Problem A
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Problem statistics

Submissions	2349
Accepted submissions	332
Submission ratio	14.13%
Authors	318
Accepted authors	220
Author ratio	69.18%

#	User	Runtime	Date
1	Ivan Petrov	0.69 s	2019-08-22 14:56:29
2	Bergur Snorrason	0.76 s	2021-03-18 13:06:05
3	Timothy Buzzelli	0.91 s	2018-02-03 20:22:08

#	User	Runtime	Date
1	Vu Thanh Trung	0.06 s	2021-10-31 12:24:43
2	Evan Michael Bailey	0.09 s	2021-11-06 01:11:24
3	Hidden user	0.11 s	2019-10-06 02:49:52
4	Antoni Guz	0.12 s	2018-04-02 00:17:09
5	Ahmad Haulian Yoga Pratama	0.14 s	2019-01-12 05:26:32
6	宋元堯	0.15 s	2018-10-20 05:26:17
7	Eu-Shaun Leong	0.16 s	2018-09-16 07:59:57
8	Lien Tran	0.17 s	2017-12-08 07:34:56
9	林廷衛	0.19 s	2018-09-22 10:29:54
10	林廷衛test	0.19 s	2018-09-24 11:08:38

#	User	Runtime	Date
1	Brent Yorgey	0.15 s	2021-03-01 00:18:27
2	Aliaksey Artamonau	0.34 s	2020-04-16 06:47:29

#	User	Runtime	Date
1	Isaac Lee	0.21 s	2018-02-03 01:55:20
2	Liam Keliher	0.26 s	2017-12-22 04:05:56
3	Finn Lidbetter	0.34 s	2018-01-26 15:39:18
4	Crystal Sharpe	0.34 s	2021-11-25 02:56:19
5	Nguyễn Mạnh Phúc	0.37 s	2017-12-25 14:55:10
6	Alex Coleman	0.41 s	2018-02-04 00:48:57
7	Jason Portillo	0.45 s	2018-02-06 21:06:49
8	Aarav Singh	0.48 s	2018-02-03 20:35:12
9	Dante Bencivenga	0.59 s	2018-02-04 03:00:10
10	Amon Al-khatib	0.66 s	2018-02-03 22:27:19

#	User	Runtime	Date
1	Hidden user	0.48 s	2017-12-08 20:45:33
2	Fred Bloggs	0.62 s	2019-03-27 19:03:31
3	Andreas Björklund	0.72 s	2019-10-04 14:53:05

#	User	Runtime	Date
1	Tistou	0.36 s	2023-01-17 14:41:04
2	CharlesMarsh	0.38 s	2022-12-23 16:13:38
3	Bruno Chevalier	0.44 s	2023-08-28 10:45:54
4	Kelly Dance	0.64 s	2023-05-21 19:55:03
5	Shashank Bhatt	0.65 s	2023-05-23 22:14:48

#	User	Runtime	Date
1	Hidden user	0.87 s	2019-06-07 00:51:35

#	User	Runtime	Date
1	Eric Pinter	0.40 s	2021-04-08 02:08:05

#	User	Length	Date
1	Ivan Petrov	1306	2019-08-22 14:56:29
2	Timothy Buzzelli	1643	2018-02-03 20:22:08
3	Bergur Snorrason	2715	2021-03-18 13:06:05

#	User	Length	Date
1	Viet Thien Tran	887	2018-10-25 16:33:45
2	Josenildo Silva	903	2019-11-21 01:47:12
3	William Gan	949	2018-04-24 20:19:52
4	Lim An Jun	952	2023-01-03 06:14:57
5	Milton Kabir	959	2019-08-28 03:56:18
6	Aditya Shah	977	2018-11-16 23:59:00
7	Viết Thiện Trần	994	2020-08-05 06:24:19
8	Marcus Dicander	1030	2018-11-05 20:11:02
9	Johan Wind	1041	2018-09-28 15:22:06
10	Chi Thong Nguyen	1066	2017-12-18 09:05:42

#	User	Length	Date
1	Aliaksey Artamonau	2794	2020-04-16 06:52:30
2	Brent Yorgey	5597	2021-03-01 00:18:27

#	User	Length	Date
1	Amon Al-khatib	1626	2018-02-03 22:27:19
2	Daniel Moyer	1815	2018-02-03 20:32:21
3	Aarav Singh	1868	2018-02-03 20:18:12
4	Joshua Fair	1958	2018-02-03 22:30:35
5	Atharva Nagarkar	2048	2018-02-04 02:07:00
6	Crystal Sharpe	2146	2021-11-25 02:56:19
7	William Brigham	2188	2018-02-03 22:59:27
8	Alex Coleman	2355	2018-02-04 00:48:57
9	Timothy Buzzelli	2363	2018-02-03 20:33:02
10	Darrin Wiley	2377	2021-11-05 22:05:53

#	User	Length	Date
1	Andreas Björklund	727	2019-10-04 14:53:05
2	Hidden user	765	2017-12-08 20:45:33
3	Fred Bloggs	949	2019-03-27 19:03:31

#	User	Length	Date
1	Tistou	313	2023-01-17 00:30:26
2	Kelly Dance	944	2023-05-21 19:55:03
3	CharlesMarsh	1548	2022-12-23 16:13:38
4	Shashank Bhatt	3424	2023-05-23 22:14:48
5	Bruno Chevalier	8114	2023-08-28 10:45:54

#	User	Length	Date
1	Hidden user	1026	2019-06-07 00:51:35

#	User	Length	Date
1	Eric Pinter	2614	2021-04-08 02:08:05

Solution running time distribution