Problem A
Non-boring sequences — Problem Statistics

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Submissions	988
Accepted submissions	276
Submission ratio	27.94%
Authors	219
Full solves [?]	136
Full solve Ratio	62.10%

#	User	Runtime	Language	Date
1	Hidden user	0.23 s	C	2018-02-22 21:04:41
2	Ivan Petrov	0.32 s	C	2019-08-18 17:55:30
3	Muhammad Irham Rasyidi	0.83 s	C	2018-02-23 09:14:14

#	User	Runtime	Language	Date
1	Johnathon Power	2.28 s	C#	2019-05-10 09:21:27

#	User	Runtime	Language	Date
1	Alexander Westberg-Bladh	0.07 s	C++	2019-05-12 11:53:43
2	Marcus Östling	0.07 s	C++	2019-05-18 19:35:58
3	Jeremy Lim	0.11 s	C++	2025-10-24 16:48:26
4	Elias Lousseief	0.13 s	C++	2017-12-11 17:51:36
5	Edvin Lundberg	0.14 s	C++	2016-12-08 20:16:28
6	The Anh Cao Van	0.16 s	C++	2018-12-06 03:07:32
7	Timon Knigge	0.20 s	C++	2017-10-24 21:31:09
8	Ragnar Groot Koerkamp	0.22 s	C++	2015-09-26 15:50:58
9	Yiquan Wang	0.22 s	C++	2016-11-10 02:58:31
10	Sabit Zahin	0.23 s	C++	2015-10-20 20:04:36

#	User	Runtime	Language	Date
1	Hà Minh Ngọc	0.56 s	Java	2016-06-26 12:02:45
2	Alex Coleman	0.83 s	Java	2018-11-02 03:18:46
3	Nick Wu	0.87 s	Java	2016-08-25 01:03:14
4	Finn Lidbetter	0.97 s	Java	2017-04-03 23:17:13
5	Daniel West	1.19 s	Java	2021-01-02 20:18:11
6	Micah Stairs	1.29 s	Java	2016-05-11 17:25:34
7	Janne Selkälä	2.08 s	Java	2016-12-12 11:33:36

#	User	Runtime	Language	Date
1	Hidden user	0.36 s	Python 2	2017-12-15 19:02:14
2	Andreas Björklund	3.86 s	Python 2	2020-03-29 14:29:24

#	User	Runtime	Language	Date
1	Nicholas Russell Saerang	0.53 s	Python 3	2024-07-04 18:23:29
2	Harry Zhang	0.58 s	Python 3	2025-06-05 00:51:47
3	Oskar Haarklou Veileborg	1.12 s	Python 3	2021-12-08 22:26:42
4	Dilhan Salgado	1.87 s	Python 3	2024-07-15 22:42:57

#	User	Runtime	Language	Date
1	Tomas Möre	0.13 s	Rust	2019-05-14 15:02:14

#	User	Length	Language	Date
1	Ivan Petrov	1582	C	2019-08-18 17:55:30
2	Hidden user	2949	C	2018-02-22 21:04:41
3	Muhammad Irham Rasyidi	5254	C	2018-02-23 09:14:14

#	User	Length	Language	Date
1	Johnathon Power	2893	C#	2019-05-10 09:21:27

#	User	Length	Language	Date
1	[]	585	C++	2024-11-21 21:11:56
2	Jeremy Lim	656	C++	2025-10-24 16:47:17
3	vuvutru	790	C++	2016-10-01 13:07:44
4	Thanh Tuấn	791	C++	2016-10-01 14:31:47
5	Haggai Liu	809	C++	2017-01-05 10:32:12
6	Christoph Kaiser	828	C++	2016-12-15 17:30:26
7	Mindaugas Kazlauskas	845	C++	2016-04-10 10:53:07
8	Alvian Prasetya	907	C++	2015-11-30 09:04:35
9	javiole1712	934	C++	2024-05-28 15:17:35
10	Ragur Krishnan	971	C++	2019-03-18 21:27:18

#	User	Length	Language	Date
1	Alex Coleman	1724	Java	2018-11-02 03:18:46
2	Daniel West	2238	Java	2021-01-02 20:18:11
3	Nick Wu	2271	Java	2016-08-25 01:03:14
4	Finn Lidbetter	2506	Java	2017-04-03 23:17:13
5	Hà Minh Ngọc	2507	Java	2016-06-26 12:02:45
6	Micah Stairs	3515	Java	2016-05-11 17:25:34
7	Janne Selkälä	5728	Java	2016-12-12 11:33:36

#	User	Length	Language	Date
1	Hidden user	1113	Python 2	2017-12-15 19:02:14
2	Andreas Björklund	1756	Python 2	2020-03-29 14:29:24

#	User	Length	Language	Date
1	Nicholas Russell Saerang	848	Python 3	2024-07-04 18:23:29
2	Harry Zhang	1182	Python 3	2025-06-05 00:51:47
3	Oskar Haarklou Veileborg	1259	Python 3	2021-12-08 22:26:42
4	Dilhan Salgado	2752	Python 3	2024-07-15 22:42:57

#	User	Length	Language	Date
1	Tomas Möre	2409	Rust	2019-05-14 15:03:16

Solution running time distribution