	Hidden user	0.18 s	Swift	2023-10-16 12:56:14

#	User	Length	Language	Date
1	Marjan van den Akker	1972	C#	2024-12-31 18:14:47

#	User	Length	Language	Date
1	Tuukka Korhonen	541	C++	2022-02-27 11:23:14
2	Victor Purice	581	C++	2022-09-17 11:53:50
3	Lucas Davi	582	C++	2025-02-04 12:33:22
4	Andrei Ionita	606	C++	2022-09-19 13:12:09
5	Matei Tinca	620	C++	2021-11-16 21:14:59
6	Dmitry Lyubshin	624	C++	2023-04-11 14:06:20
7	unto karila	644	C++	2021-11-29 14:25:42
8	Jeroen Krijgsman	666	C++	2024-10-01 12:43:51
9	Hidden user	666	C++	2025-09-24 08:06:58
10	Alexander Skidanov	670	C++	2024-12-01 15:11:05

#	User	Length	Language	Date
1	Norbert Voelker	1108	Go	2021-11-19 23:21:03

#	User	Length	Language	Date
1	Brent Yorgey	8506	Haskell	2021-11-16 03:59:49

#	User	Length	Language	Date
1	Hidden user	1206	Java	2021-12-31 22:24:07
2	Maik Dijkstra	1406	Java	2021-11-16 16:28:28
3	Ludo Pulles	1411	Java	2021-11-19 10:29:43
4	Doug Goodman	1437	Java	2021-11-21 20:05:56
5	Crystal Sharpe	1458	Java	2021-12-05 03:39:40
6	Sam Zheng	1537	Java	2021-11-23 02:56:13
7	Evan Magill	1812	Java	2022-11-08 23:08:06
8	Jayxi	2488	Java	2022-10-10 14:06:26
9	Hidden user	2589	Java	2025-09-03 17:04:40
10	Bas te Kolste	2834	Java	2021-12-11 17:28:28

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	904	JavaScript (SpiderMonkey)	2023-11-18 10:06:26
2	Bjørn Chr. Soltvedt	1273	JavaScript (SpiderMonkey)	2021-11-17 00:41:58

#	User	Length	Language	Date
1	Timothy Gaede	945	Julia	2025-11-27 05:50:40

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

#	User	Length	Language	Date
1	Andreas Björklund	711	Python 2	2022-01-22 20:12:29
2	Björn Magnusson	859	Python 2	2021-11-19 13:24:09

#	User	Length	Language	Date
1	Yong Mao	293	Python 3	2023-06-09 00:52:14
2	Lennart Meyling	312	Python 3	2023-10-19 20:49:32
3	Iman Khodadi	323	Python 3	2022-11-16 06:33:27
4	Gustavo Fadel	363	Python 3	2021-12-01 18:00:21
5	Nicholas Russell Saerang	363	Python 3	2023-08-20 01:30:22
6	Arthur Lorin	393	Python 3	2022-05-02 14:45:14
7	Hao Ye	407	Python 3	2024-09-05 10:34:59
8	Maxime Gloesener	409	Python 3	2022-10-19 18:51:30
9	alexandre dewilde	418	Python 3	2022-12-29 20:27:14
10	David Nilsson	420	Python 3	2022-01-22 08:40:04

#	User	Length	Language	Date
1	Judith Hemp	1468	Rust	2022-02-09 19:21:57
2	Yoeri Otten	2616	Rust	2022-02-28 12:06:55
3	Bas Dirks	3165	Rust	2022-01-31 13:14:14
4	Simon Yde	27221	Rust	2025-09-03 16:12:12
5	Antti Paraoanu	48987	Rust	2021-11-29 14:37:40

#	User	Length	Language	Date
1	Hidden user	1420	Swift	2023-10-16 12:56:14

Solution running time distribution