Problem A
Perica — Problem Statistics

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Submissions	1963
Accepted submissions	620
Submission ratio	31.58%
Authors	442
Full solves [?]	376
Full solve Ratio	85.07%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.03 s	C	2020-02-26 09:57:49
2	Hidden user	0.03 s	C	2024-11-15 16:51:05
3	Jannik Olbrich	0.04 s	C	2023-07-14 11:09:37
4	Hidden user	0.05 s	C	2018-04-15 21:30:10
5	Ivan Petrov	0.06 s	C	2020-01-14 08:34:03

#	User	Runtime	Language	Date
1	Simon Lindholm	0.02 s	C++	2016-04-13 17:30:38
2	Muhammad Rais Fathin Mudzakir	0.02 s	C++	2018-03-22 16:09:44
3	Yuxin Jiang	0.02 s	C++	2018-09-03 16:51:00
4	Sam Zhang	0.02 s	C++	2018-11-11 08:00:51
5	Luke Videckis	0.02 s	C++	2019-10-26 16:25:32
6	Hidden user	0.02 s	C++	2020-03-26 13:09:09
7	Arnav Sastry	0.02 s	C++	2021-06-01 20:09:20
8	Hidden user	0.02 s	C++	2021-08-04 13:10:58
9	Thiago Felipe Bastos da Silva	0.02 s	C++	2021-10-06 01:10:26
10	Mike Nguyen	0.02 s	C++	2021-11-11 00:56:48

#	User	Runtime	Language	Date
1	Jannik Olbrich	0.18 s	Haskell	2023-07-13 11:36:00
2	Zach Tschetter	0.45 s	Haskell	2019-04-20 00:30:38

#	User	Runtime	Language	Date
1	Paul Boddington	0.18 s	Java	2017-02-06 23:49:25
2	Martijn Muijsers	0.22 s	Java	2017-05-10 17:43:04
3	Nick Wu	0.23 s	Java	2016-08-07 10:10:51
4	Thomas Björklund	0.24 s	Java	2017-09-15 19:04:13
5	Doug Goodman	0.26 s	Java	2018-03-18 15:05:49
6	Shreyas Jamadagni	0.34 s	Java	2025-04-02 10:54:38
7	Micah Stairs	0.35 s	Java	2016-12-21 01:25:27
8	Josenildo Silva	0.35 s	Java	2017-05-15 15:53:16
9	Terrence Park	0.37 s	Java	2016-04-14 18:42:51
10	Crystal Sharpe	0.49 s	Java	2020-06-19 18:24:40

#	User	Runtime	Language	Date
1	Christian Cederquist	0.85 s	JavaScript (SpiderMonkey)	2023-08-10 19:28:39

#	User	Runtime	Language	Date
1	Jacob Huebner	0.55 s	Kotlin	2020-03-11 05:00:35

#	User	Runtime	Language	Date
1	Sivasankaran D	0.11 s	Python 2	2025-08-27 08:53:19
2	Kiana Liu	0.12 s	Python 2	2022-10-22 06:03:37
3	Leo Wang	0.12 s	Python 2	2022-10-23 00:15:14
4	Hermon Mulat	0.13 s	Python 2	2019-02-22 01:04:53
5	Lars Åström	0.13 s	Python 2	2019-10-18 16:25:06
6	Oskar Haarklou Veileborg	0.16 s	Python 2	2019-12-03 09:04:36
7	Johan Lyts	0.16 s	Python 2	2020-01-19 14:46:45
8	Andreas Björklund	0.16 s	Python 2	2022-02-03 22:09:08
9	Robert Welin-Berger	0.30 s	Python 2	2016-04-13 19:29:03

#	User	Runtime	Language	Date
1	Nhự Nương Họ Vũ	0.08 s	Python 3	2025-03-26 23:32:52
2	Hidden user	0.10 s	Python 3	2022-10-24 02:13:24
3	Hidden user	0.10 s	Python 3	2023-10-24 03:02:20
4	Kareem Elakkad	0.11 s	Python 3	2022-10-18 01:17:47
5	Firas Al Chalabi	0.11 s	Python 3	2022-10-19 07:57:44
6	Hidden user	0.11 s	Python 3	2022-10-21 03:57:45
7	Lew Choon Hean	0.11 s	Python 3	2024-09-25 11:01:38
8	Hidden user	0.12 s	Python 3	2022-10-23 07:15:48
9	Jaspreet Singh Dhami	0.12 s	Python 3	2023-10-23 10:18:56
10	einar bratthall	0.12 s	Python 3	2024-04-18 09:47:30

