Problem J
Polygraph — Problem Statistics

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Submissions	281
Accepted submissions	53
Submission ratio	18.86%
Authors	31
Full solves [?]	21
Full solve Ratio	67.74%

#	User	Runtime	Language	Date
1	Dmitry Lyubshin	0.01 s	C++	2018-08-25 05:48:21
2	Hidden user	0.01 s	C++	2025-09-22 18:44:17
3	Alexander Skidanov	0.01 s	C++	2025-09-22 19:09:59
4	António Neves	0.01 s	C++	2025-11-26 14:44:59
5	Jeremy Lim	0.01 s	C++	2025-12-26 10:23:22
6	Hidden user	0.02 s	C++	2014-11-05 18:06:31
7	Johan Sannemo	0.02 s	C++	2014-11-05 18:47:48
8	Lukas Polacek	0.02 s	C++	2014-11-24 15:59:02
9	gulinazha	0.02 s	C++	2026-03-16 08:10:36
10	Joakim Blikstad	0.11 s	C++	2014-11-05 20:18:25

#	User	Runtime	Language	Date
1	Nick Wu	0.46 s	Java	2016-09-05 22:55:50
2	Finn Lidbetter	0.65 s	Java	2017-07-10 18:33:24

#	User	Runtime	Language	Date
1	Andreas Björklund	0.77 s	Python 2	2022-03-28 19:40:46
2	Ivan Petrov	0.79 s	Python 2	2019-09-05 13:46:51
3	Jeremy Lim	0.92 s	Python 2	2023-11-28 13:23:55

#	User	Runtime	Language	Date
1	paopaomate	0.44 s	Python 3	2026-03-16 17:06:42
2	Christoph Dürr	0.61 s	Python 3	2025-12-07 13:50:02
3	Jeremy Lim	0.86 s	Python 3	2023-11-28 14:23:04

#	User	Length	Language	Date
1	Johan Sannemo	1547	C++	2014-11-05 18:47:48
2	Joakim Blikstad	1766	C++	2014-11-05 20:18:25
3	Hidden user	1771	C++	2014-11-05 18:06:31
4	Jeremy Lim	1860	C++	2024-10-23 04:10:33
5	Lukas Polacek	1928	C++	2014-11-24 15:59:02
6	Hidden user	1934	C++	2024-12-30 16:35:32
7	Trade Exchange	1978	C++	2025-08-12 10:26:52
8	Alexander Skidanov	2009	C++	2025-09-22 19:09:59
9	Hidden user	2010	C++	2025-09-22 18:44:17
10	Aron Granberg	2066	C++	2014-11-05 19:44:02

#	User	Length	Language	Date
1	Nick Wu	3279	Java	2016-09-05 22:55:50
2	Finn Lidbetter	3595	Java	2017-07-10 18:33:24

#	User	Length	Language	Date
1	Ivan Petrov	983	Python 2	2019-09-05 13:46:51
2	Jeremy Lim	1026	Python 2	2023-11-28 13:23:55
3	Andreas Björklund	1258	Python 2	2022-03-28 19:40:46

#	User	Length	Language	Date
1	Jeremy Lim	810	Python 3	2023-11-28 14:30:37
2	paopaomate	2790	Python 3	2026-03-16 17:06:42
3	Christoph Dürr	3436	Python 3	2025-12-07 13:50:02

Solution running time distribution