Problem M
Matrix Keypad — Problem Statistics

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Submissions	783
Accepted submissions	345
Submission ratio	44.06%
Authors	367
Full solves [?]	306
Full solve Ratio	83.38%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-08-06 11:19:39
2	Hidden user	0.00 s	C	2025-06-09 13:04:27

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	C#	2017-12-19 18:47:07

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-11-13 00:44:44
2	Paul Boddington	0.09 s	Go	2016-05-20 18:57:36

#	User	Runtime	Language	Date
1	Michael Sullivan	0.06 s	Java	2016-03-19 00:51:38
2	Simon Xue	0.06 s	Java	2016-06-09 17:35:00
3	Erik Baalhuis	0.06 s	Java	2016-08-04 00:15:15
4	Martijn Muijsers	0.06 s	Java	2016-10-15 22:47:26
5	Eric Xu	0.06 s	Java	2016-10-22 20:41:01
6	Igor Durovic	0.06 s	Java	2017-11-02 06:26:32
7	Sam Reinehr	0.06 s	Java	2018-10-10 19:28:37
8	Ranjith M	0.06 s	Java	2024-08-15 01:44:39
9	Micah Stairs	0.07 s	Java	2016-12-21 04:44:09
10	Josenildo Silva	0.07 s	Java	2017-07-08 06:33:31

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2019-01-10 02:26:02

#	User	Runtime	Language	Date
1	Jacob Huebner	0.17 s	Kotlin	2020-02-26 02:59:50

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2018-10-29 09:50:13

#	User	Runtime	Language	Date
1	Stu Harvey	0.06 s	Python 2	2016-10-22 20:36:50
2	Ciara Godwin	0.06 s	Python 2	2018-09-02 22:14:39
3	Cian Ruane	0.06 s	Python 2	2018-09-02 22:17:09
4	Kasper Thim	0.06 s	Python 2	2019-03-09 22:40:25
5	John Paul Hanson	0.07 s	Python 2	2016-10-22 23:51:59
6	Michael Laszlo	0.07 s	Python 2	2016-12-28 02:35:47
7	William Booker	0.07 s	Python 2	2017-09-16 00:06:51
8	Jesper Öqvist	0.07 s	Python 2	2018-11-09 03:21:01
9	Måns Magnusson	0.07 s	Python 2	2018-11-13 20:51:20
10	Renato Ferreira	0.08 s	Python 2	2016-10-22 21:24:19

#	User	Runtime	Language	Date
1	Hidden user	0.02 s	Python 3	2018-05-08 19:08:56
2	Fred Bloggs	0.02 s	Python 3	2019-03-06 13:06:57
3	Tianyu Zhang	0.03 s	Python 3	2016-01-20 00:39:45
4	Robert Nesmith	0.03 s	Python 3	2016-10-22 23:40:35
5	Bob Bobbleson	0.03 s	Python 3	2017-09-24 13:52:46
6	Martin Seiler	0.03 s	Python 3	2018-01-01 11:50:09
7	Michael Wong	0.03 s	Python 3	2018-08-02 00:34:40
8	Noah Weninger	0.03 s	Python 3	2019-01-01 07:45:48
9	Kasper Thim	0.03 s	Python 3	2019-03-09 22:41:53
10	Денис Соболев	0.03 s	Python 3	2019-04-27 07:03:16

#	User	Runtime	Language	Date
1	Adam Gausmann	0.00 s	Rust	2019-09-13 20:29:25
2	Atli Fannar Franklín	0.00 s	Rust	2022-01-13 19:13:01
3	Bas Dirks	0.00 s	Rust	2022-04-27 16:11:23

