Problem A
Arcade! — Problem Statistics

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Submissions	1528
Accepted submissions	329
Submission ratio	21.53%
Authors	264
Accepted authors	201
Author ratio	76.14%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.04 s	C	2019-08-15 15:14:49
2	Bergur Snorrason	0.05 s	C	2019-02-26 13:59:23
3	Hidden user	0.41 s	C	2017-09-11 22:20:08

#	User	Runtime	Language	Date
1	Ilia Volkov	0.77 s	C#	2016-10-19 20:36:19

#	User	Runtime	Language	Date
1	Dominic Wynter	0.01 s	C++	2016-09-24 19:03:55
2	Hidden user	0.01 s	C++	2016-09-24 20:57:35
3	Qiyang Li	0.01 s	C++	2016-09-24 22:08:41
4	Yilei An	0.01 s	C++	2016-09-24 22:17:04
5	Renato Ferreira	0.01 s	C++	2016-09-25 00:40:06
6	Ojas Deshpande	0.01 s	C++	2016-09-25 18:54:49
7	Hanxue Ji	0.01 s	C++	2016-10-24 05:05:04
8	Henry Xia	0.01 s	C++	2017-10-03 17:41:53
9	Tanzir Islam	0.01 s	C++	2017-11-30 21:06:05
10	Niklas Sandén	0.01 s	C++	2023-04-26 23:23:56

#	User	Runtime	Language	Date
1	Måns Magnusson	0.13 s	Java	2016-09-24 22:44:14
2	Hugo Eberhard	0.13 s	Java	2016-09-25 02:16:48
3	Björn Magnusson	0.13 s	Java	2016-09-25 13:30:00
4	Ronald Rojas	0.13 s	Java	2017-10-01 20:39:52
5	Finn Lidbetter	0.14 s	Java	2016-09-26 01:53:06
6	Bjørn Dons	0.14 s	Java	2024-01-04 21:21:31
7	Robin Hui	0.15 s	Java	2016-09-24 22:58:35
8	Andrew Polizzotto	0.15 s	Java	2020-08-04 06:09:42
9	Doug Goodman	0.22 s	Java	2017-08-26 16:23:40
10	Jeffrey Xiao	0.23 s	Java	2016-09-28 03:00:19

#	User	Runtime	Language	Date
1	Jacob Huebner	0.23 s	Kotlin	2022-01-26 19:44:12

#	User	Runtime	Language	Date
1	Godmar Back	0.49 s	Python 2	2016-09-24 19:08:56
2	Chinmay Viraj Raut	1.12 s	Python 2	2019-11-02 22:01:33
3	Olav Røthe Bakken	2.93 s	Python 2	2019-08-29 15:29:18

#	User	Runtime	Language	Date
1	Isaac Lee	0.12 s	Python 3	2020-04-21 06:04:21
2	Oskar Haarklou Veileborg	0.23 s	Python 3	2021-01-11 11:33:14
3	Duoduo Zhao	0.67 s	Python 3	2025-07-09 14:22:07
4	alexandre dewilde	0.82 s	Python 3	2023-08-10 14:45:17
5	Casper Rysgaard	0.84 s	Python 3	2023-01-18 22:20:01
6	Nicholas Russell Saerang	0.91 s	Python 3	2025-06-12 22:02:09
7	Maj Stenmark	1.47 s	Python 3	2022-02-23 20:43:24
8	John Smith	1.71 s	Python 3	2018-08-14 07:38:49
9	Hidden user	2.37 s	Python 3	2023-02-25 16:45:23
10	Lennart Meyling	2.40 s	Python 3	2024-06-24 21:16:31

#	User	Length	Language	Date
1	Ivan Petrov	1498	C	2019-08-15 15:14:49
2	Hidden user	2132	C	2017-09-11 22:20:08
3	Bergur Snorrason	3649	C	2019-02-26 13:59:23

#	User	Length	Language	Date
1	Ilia Volkov	3355	C#	2016-10-19 20:43:51

#	User	Length	Language	Date
1	Rene Josiah M. Quinto	1054	C++	2017-07-29 07:48:30
2	Johan Wind	1096	C++	2018-10-08 18:27:53
3	Ojas Deshpande	1111	C++	2016-09-25 18:54:49
4	Juha Harviainen	1206	C++	2016-10-01 15:54:29
5	Mathias Gernez	1223	C++	2023-08-17 16:25:12
6	Farbod Yadegarian	1251	C++	2016-09-24 22:53:25
7	Taiqi He	1260	C++	2017-10-21 10:56:37
8	Daniel Du	1304	C++	2016-09-24 21:13:16
9	Xuanhao Cui	1318	C++	2023-01-15 00:18:34
10	Dominic Wynter	1359	C++	2016-09-24 19:03:55

#	User	Length	Language	Date
1	Doug Goodman	1175	Java	2017-08-26 16:23:40
2	Zachary Polansky	1486	Java	2016-09-24 21:27:13
3	Joshua Cook	1534	Java	2016-09-24 22:52:15
4	Arup Ratan Guha	1774	Java	2016-10-11 23:24:06
5	Matthew Slane	1983	Java	2017-10-09 01:02:12
6	Lewin Gan	2080	Java	2016-09-24 20:09:42
7	Jiru Xu	2091	Java	2016-09-29 16:34:44
8	Darrin Wiley	2138	Java	2016-09-27 10:04:51
9	Quan Chau	2158	Java	2017-09-23 06:35:47
10	Arun Ganesh	2179	Java	2016-09-24 22:56:57

#	User	Length	Language	Date
1	Jacob Huebner	3652	Kotlin	2022-01-16 07:02:33

#	User	Length	Language	Date
1	Olav Røthe Bakken	922	Python 2	2019-08-29 15:29:18
2	Godmar Back	2295	Python 2	2016-09-24 19:08:56
3	Chinmay Viraj Raut	3054	Python 2	2019-11-02 21:46:49

#	User	Length	Language	Date
1	Lennart Meyling	791	Python 3	2024-06-24 21:16:31
2	Oskar Haarklou Veileborg	850	Python 3	2021-01-11 11:33:14
3	alexandre dewilde	1120	Python 3	2023-08-10 14:45:17
4	Isaac Lee	1255	Python 3	2020-04-21 06:04:21
5	Casper Rysgaard	1305	Python 3	2023-01-18 22:20:01
6	John Smith	1549	Python 3	2018-08-14 07:30:53
7	Hidden user	1965	Python 3	2023-02-25 16:45:23
8	Maj Stenmark	2009	Python 3	2022-02-23 20:43:24
9	Nicholas Russell Saerang	2078	Python 3	2025-06-12 22:02:09
10	Duoduo Zhao	2370	Python 3	2025-07-09 14:22:07

Solution running time distribution