Problem J
Keep the Parade Safe

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Problem statistics

Submissions	888
Accepted submissions	150
Submission ratio	16.89%
Authors	161
Accepted authors	90
Author ratio	55.90%

#	User	Runtime	Date
1	Ivan Petrov	0.01 s	2020-01-15 14:25:22
2	Ioannis Br	0.01 s	2021-02-03 22:41:25

#	User	Runtime	Date
1	Eric Williamson	0.25 s	2018-01-20 23:19:41

#	User	Runtime	Date
1	Jonatan Nilsson	0.10 s	2019-10-22 14:33:56
2	Lars Åström	0.10 s	2019-10-22 19:09:58

#	User	Length	Date
1	Ivan Petrov	3551	2020-01-15 14:25:22
2	Ioannis Br	8173	2021-02-03 22:41:25

#	User	Length	Date
1	Ivan Petrov	2447	2020-01-15 14:04:26
2	Nguyen Xuan Tung	2772	2019-09-24 16:45:52
3	Rico Tiongson	2790	2017-12-08 15:42:30
4	Li Jack	3076	2019-05-20 04:03:51
5	Kim Hao Nguyen Duong	3115	2017-11-05 06:29:00
6	Elite_Vanor	3120	2022-09-02 17:48:49
7	Anthony Wong	3129	2017-11-05 06:39:15
8	Siva Tanikonda	3309	2020-08-01 22:07:36
9	Huangjie Zhao	3486	2017-11-15 11:15:19
10	Rafael Herman	3546	2018-02-06 15:56:28

#	User	Length	Date
1	Eric Williamson	7414	2018-01-20 23:19:41

#	User	Length	Date
1	Jonatan Nilsson	1783	2019-10-22 14:33:56
2	Lars Åström	1783	2019-10-22 19:09:58

Solution running time distribution