Problem C
Inspecting Illumination — Problem Statistics

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Submissions	979
Accepted submissions	229
Submission ratio	23.39%
Authors	241
Full solves [?]	196
Full solve Ratio	81.33%

#	User	Runtime	Language	Date
1	Travis Meade	0.00 s	C	2020-02-01 19:40:02
2	Ivan Petrov	0.01 s	C	2020-01-16 08:40:29

#	User	Runtime	Language	Date
1	Bjørn Dons	0.07 s	Java	2023-07-03 08:23:22
2	Liam Keliher	0.08 s	Java	2020-06-14 02:46:30
3	Sharon Barak	0.13 s	Java	2021-01-21 01:44:15
4	Brent Yorgey	0.17 s	Java	2020-01-03 21:59:42
5	Andrew Polizzotto	0.20 s	Java	2020-05-29 07:05:00
6	Crystal Sharpe	0.24 s	Java	2020-06-15 23:26:06
7	Joshua Delgado	0.26 s	Java	2021-01-30 20:06:48
8	Sathvik Kuthuru	0.26 s	Java	2021-01-30 20:19:06
9	Tyler Marks	0.26 s	Java	2021-01-30 22:43:18
10	Josh Wozniak	0.28 s	Java	2020-02-01 19:20:50

#	User	Runtime	Language	Date
1	Adam Rankin	0.27 s	Kotlin	2023-10-11 20:46:20

#	User	Runtime	Language	Date
1	Nguyen Thanh Trung	0.07 s	Python 2	2019-12-03 16:54:29
2	Andreas Björklund	0.21 s	Python 2	2020-01-25 13:13:07

#	User	Runtime	Language	Date
1	Vincent Tandya	0.02 s	Python 3	2019-12-13 16:19:42
2	Cáo Quảng	0.03 s	Python 3	2019-12-06 10:32:11
3	Ryan Farrell	0.05 s	Python 3	2025-12-09 20:37:39
4	Isaac Lee	0.06 s	Python 3	2020-06-16 00:52:41
5	Hidden user	0.06 s	Python 3	2021-10-01 22:11:43
6	Tú Nguyễn Minh	0.06 s	Python 3	2022-08-28 13:11:03
7	Nicholas Russell Saerang	0.06 s	Python 3	2023-08-05 14:25:11
8	Andrea Puddu	0.06 s	Python 3	2023-11-23 11:20:24
9	Zac Friggstad	0.07 s	Python 3	2020-02-05 04:47:08
10	Presley Graham	0.07 s	Python 3	2021-02-07 23:06:57

#	User	Runtime	Language	Date
1	Hidden user	0.00 s	Rust	2025-11-18 17:50:52

#	User	Length	Language	Date
1	Travis Meade	938	C	2021-01-30 19:11:44
2	Ivan Petrov	2136	C	2020-01-16 08:40:29

#	User	Length	Language	Date
1	Dmitry Lyubshin	601	C++	2023-04-14 20:44:42
2	Anson Ho	612	C++	2020-01-01 02:08:28
3	Matthew Craven	625	C++	2020-02-01 18:54:31
4	Atli Fannar Franklín	638	C++	2020-01-31 13:52:34
5	Chau Vu	644	C++	2021-01-25 04:06:37
6	Nguyen Nguyen	666	C++	2019-12-10 19:14:07
7	Howard Cheng	668	C++	2021-01-28 04:23:20
8	Chris Sun	668	C++	2021-02-04 02:10:05
9	QB TV	670	C++	2021-01-14 04:35:01
10	Vu Thanh Trung	672	C++	2020-10-18 02:06:17

#	User	Length	Language	Date
1	Joshua Fair	883	Java	2020-02-01 18:28:50
2	Tyler Marks	894	Java	2021-01-30 22:43:18
3	Benjamin Reidys	1008	Java	2020-02-01 18:33:29
4	Jacqueline van der Meulen	1094	Java	2020-02-01 23:24:55
5	Andrew Polizzotto	1291	Java	2020-05-29 07:05:00
6	kuimou yu	1642	Java	2021-02-07 20:03:32
7	Crystal Sharpe	1741	Java	2020-06-15 23:26:06
8	Josh Wozniak	1819	Java	2020-02-01 19:20:50
9	Paula Arnold	2001	Java	2020-03-20 14:12:24
10	Doug Goodman	2285	Java	2022-06-12 17:12:59

#	User	Length	Language	Date
1	Adam Rankin	742	Kotlin	2023-10-11 20:46:20

#	User	Length	Language	Date
1	Nguyen Thanh Trung	517	Python 2	2019-12-03 16:54:29
2	Andreas Björklund	735	Python 2	2020-01-25 13:13:07

#	User	Length	Language	Date
1	Zac Friggstad	258	Python 3	2020-02-05 04:47:08
2	Ryan Farrell	275	Python 3	2025-12-09 20:55:23
3	Nicholas Russell Saerang	330	Python 3	2023-08-05 14:25:11
4	Presley Graham	364	Python 3	2021-02-07 23:06:57
5	Qianlang Chen	400	Python 3	2021-02-07 22:55:49
6	Garfield Tong	429	Python 3	2020-02-08 19:28:29
7	Arihant Jain	450	Python 3	2021-01-30 18:28:15
8	Hidden user	497	Python 3	2021-10-01 22:11:43
9	Richard Li	500	Python 3	2021-01-30 20:21:44
10	Vincent Tandya	544	Python 3	2019-12-13 16:19:42

#	User	Length	Language	Date
1	Hidden user	15999	Rust	2025-11-18 17:50:52

Solution running time distribution