Problem A
Matrica — Problem Statistics

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Submissions	111
Accepted submissions	31
Submission ratio	27.93%
Authors	38
Full solves [?]	26
Full solve Ratio	68.42%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.01 s	C	2019-05-20 14:39:25

#	User	Runtime	Language	Date
1	Johan Sannemo	0.01 s	C++	2013-04-24 18:25:09
2	Per Persson	0.01 s	C++	2015-01-12 17:26:33
3	Frank Endriss	0.01 s	C++	2021-01-05 21:19:44
4	Jannik Olbrich	0.01 s	C++	2025-09-19 20:06:22
5	paopaomate	0.01 s	C++	2026-03-09 11:13:46
6	Dmitry Lyubshin	0.02 s	C++	2018-03-23 17:14:53
7	Atli Fannar Franklín	0.02 s	C++	2024-12-23 00:11:41
8	Guilherme Machado de Freitas	0.02 s	C++	2025-09-20 02:20:16
9	Sidhant Bansal	0.04 s	C++	2019-01-23 18:55:36
10	Jeroen Op de Beek	0.04 s	C++	2022-01-13 17:01:20

#	User	Runtime	Language	Date
1	Doug Goodman	0.26 s	Java	2021-07-31 18:40:13

#	User	Runtime	Language	Date
1	Andreas Björklund	0.14 s	Python 2	2020-09-09 19:41:13
2	Hidden user	0.22 s	Python 2	2017-12-14 20:50:39

#	User	Runtime	Language	Date
1	Mihir	0.15 s	Python 3	2026-02-25 08:31:26

#	User	Length	Language	Date
1	Ivan Petrov	1926	C	2019-05-20 14:39:25

#	User	Length	Language	Date
1	Man Hin Jeffrey Hon	1210	C++	2013-04-24 18:31:14
2	Jannik Olbrich	1661	C++	2025-09-19 20:16:44
3	David Wärn	1717	C++	2015-05-14 14:35:51
4	Zac Friggstad	1890	C++	2019-06-20 04:51:51
5	Josenildo Silva	1892	C++	2017-02-23 13:44:54
6	Johan Sannemo	2179	C++	2013-04-24 18:25:09
7	Kevin Moll	2197	C++	2015-06-23 23:01:51
8	Hidden user	2254	C++	2020-05-25 16:59:54
9	Luka Meladze	2305	C++	2025-01-28 19:55:49
10	Dmitry Lyubshin	2354	C++	2018-03-23 17:14:53

#	User	Length	Language	Date
1	Doug Goodman	3181	Java	2021-07-31 18:40:13

#	User	Length	Language	Date
1	Hidden user	1373	Python 2	2017-12-14 20:50:39
2	Andreas Björklund	1787	Python 2	2020-09-09 19:41:13

#	User	Length	Language	Date
1	Mihir	2555	Python 3	2026-02-25 08:31:26

Solution running time distribution