Problem I
Private Space — Problem Statistics

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Submissions	882
Accepted submissions	160
Submission ratio	18.14%
Authors	131
Full solves [?]	87
Full solve Ratio	66.41%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-07-17 16:05:45

#	User	Runtime	Language	Date
1	Goran Hrovat	0.02 s	C#	2019-05-13 22:52:03
2	Aleš Čep	0.04 s	C#	2019-05-14 14:18:05

#	User	Runtime	Language	Date
1	Jesper Öqvist	0.26 s	Java	2018-03-17 15:46:20
2	Josenildo Silva	0.27 s	Java	2018-06-22 03:32:34
3	Dev Chheda	0.32 s	Java	2021-03-21 16:22:06
4	Arup Ratan Guha	0.58 s	Java	2019-01-03 00:49:44
5	Doug Goodman	0.78 s	Java	2019-08-19 18:14:34

#	User	Runtime	Language	Date
1	Benjamin Ye	0.20 s	Kotlin	2023-02-12 23:33:27

#	User	Runtime	Language	Date
1	Hidden user	0.10 s	Python 2	2019-05-12 17:57:13
2	Andreas Björklund	0.16 s	Python 2	2018-11-29 14:22:46

#	User	Runtime	Language	Date
1	Hidden user	0.24 s	Python 3	2024-06-15 16:41:51
2	Viktor Bello Thomsen	0.64 s	Python 3	2020-11-03 23:15:41
3	Tim Poulsen	0.69 s	Python 3	2020-11-03 20:50:47
4	Oskar Svanström	0.71 s	Python 3	2023-04-24 18:23:15
5	Duoduo Zhao	0.96 s	Python 3	2025-07-26 13:50:12

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.00 s	Rust	2024-04-23 15:38:11

#	User	Length	Language	Date
1	Ivan Petrov	1636	C	2019-07-17 16:05:45

#	User	Length	Language	Date
1	Aleš Čep	2564	C#	2019-05-14 14:18:05
2	Goran Hrovat	4988	C#	2019-05-13 22:52:03

#	User	Length	Language	Date
1	Lawry Sorenson	524	C++	2024-06-21 22:38:38
2	Richard Peng	787	C++	2017-12-09 20:40:44
3	Kenzo Nobre	946	C++	2023-02-06 18:27:22
4	André Luís Mendes Fakhoury	994	C++	2023-01-23 19:58:07
5	Kaio Vieira	1049	C++	2023-01-23 22:10:53
6	Mathias Tejs	1055	C++	2019-10-17 05:49:31
7	Matheus Aguilar de Oliveira	1115	C++	2023-01-26 16:57:05
8	Simon Fallon	1136	C++	2024-07-07 23:02:06
9	Carlos Miguel Soto	1146	C++	2023-01-23 19:28:06
10	Sebastián Mestre	1191	C++	2023-01-29 20:52:47

#	User	Length	Language	Date
1	Dev Chheda	1577	Java	2021-03-21 16:22:06
2	Josenildo Silva	1761	Java	2018-06-22 03:32:34
3	Doug Goodman	2017	Java	2019-08-19 18:14:34
4	Jesper Öqvist	2945	Java	2018-03-17 15:46:20
5	Arup Ratan Guha	3034	Java	2019-01-03 00:49:44

#	User	Length	Language	Date
1	Benjamin Ye	2374	Kotlin	2023-02-12 23:33:27

#	User	Length	Language	Date
1	Andreas Björklund	1035	Python 2	2018-11-29 14:22:46
2	Hidden user	1207	Python 2	2019-05-12 17:57:13

#	User	Length	Language	Date
1	Viktor Bello Thomsen	922	Python 3	2020-11-03 23:01:21
2	Tim Poulsen	971	Python 3	2020-11-03 20:50:47
3	Oskar Svanström	1312	Python 3	2023-04-24 18:31:48
4	Hidden user	1414	Python 3	2024-06-15 16:41:51
5	Duoduo Zhao	3789	Python 3	2025-07-26 13:50:12

#	User	Length	Language	Date
1	Vincent Lagerros	2754	Rust	2024-04-23 14:40:57

Solution running time distribution