Problem K
Grid Guardian — Problem Statistics

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Submissions	150
Accepted submissions	45
Submission ratio	30.00%
Authors	35
Accepted authors	21
Author ratio	60.00%

#	User	Runtime	Language	Date
1	Ivan Petrov	1.09 s	C	2020-03-18 14:53:59

#	User	Runtime	Language	Date
1	Erik Sünderhauf	0.63 s	C++	2020-03-11 04:09:53
2	Alex Dai	0.74 s	C++	2020-03-13 21:20:49
3	Chan Min Kim	0.75 s	C++	2022-03-04 19:42:07
4	Christian Yongwhan Lim	0.80 s	C++	2025-03-21 07:17:44
5	Benjamin Qi	0.87 s	C++	2020-02-23 05:47:15
6	Henry Xia	1.06 s	C++	2020-05-02 01:47:26
7	Nick Wu	1.20 s	C++	2020-04-11 08:23:39
8	Apia Du	1.57 s	C++	2020-02-22 21:17:00
9	Qingyu	1.82 s	C++	2022-03-16 13:01:33
10	Aditya Sundaram	2.04 s	C++	2024-12-31 00:28:38

#	User	Runtime	Language	Date
1	Jacob Huebner	5.14 s	Kotlin	2022-04-01 06:09:18
2	Witte, Chet	5.72 s	Kotlin	2022-03-31 20:05:20

#	User	Length	Language	Date
1	Ivan Petrov	1854	C	2020-03-18 14:53:59

#	User	Length	Language	Date
1	Henry Xia	1630	C++	2020-05-02 01:24:05
2	Christian Yongwhan Lim	1761	C++	2025-03-21 07:17:44
3	Apia Du	1888	C++	2020-02-22 21:17:00
4	Riley Borgard	1954	C++	2020-02-26 02:15:23
5	Qingyu	2142	C++	2022-03-16 13:01:33
6	Nick Wu	2263	C++	2020-04-11 08:23:39
7	Erik Sünderhauf	2276	C++	2020-03-11 04:09:53
8	Alex Dai	2279	C++	2020-03-13 21:20:49
9	Andy Phan	2645	C++	2023-05-10 01:53:31
10	Tianqi Feng	2653	C++	2021-08-22 11:37:44

#	User	Length	Language	Date
1	Jacob Huebner	2850	Kotlin	2022-03-29 18:11:48
2	Witte, Chet	2919	Kotlin	2022-03-31 20:05:20

Solution running time distribution