Problem D
Association of Computer Maintenance — Problem Statistics

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Submissions	1228
Accepted submissions	125
Submission ratio	10.18%
Authors	136
Full solves [?]	64
Full solve Ratio	47.06%

#	User	Runtime	Language	Date
1	Hidden user	0.26 s	C	2018-03-18 17:28:53
2	Ivan Petrov	0.67 s	C	2019-08-08 10:43:16

#	User	Runtime	Language	Date
1	William Gan	0.03 s	C++	2016-01-28 04:10:28
2	Nkhg Wei Ttn	0.04 s	C++	2016-10-02 18:26:07
3	Nguyen Minh	0.05 s	C++	2015-12-10 05:59:08
4	Kent Nikaido	0.05 s	C++	2015-12-10 06:03:55
5	Tadamasa Yamaguchi	0.05 s	C++	2017-10-18 15:05:40
6	YanHao Ling	0.05 s	C++	2017-12-23 16:13:40
7	Minh Nguyen	0.05 s	C++	2018-11-21 08:44:59
8	Jeremy Lim	0.05 s	C++	2024-02-10 09:06:01
9	Alexander Skidanov	0.05 s	C++	2025-11-08 14:40:26
10	楠 朱	0.06 s	C++	2024-04-28 07:47:18

#	User	Runtime	Language	Date
1	Nguyen Quang Dung	0.56 s	Java	2016-04-12 18:40:49
2	Andrew Polizzotto	0.64 s	Java	2021-01-30 11:08:38
3	Lewin Gan	0.82 s	Java	2015-12-10 03:16:04

#	User	Runtime	Language	Date
1	Andreas Björklund	0.30 s	Python 2	2020-11-15 09:32:54
2	Hidden user	0.33 s	Python 2	2018-06-13 21:35:47
3	Dmitry Lyubshin	0.64 s	Python 2	2018-08-11 00:48:33

#	User	Length	Language	Date
1	Ivan Petrov	3285	C	2019-08-08 10:43:16
2	Hidden user	6347	C	2018-03-18 17:28:53

#	User	Length	Language	Date
1	Lawry Sorenson	1406	C++	2025-06-04 18:34:33
2	Nguyen Nguyen	1613	C++	2015-12-14 22:29:08
3	Dongjian Tang	1768	C++	2017-04-26 17:04:42
4	Alexander Skidanov	1867	C++	2025-11-08 14:59:56
5	石塚凌	1922	C++	2018-05-15 11:42:59
6	許晉嘉	2104	C++	2016-09-11 11:01:24
7	Nguyễn Minh Tùng	2113	C++	2017-10-25 16:01:35
8	Javier Marinkovic	2122	C++	2019-12-10 10:10:49
9	Minh Nguyen	2141	C++	2018-11-21 08:44:59
10	Nguyen Minh	2143	C++	2015-12-10 05:59:08

#	User	Length	Language	Date
1	Nguyen Quang Dung	3493	Java	2016-04-12 18:40:49
2	Lewin Gan	3705	Java	2015-12-10 03:16:04
3	Andrew Polizzotto	4884	Java	2021-01-30 11:08:38

#	User	Length	Language	Date
1	Dmitry Lyubshin	981	Python 2	2018-08-11 00:48:33
2	Hidden user	1401	Python 2	2018-06-13 21:35:47
3	Andreas Björklund	2037	Python 2	2020-11-15 09:32:54

Solution running time distribution