Problem A
Matrica — Problem Statistics

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Submissions	126
Accepted submissions	23
Submission ratio	18.25%
Authors	33
Full solves [?]	21
Full solve Ratio	63.64%

#	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	Dmitry Lyubshin	0.02 s	C++	2018-03-23 17:14:53
5	Atli Fannar Franklín	0.02 s	C++	2024-12-23 00:11:41
6	Sidhant Bansal	0.04 s	C++	2019-01-23 18:55:36
7	Jeroen Op de Beek	0.04 s	C++	2022-01-13 17:01:20
8	David Wärn	0.06 s	C++	2015-05-14 14:35:51
9	Timon Knigge	0.06 s	C++	2016-05-28 12:38:07
10	Josenildo Silva	0.06 s	C++	2017-02-23 13:44:54

#	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	Duoduo Zhao	0.27 s	Python 3	2025-08-22 09:28:03

#	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	David Wärn	1717	C++	2015-05-14 14:35:51
3	Zac Friggstad	1890	C++	2019-06-20 04:51:51
4	Josenildo Silva	1892	C++	2017-02-23 13:44:54
5	Johan Sannemo	2179	C++	2013-04-24 18:25:09
6	Kevin Moll	2197	C++	2015-06-23 23:01:51
7	Hidden user	2254	C++	2020-05-25 16:59:54
8	Luka Meladze	2305	C++	2025-01-28 19:55:49
9	Dmitry Lyubshin	2354	C++	2018-03-23 17:14:53
10	Sidhant Bansal	2555	C++	2019-01-23 18:55:36

#	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	Duoduo Zhao	5089	Python 3	2025-08-22 09:28:03

Solution running time distribution