Problem A
Linear Equation Solver — Problem Statistics

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Submissions	1833
Accepted submissions	497
Submission ratio	27.11%
Authors	211
Full solves [?]	139
Full solve Ratio	65.88%

#	User	Runtime	Language	Date
1	Henrik Sjögren	0.02 s	C	2006-11-16 22:05:29
2	Thibault Raffaillac	0.02 s	C	2011-11-19 17:01:12
3	John Eriksson	0.02 s	C	2015-09-21 22:35:49
4	Mats Linander	0.03 s	C	2006-11-17 06:21:43

#	User	Runtime	Language	Date
1	Håkan Terelius	0.02 s	C++	2006-11-06 22:41:04
2	Ulf Lundström	0.02 s	C++	2006-11-16 17:37:08
3	Hidden user	0.02 s	C++	2006-11-16 22:06:14
4	Patrik Lilja	0.02 s	C++	2007-11-04 12:37:18
5	Hidden user	0.02 s	C++	2007-11-13 16:26:31
6	Hidden user	0.02 s	C++	2007-11-14 19:11:05
7	Jesper Särnesjö	0.02 s	C++	2007-11-14 20:46:37
8	Erik Gustafsson	0.02 s	C++	2007-11-15 00:31:55
9	Niklas Nummelin	0.02 s	C++	2007-11-15 20:53:17
10	Erik Hammar	0.02 s	C++	2007-11-16 22:53:40

#	User	Runtime	Language	Date
1	Hanif Farahmand Mokarremi	0.22 s	Java	2011-11-14 22:59:29
2	Staffan Rydström	0.22 s	Java	2011-11-15 01:53:37
3	Simon Klein	0.22 s	Java	2012-01-15 11:25:58
4	Elias Andersson	0.22 s	Java	2016-09-21 15:11:22
5	Johan Stenberg	0.23 s	Java	2014-03-10 16:33:36
6	Ludvig Jansson	0.23 s	Java	2015-09-22 13:58:52
7	André Danielsson	0.23 s	Java	2016-09-18 12:08:22
8	David Gonçalves Bermúdez	0.23 s	Java	2026-01-31 17:01:22
9	Ashkan Jahanbakhsh	0.24 s	Java	2011-11-15 10:54:54
10	Dexter Gramfors	0.24 s	Java	2015-09-23 16:00:16

#	User	Runtime	Language	Date
1	Andreas Serra	0.07 s	Python 2	2014-04-08 21:53:47
2	Kai Widell Niigata	0.07 s	Python 2	2014-04-13 17:54:57

#	User	Runtime	Language	Date
1	Elias Martinsson	0.13 s	Python 3	2025-02-06 17:42:18

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.01 s	Rust	2024-02-04 02:58:13
2	Hidden user	0.02 s	Rust	2019-01-22 11:46:49
3	Hidden user	0.02 s	Rust	2019-01-22 11:49:29
4	Gustaf Bergmark	0.02 s	Rust	2023-02-10 10:50:10

#	User	Length	Language	Date
1	Thibault Raffaillac	2403	C	2011-11-19 17:17:39
2	John Eriksson	5636	C	2015-09-21 22:35:49
3	Henrik Sjögren	10314	C	2006-11-16 05:04:45
4	Mats Linander	10918	C	2006-11-17 06:21:43

#	User	Length	Language	Date
1	Rodrigo Gamboa Herrera	1747	C++	2026-02-05 12:06:38
2	Simon Lindholm	1983	C++	2015-09-21 21:45:06
3	Daniel Gustafsson	2023	C++	2008-10-04 19:43:35
4	Joakim Blikstad	2175	C++	2015-02-18 19:00:35
5	Mårten Wiman	2201	C++	2015-09-18 11:48:16
6	Marcus Oscarsson	2217	C++	2023-02-12 00:38:50
7	Ghazal Rabiei	2267	C++	2026-02-05 13:55:13
8	Thibault Raffaillac	2428	C++	2011-11-19 19:24:48
9	Håkan Terelius	2476	C++	2006-11-06 22:41:04
10	Hidden user	2483	C++	2007-11-14 21:31:18

#	User	Length	Language	Date
1	Hanif Farahmand Mokarremi	3281	Java	2011-11-14 23:36:19
2	Samuel Zackrisson	3356	Java	2016-09-19 16:43:26
3	David Gonçalves Bermúdez	3911	Java	2026-01-31 17:01:22
4	Hidden user	3916	Java	2007-11-13 22:20:24
5	Erik Markland	3916	Java	2007-11-13 22:33:54
6	Joakim Uddholm	4058	Java	2014-09-28 15:30:13
7	Ashkan Jahanbakhsh	4088	Java	2011-11-15 10:54:54
8	Niklas Wanngren	4300	Java	2008-11-11 16:24:36
9	Staffan Rydström	5072	Java	2011-11-15 01:53:37
10	Erik Odenman	5305	Java	2013-04-22 13:40:51

#	User	Length	Language	Date
1	Andreas Serra	3199	Python 2	2014-04-08 21:53:47
2	Kai Widell Niigata	4252	Python 2	2014-04-13 17:54:57

#	User	Length	Language	Date
1	Elias Martinsson	1978	Python 3	2025-02-06 17:42:18

#	User	Length	Language	Date
1	Vincent Lagerros	6485	Rust	2024-02-04 02:58:13
2	Gustaf Bergmark	8781	Rust	2023-02-10 10:50:10
3	Hidden user	10178	Rust	2019-02-07 14:43:30
4	Hidden user	11113	Rust	2019-01-22 12:46:14

Solution running time distribution