Problem A
Dating time — Problem Statistics

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Submissions	696
Accepted submissions	228
Submission ratio	32.76%
Authors	262
Full solves [?]	207
Full solve Ratio	79.01%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-12-12 10:10:27
2	Ivan Petrov	0.00 s	C	2019-12-16 10:32:13
3	Travis Meade	0.00 s	C	2020-02-01 20:07:50
4	Sambit Palit	0.00 s	C	2020-12-11 22:07:06

#	User	Runtime	Language	Date
1	Bjørn Dons	0.00 s	Go	2023-08-21 16:04:34

#	User	Runtime	Language	Date
1	Paul Wild	0.01 s	Haskell	2020-02-01 21:21:04
2	Brent Yorgey	0.01 s	Haskell	2020-05-12 04:22:19
3	Matthew Craven	0.01 s	Haskell	2021-01-30 19:36:03

#	User	Runtime	Language	Date
1	Andrew Polizzotto	0.07 s	Java	2020-05-29 07:23:15
2	Mong-En Ip	0.07 s	Java	2021-01-30 19:23:52
3	Natalie Longtin	0.07 s	Java	2021-01-30 19:46:09
4	Ho Lyun Jeong	0.07 s	Java	2021-01-30 20:02:19
5	Darrin Wiley	0.07 s	Java	2021-01-30 20:10:08
6	Crystal Sharpe	0.07 s	Java	2021-04-16 09:54:39
7	Toan Vu	0.10 s	Java	2021-01-30 19:39:07
8	Doug Goodman	0.12 s	Java	2020-05-15 17:02:31
9	Meghan Lin	0.12 s	Java	2021-01-30 20:14:54
10	Tyler Marks	0.12 s	Java	2021-01-30 22:38:22

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.05 s	JavaScript (SpiderMonkey)	2019-12-11 02:42:48

#	User	Runtime	Language	Date
1	Timothy Gaede	0.79 s	Julia	2024-09-16 14:09:27

#	User	Runtime	Language	Date
1	Andreas Björklund	0.04 s	Python 2	2020-01-26 08:59:30
2	Nguyen Thanh Trung	0.05 s	Python 2	2019-12-03 17:47:31

#	User	Runtime	Language	Date
1	Vincent Tandya	0.02 s	Python 3	2019-12-13 16:18:35
2	Cáo Quảng	0.04 s	Python 3	2019-12-06 06:28:32
3	Pascal Sikorski	0.04 s	Python 3	2025-09-27 19:41:54
4	Ocram Esah	0.05 s	Python 3	2022-06-06 21:39:21
5	Nicholas Russell Saerang	0.05 s	Python 3	2023-08-05 16:44:18
6	Rayan Bouhal	0.05 s	Python 3	2023-09-24 02:23:13
7	Jack Golden	0.05 s	Python 3	2023-09-24 23:41:48
8	Tobias Bessler	0.05 s	Python 3	2024-03-03 18:28:17
9	Michael Goldwasser	0.05 s	Python 3	2025-09-27 05:17:49
10	Casper Rysgaard	0.06 s	Python 3	2020-01-20 14:12:52

#	User	Length	Language	Date
1	Travis Meade	810	C	2021-01-30 22:37:00
2	Ivan Petrov	814	C	2019-12-16 10:32:13
3	Sambit Palit	1911	C	2020-12-11 22:07:06
4	Bergur Snorrason	1945	C	2019-12-12 10:10:27

#	User	Length	Language	Date
1	Vu Thanh Trung	512	C++	2020-10-18 04:47:25
2	Alexander Skidanov	577	C++	2024-12-24 22:57:12
3	Nguyen Xuan Tung	669	C++	2019-12-10 02:46:16
4	Hoai Nam Nguyen	675	C++	2019-12-06 06:33:51
5	magic_star	685	C++	2020-05-16 08:20:11
6	Luu Nguyen Bang	691	C++	2020-10-08 05:10:19
7	a_b__c	700	C++	2021-02-28 17:59:15
8	Minkyu Jo	708	C++	2019-12-06 07:06:19
9	Zhuolin Yang	720	C++	2021-02-07 20:51:58
10	Bernard Teo	745	C++	2019-12-19 06:46:55

#	User	Length	Language	Date
1	Bjørn Dons	1305	Go	2023-08-21 16:04:34

#	User	Length	Language	Date
1	Paul Wild	610	Haskell	2020-02-01 21:21:04
2	Matthew Craven	1193	Haskell	2021-01-30 19:36:03
3	Brent Yorgey	1750	Haskell	2020-05-12 04:22:19

#	User	Length	Language	Date
1	Hidden user	620	Java	2020-02-01 19:55:04
2	Benjamin Reidys	1003	Java	2020-02-01 23:34:49
3	Andrew Polizzotto	1181	Java	2020-05-29 07:23:15
4	Quinn Gilbert	1198	Java	2021-01-30 21:48:15
5	Jacqueline van der Meulen	1227	Java	2020-02-01 20:51:54
6	William Quiroga	1241	Java	2020-02-01 20:06:57
7	Chris Sun	1384	Java	2019-12-26 02:14:59
8	Joshua Fair	1537	Java	2020-02-01 20:02:09
9	Nathan Kurelo Wilk	1620	Java	2021-01-30 20:45:13
10	Elizabeth Trader	1749	Java	2021-01-30 22:55:25

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	7675	JavaScript (SpiderMonkey)	2019-12-11 17:17:18

#	User	Length	Language	Date
1	Timothy Gaede	2187	Julia	2024-09-16 14:09:27

#	User	Length	Language	Date
1	Nguyen Thanh Trung	583	Python 2	2019-12-03 17:47:31
2	Andreas Björklund	653	Python 2	2020-01-26 08:59:30

#	User	Length	Language	Date
1	Michael Goldwasser	245	Python 3	2025-09-27 05:27:24
2	Shashank Bhatt	394	Python 3	2021-01-30 19:55:25
3	Nicholas Russell Saerang	443	Python 3	2023-08-05 16:44:18
4	Jacob Zhang	467	Python 3	2021-01-30 19:30:04
5	Lucas Miguel V. Agcaoili	482	Python 3	2024-04-29 12:19:54
6	Matthew Craven	517	Python 3	2020-02-01 19:38:04
7	Tobias Bessler	532	Python 3	2024-03-03 18:28:17
8	Md Abedin	563	Python 3	2021-01-30 23:52:28
9	John Eric Estrada	775	Python 3	2023-08-07 03:04:33
10	Rayan Bouhal	792	Python 3	2023-09-25 01:00:45

Solution running time distribution