Problem F
Hack Around the Lock — Problem Statistics

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Submissions	154
Accepted submissions	25
Submission ratio	16.23%
Authors	41
Full solves [?]	18
Full solve Ratio	43.90%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.14 s	C	2019-09-02 10:46:50
2	Subarna Lamsal	0.14 s	C	2019-11-05 21:01:15

#	User	Runtime	Language	Date
1	Chenzhang Hu	0.06 s	C++	2018-07-18 09:16:58
2	Teikn Smith	0.13 s	C++	2023-09-12 15:41:52
3	Sergio Vieri	0.14 s	C++	2018-02-19 07:32:22
4	Josenildo Silva	0.14 s	C++	2018-06-25 19:23:26
5	Evan Michael Bailey	0.15 s	C++	2024-02-12 23:03:27
6	Yiu Yu Ho	0.16 s	C++	2022-06-06 02:49:17
7	Alexander Skidanov	0.17 s	C++	2025-05-31 19:43:21
8	Johan Sannemo	0.19 s	C++	2012-09-11 16:32:04
9	Jeroen Op de Beek	0.20 s	C++	2021-03-27 01:05:34
10	Peter Kwak	0.22 s	C++	2018-10-05 22:45:46

#	User	Runtime	Language	Date
1	Doug Goodman	0.95 s	Java	2019-04-23 15:15:55

#	User	Runtime	Language	Date
1	Hidden user	0.38 s	Python 2	2019-05-19 13:31:29

#	User	Runtime	Language	Date
1	Brandon Young	0.90 s	Python 3	2023-02-13 21:40:19

#	User	Length	Language	Date
1	Subarna Lamsal	3275	C	2019-11-05 21:01:15
2	Ivan Petrov	3539	C	2019-09-02 10:46:50

#	User	Length	Language	Date
1	Evan Michael Bailey	1445	C++	2024-02-12 23:03:27
2	Teikn Smith	1553	C++	2023-09-12 15:43:01
3	Andreas Alberg	2261	C++	2023-08-14 16:25:53
4	Alexander Skidanov	2388	C++	2025-05-31 19:43:21
5	Arvin Ding	2398	C++	2022-01-17 03:59:40
6	Johan Sannemo	2420	C++	2012-09-11 16:32:04
7	Josenildo Silva	2547	C++	2018-06-25 19:23:26
8	Sumith Nalabolu	3075	C++	2022-01-17 03:35:01
9	Chenzhang Hu	3185	C++	2023-02-17 11:54:03
10	Yiu Yu Ho	3365	C++	2022-06-06 02:49:17

#	User	Length	Language	Date
1	Doug Goodman	4633	Java	2019-04-23 15:15:55

#	User	Length	Language	Date
1	Hidden user	70126	Python 2	2019-05-19 13:31:29

#	User	Length	Language	Date
1	Brandon Young	1918	Python 3	2023-02-13 21:40:19

Solution running time distribution