#	User	Length	Language	Date
1	Ivan Petrov	1077	C	2019-08-06 11:19:39
2	Hidden user	1721	C	2025-06-09 13:04:27

#	User	Length	Language	Date
1	Hidden user	3289	C#	2017-12-19 18:47:07

#	User	Length	Language	Date
1	Hidden user	775	C++	2018-03-15 18:00:07
2	Hubert Teo	855	C++	2016-10-22 19:47:50
3	Dhruv Rohatgi	875	C++	2016-04-18 06:17:14
4	Yung Chi Li	878	C++	2023-01-31 01:51:50
5	Wen Li Looi	908	C++	2015-11-17 02:07:25
6	Zac Friggstad	943	C++	2020-04-04 23:21:39
7	Anass Aljarroudi	943	C++	2021-10-20 14:00:47
8	Hidden user	966	C++	2016-12-05 02:23:45
9	Nishan Tamng	980	C++	2018-03-18 14:14:39
10	David Venhoek	988	C++	2016-03-17 11:14:30

#	User	Length	Language	Date
1	Paul Boddington	1113	Go	2016-05-20 18:57:36
2	Norbert Voelker	2471	Go	2021-11-13 00:44:44

#	User	Length	Language	Date
1	Doug Goodman	1094	Java	2017-08-07 18:55:45
2	Soldà Federico	1196	Java	2019-09-06 22:04:03
3	Geson Chong	1285	Java	2016-10-22 21:10:48
4	Daniel West	1291	Java	2017-11-10 21:36:08
5	Sam Reinehr	1378	Java	2018-10-10 19:28:37
6	Joshua Alman	1391	Java	2016-10-22 20:55:00
7	Luke Wolff	1464	Java	2016-10-22 21:19:54
8	John Barczynski	1477	Java	2016-10-22 23:22:15
9	Christopher Chapman	1509	Java	2017-09-16 00:05:20
10	Jeffery Huang	1512	Java	2016-04-16 23:17:18

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1030	JavaScript (SpiderMonkey)	2019-01-10 02:26:02

#	User	Length	Language	Date
1	Jacob Huebner	1963	Kotlin	2020-02-26 02:59:50

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1654	Pascal	2018-10-29 09:50:13

#	User	Length	Language	Date
1	Dhairya Patel	650	Python 2	2020-11-16 00:40:41
2	Måns Magnusson	852	Python 2	2018-11-13 20:51:20
3	Jesper Öqvist	863	Python 2	2018-11-09 03:21:01
4	Renato Ferreira	882	Python 2	2016-10-22 21:24:19
5	Daniel Strizhevsky	991	Python 2	2016-10-22 21:24:14
6	Michael Laszlo	1080	Python 2	2016-12-28 02:35:47
7	Ciara Godwin	1106	Python 2	2018-09-02 22:14:39
8	Cian Ruane	1385	Python 2	2018-09-02 22:17:09
9	Stu Harvey	1728	Python 2	2016-10-22 20:36:50
10	William Booker	1957	Python 2	2017-09-16 00:06:51

#	User	Length	Language	Date
1	Peter Stauder	557	Python 3	2023-01-31 22:19:50
2	Jason Cannon	602	Python 3	2021-03-05 21:58:47
3	Daniel Bogorad	717	Python 3	2025-06-23 22:21:52
4	Michael Wong	733	Python 3	2018-08-02 00:34:40
5	Hidden user	749	Python 3	2018-05-08 19:08:56
6	Tylan McKinney	750	Python 3	2020-10-24 05:21:51
7	Bjørn Dons	793	Python 3	2020-05-08 22:39:09
8	Nicholas Russell Saerang	797	Python 3	2024-02-17 13:45:22
9	Qianlang Chen	802	Python 3	2021-03-05 05:46:54
10	Peter Elliott	804	Python 3	2019-06-30 07:03:16

#	User	Length	Language	Date
1	Adam Gausmann	1822	Rust	2019-09-13 20:29:25
2	Bas Dirks	2372	Rust	2022-04-27 16:11:23
3	Atli Fannar Franklín	16181	Rust	2022-01-13 19:13:01

Solution running time distribution