Problem K
Surveillance — Problem Statistics

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Submissions	2125
Accepted submissions	414
Submission ratio	19.48%
Authors	390
Full solves [?]	276
Full solve Ratio	70.77%

#	User	Runtime	Language	Date
1	Alexander Bilde Pedersen	0.37 s	C	2025-01-28 17:20:28

#	User	Runtime	Language	Date
1	Алексей Гуйдо	0.87 s	C#	2014-06-28 07:18:50
2	Ivan Komarov	2.97 s	C#	2014-07-13 21:20:25

#	User	Runtime	Language	Date
1	Bartek Dudek	0.08 s	C++	2015-05-13 18:28:52
2	Arash Shakery	0.14 s	C++	2017-02-26 11:27:28
3	Dai Alexander	0.17 s	C++	2016-05-18 14:58:24
4	Alex Dai	0.17 s	C++	2016-08-13 02:37:57
5	Feihu Tang	0.19 s	C++	2014-07-02 15:31:29
6	Alex Zhao	0.20 s	C++	2019-02-09 21:34:32
7	Jeroen Op de Beek	0.20 s	C++	2024-10-03 12:16:43
8	Kaifeng Lyu	0.21 s	C++	2015-03-30 18:40:58
9	Sampriti Panda	0.21 s	C++	2016-06-06 21:59:00
10	Peter Stauder	0.22 s	C++	2022-03-25 21:47:11

#	User	Runtime	Language	Date
1	Bjørn Dons	0.25 s	Java	2024-03-12 16:42:13
2	Валентин Кофман	0.51 s	Java	2014-06-26 13:57:39
3	Ed Kim	0.61 s	Java	2014-07-02 16:36:20
4	Santiago Gutierrez Alzate	0.68 s	Java	2014-06-25 10:25:02
5	Vladislav Isenbaev	1.02 s	Java	2014-06-25 07:02:25
6	Hidden user	1.03 s	Java	2022-05-02 01:34:29
7	Godmar Back	1.11 s	Java	2017-05-18 05:57:28
8	Peter Steele	1.17 s	Java	2017-05-16 20:30:54
9	Chris Wu	1.17 s	Java	2017-05-17 04:38:13
10	Martin Kačer	1.52 s	Java	2019-04-12 21:43:53

#	User	Runtime	Language	Date
1	paopaomate	2.43 s	Python 3	2026-03-16 18:00:55
2	Doug Goodman	2.74 s	Python 3	2023-08-24 22:28:10

#	User	Length	Language	Date
1	Alexander Bilde Pedersen	14875	C	2025-01-28 17:20:28

#	User	Length	Language	Date
1	Алексей Гуйдо	3009	C#	2014-06-28 07:18:50
2	Ivan Komarov	4223	C#	2014-07-13 21:20:25

#	User	Length	Language	Date
1	Alexander Milanin	752	C++	2014-06-25 10:33:12
2	鹿目圆	847	C++	2019-06-25 14:41:30
3	Nikola Pesic	893	C++	2024-04-08 13:45:13
4	Krittisak Chaiyakul	964	C++	2016-05-07 21:56:52
5	testerhellow	967	C++	2021-10-11 04:24:33
6	Mihai Andreescu	982	C++	2016-05-07 20:18:26
7	Shogo Murai	1045	C++	2015-05-18 18:21:12
8	Seokhwan Choi	1073	C++	2014-07-07 08:17:32
9	Kaifeng Lyu	1109	C++	2015-03-30 18:40:58
10	Dai Alexander	1114	C++	2016-05-18 14:58:24

#	User	Length	Language	Date
1	Ed Kim	2070	Java	2014-07-02 16:36:20
2	Evan Dorundo	2358	Java	2014-06-26 07:12:07
3	Josenildo Silva	2505	Java	2021-04-01 02:50:34
4	Juan Pablo Paulsen Casanueva	2711	Java	2017-05-07 06:52:28
5	Hidden user	2846	Java	2022-05-02 01:34:29
6	Валентин Кофман	2923	Java	2014-06-26 13:57:39
7	Vladislav Isenbaev	3126	Java	2014-06-25 07:02:25
8	Peter Steele	3349	Java	2017-05-16 20:27:13
9	Ivan Metelsky	3420	Java	2015-05-26 07:27:55
10	Arup Ratan Guha	3521	Java	2014-07-01 12:56:43

#	User	Length	Language	Date
1	Doug Goodman	1756	Python 3	2023-08-24 22:28:10
2	paopaomate	2387	Python 3	2026-03-16 18:00:55

Solution running time distribution