Problem I
Lights Out — Problem Statistics

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Submissions	235
Accepted submissions	74
Submission ratio	31.49%
Authors	48
Full solves [?]	34
Full solve Ratio	70.83%

#	User	Runtime	Language	Date
1	Andreas Björklund	0.16 s	C	2019-03-24 13:56:59
2	Ivan Petrov	0.56 s	C	2019-05-03 10:09:18

#	User	Runtime	Language	Date
1	Motasem Al-Kayed	0.15 s	C++	2017-06-21 02:33:10
2	Hidden user	0.21 s	C++	2026-02-04 08:25:23
3	Alexander Skidanov	0.21 s	C++	2026-02-04 08:59:09
4	Антон Лавров	0.21 s	C++	2026-02-04 22:59:57
5	Hidden user	0.27 s	C++	2020-07-08 13:50:29
6	Goutham Rajendran	0.29 s	C++	2017-09-30 23:39:23
7	Jonathan Alexander Carrillo Cortes	0.29 s	C++	2020-05-26 07:42:51
8	Hubert Teo	0.33 s	C++	2018-01-14 05:52:07
9	Константин Семенов	0.38 s	C++	2017-06-11 12:46:42
10	Ethan Arnold	0.41 s	C++	2017-09-17 06:52:48

#	User	Runtime	Language	Date
1	Josenildo Silva	0.84 s	Java	2017-12-16 23:33:11
2	Benjamin Reidys	1.00 s	Java	2019-04-01 15:55:25

#	User	Length	Language	Date
1	Andreas Björklund	2430	C	2019-03-24 13:56:59
2	Ivan Petrov	3074	C	2019-05-03 10:09:18

#	User	Length	Language	Date
1	Motasem Al-Kayed	1278	C++	2017-06-21 02:33:10
2	Jeffrey Lee	1562	C++	2017-11-27 17:18:35
3	Hidden user	1631	C++	2020-07-08 13:50:29
4	Mohammad Nematollahi	1799	C++	2017-06-11 11:27:54
5	Paul Jungeblut	1823	C++	2017-11-22 12:42:10
6	Javier Marinkovic	1951	C++	2020-05-24 18:12:28
7	Joakim Blikstad	1953	C++	2018-11-05 22:06:52
8	YanHao Ling	2023	C++	2018-05-23 04:44:21
9	Hubert Teo	2039	C++	2018-01-14 05:52:07
10	Tuukka Korhonen	2071	C++	2017-06-11 13:09:17

#	User	Length	Language	Date
1	Josenildo Silva	2344	Java	2017-12-16 23:33:11
2	Benjamin Reidys	4634	Java	2019-04-01 15:55:25

Solution running time distribution