Problem K
Grid Guardian — Problem Statistics

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Submissions	192
Accepted submissions	59
Submission ratio	30.73%
Authors	41
Full solves [?]	23
Full solve Ratio	56.10%

#	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	Jeremy Lim	0.64 s	C++	2025-07-28 12:10:46
3	Alex Dai	0.74 s	C++	2020-03-13 21:20:49
4	Chan Min Kim	0.75 s	C++	2022-03-04 19:42:07
5	Christian Yongwhan Lim	0.80 s	C++	2025-03-21 07:17:44
6	Minh Nguyễn Xuân	0.83 s	C++	2026-02-18 11:44:16
7	Benjamin Qi	0.87 s	C++	2020-02-23 05:47:15
8	Henry Xia	1.06 s	C++	2020-05-02 01:47:26
9	Nick Wu	1.20 s	C++	2020-04-11 08:23:39
10	Apia Du	1.57 s	C++	2020-02-22 21:17:00

#	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	Jeremy Lim	1909	C++	2025-07-28 11:49:48
5	Riley Borgard	1954	C++	2020-02-26 02:15:23
6	Qingyu	2142	C++	2022-03-16 13:01:33
7	Nick Wu	2263	C++	2020-04-11 08:23:39
8	Erik Sünderhauf	2276	C++	2020-03-11 04:09:53
9	Alex Dai	2279	C++	2020-03-13 21:20:49
10	Andy Phan	2645	C++	2023-05-10 01:53:31

#	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