#	User	Runtime	Language	Date
1	Thomas Feld	0.52 s	Ruby	2023-06-26 13:32:28

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-08-03 23:33:30
2	Frank Endriss	0.04 s	Rust	2024-11-04 23:27:51

#	User	Length	Language	Date
1	Ivan Petrov	905	C	2020-01-14 08:34:03
2	Jannik Olbrich	942	C	2023-07-14 11:09:37
3	Hidden user	974	C	2024-11-15 16:49:11
4	Hidden user	1479	C	2018-04-15 21:30:10
5	Bergur Snorrason	2114	C	2020-02-26 10:02:22

#	User	Length	Language	Date
1	Jannik Olbrich	324	C++	2023-03-29 18:02:21
2	Rene Josiah M. Quinto	536	C++	2016-08-25 05:06:26
3	Johan Wind	554	C++	2018-05-14 00:47:48
4	Hidden user	603	C++	2019-01-26 07:19:31
5	Tan Chee Heng	633	C++	2019-01-26 06:38:16
6	Herman Karlsson	645	C++	2016-12-25 22:08:06
7	Mohsen Dehbashi	649	C++	2020-11-30 13:38:42
8	Erik Dackander	661	C++	2016-04-14 22:11:34
9	Jeffrey Lee	663	C++	2019-01-26 07:51:24
10	Yue Jiao	664	C++	2016-04-13 20:12:22

#	User	Length	Language	Date
1	Zach Tschetter	489	Haskell	2020-09-24 21:33:10
2	Jannik Olbrich	668	Haskell	2023-07-13 11:58:19

#	User	Length	Language	Date
1	Duncan Page	702	Java	2017-10-03 22:28:00
2	Doug Goodman	963	Java	2018-03-18 15:05:49
3	Micah Stairs	1116	Java	2016-12-21 01:25:27
4	Brennan Cleland	1180	Java	2023-06-01 19:12:59
5	Martijn Muijsers	1267	Java	2017-05-10 17:43:04
6	Anon	1293	Java	2024-03-16 00:50:51
7	Josenildo Silva	1557	Java	2017-05-15 15:53:16
8	Paul Boddington	1575	Java	2017-02-06 23:49:25
9	Cindy Indalecio	1771	Java	2024-04-16 03:09:16
10	Crystal Sharpe	1827	Java	2020-06-19 18:24:40

#	User	Length	Language	Date
1	Christian Cederquist	530	JavaScript (SpiderMonkey)	2023-08-10 19:28:39

#	User	Length	Language	Date
1	Jacob Huebner	1387	Kotlin	2020-03-11 05:00:35

#	User	Length	Language	Date
1	Lars Åström	229	Python 2	2019-10-18 16:25:06
2	Johan Lyts	397	Python 2	2020-01-19 14:46:45
3	Kiana Liu	402	Python 2	2022-10-22 06:16:27
4	Leo Wang	405	Python 2	2022-10-23 00:15:14
5	Hermon Mulat	406	Python 2	2019-02-22 01:04:53
6	Andreas Björklund	486	Python 2	2022-02-03 22:09:08
7	Robert Welin-Berger	512	Python 2	2016-04-29 19:41:45
8	Oskar Haarklou Veileborg	571	Python 2	2019-12-03 09:04:36
9	Sivasankaran D	865	Python 2	2025-08-27 08:53:19

#	User	Length	Language	Date
1	Thomas Feld	119	Python 3	2023-07-15 01:39:07
2	Benjamin Z White	120	Python 3	2023-07-11 01:55:10
3	Kaaden RumanCam	121	Python 3	2023-10-16 05:38:35
4	Ahmed Chamseddine	145	Python 3	2025-06-11 16:27:49
5	Lew Choon Hean	148	Python 3	2024-09-25 11:10:55
6	Nandan Ramesh	149	Python 3	2023-10-22 23:03:06
7	Kailash Seshadri	156	Python 3	2023-10-24 00:15:36
8	Yong Mao	164	Python 3	2023-05-02 22:51:29
9	Shariq Naiyer	169	Python 3	2023-10-24 02:52:21
10	Weiguo Jiang	178	Python 3	2023-10-10 08:48:14

#	User	Length	Language	Date
1	Thomas Feld	131	Ruby	2023-06-26 13:39:20

#	User	Length	Language	Date
1	Vincent Lagerros	14649	Rust	2024-08-04 01:11:54
2	Frank Endriss	53090	Rust	2024-11-04 23:27:51

Solution running time distribution