Problem I
Maximum Number of Colinear Points — Problem Statistics

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Submissions	666
Accepted submissions	306
Submission ratio	45.95%
Authors	112
Full solves [?]	91
Full solve Ratio	81.25%

#	User	Runtime	Language	Date
1	Oscar Cusin	0.40 s	C	2024-05-06 00:07:10
2	Henrik Sjögren	0.44 s	C	2006-12-06 16:41:16
3	Mats Linander	0.44 s	C	2006-12-07 11:49:58

#	User	Runtime	Language	Date
1	Hidden user	0.13 s	C++	2019-11-03 22:40:10
2	David Avellan-Hultman	0.13 s	C++	2020-12-08 02:18:15
3	Johan Litsfeldt	0.14 s	C++	2012-07-31 19:12:06
4	Mattias Harrysson	0.14 s	C++	2015-12-10 17:44:16
5	Arne Maximilian Kaul	0.15 s	C++	2016-12-08 09:38:56
6	Jui-Yang Hsu	0.15 s	C++	2017-12-06 20:09:53
7	Herman Karlsson	0.17 s	C++	2017-12-02 13:18:26
8	Oskar Werkelin Ahlin	0.26 s	C++	2011-05-09 22:55:16
9	Joel Bohman	0.26 s	C++	2011-05-15 11:09:32
10	Linus Wallgren	0.26 s	C++	2011-05-17 01:07:11

#	User	Runtime	Language	Date
1	Hidden user	0.67 s	Go	2019-05-09 13:03:57

#	User	Runtime	Language	Date
1	Ashkan Jahanbakhsh	0.64 s	Java	2011-12-12 19:20:26
2	Staffan Rydström	0.65 s	Java	2011-12-12 00:02:03
3	Hanif Farahmand Mokarremi	0.65 s	Java	2011-12-12 18:07:43
4	Erik Odenman	0.77 s	Java	2013-05-14 11:55:20
5	Gunnar Peng	0.93 s	Java	2008-02-23 17:42:01
6	Simon Klein	0.99 s	Java	2011-12-31 10:48:36
7	Martin Engelin	0.99 s	Java	2017-11-24 13:08:55
8	Felix De Silva	0.99 s	Java	2017-12-04 13:38:19
9	Jonas Aule	1.01 s	Java	2011-05-17 05:14:58
10	Carl Frendin	1.07 s	Java	2014-05-11 14:55:39

#	User	Runtime	Language	Date
1	Andreas Serra	0.60 s	Python 2	2014-05-05 17:55:45
2	Kai Widell Niigata	0.60 s	Python 2	2014-05-11 17:37:53

#	User	Runtime	Language	Date
1	Elliot Skogsberg Rydell	0.95 s	Python 3	2024-02-28 00:51:25
2	Rickard Mårtensson	1.19 s	Python 3	2020-12-06 15:59:13
3	Andreas Wallström	1.19 s	Python 3	2020-12-06 16:07:05
4	Andy Li	1.81 s	Python 3	2025-05-08 17:41:34
5	Karl Walfridson	1.82 s	Python 3	2025-05-08 17:46:26
6	Elias Martinsson	2.43 s	Python 3	2025-05-07 23:47:32

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.17 s	Rust	2024-04-14 00:33:51
2	Gustaf Bergmark	0.38 s	Rust	2023-05-09 14:13:21

#	User	Length	Language	Date
1	Henrik Sjögren	6881	C	2006-12-06 16:41:16
2	Mats Linander	6961	C	2006-12-07 11:49:58
3	Oscar Cusin	20575	C	2024-05-06 00:07:10

#	User	Length	Language	Date
1	Johan Litsfeldt	921	C++	2012-07-31 19:12:06
2	Hidden user	937	C++	2019-11-03 21:56:06
3	Hidden user	1231	C++	2006-11-28 16:37:12
4	Oskar Werkelin Ahlin	1240	C++	2011-05-09 21:52:37
5	Joel Bohman	1586	C++	2011-05-15 11:09:32
6	Linus Wallgren	1586	C++	2011-05-17 01:07:11
7	Mattias Harrysson	1816	C++	2015-12-10 17:44:16
8	Robin Eggestig	1840	C++	2025-04-22 12:29:34
9	David Vega	2427	C++	2017-12-07 16:29:08
10	Hidden user	2603	C++	2017-10-31 13:56:57

#	User	Length	Language	Date
1	Hidden user	1742	Go	2019-05-09 13:03:57

#	User	Length	Language	Date
1	Jonas Aule	1937	Java	2011-05-16 17:56:44
2	Gunnar Peng	2071	Java	2008-02-23 17:42:01
3	Martin Engelin	3078	Java	2017-11-24 13:08:55
4	Felix De Silva	3517	Java	2017-12-04 13:38:19
5	Staffan Rydström	3945	Java	2011-12-11 19:40:55
6	Florian Cassayre	4263	Java	2019-05-04 21:34:16
7	Hanif Farahmand Mokarremi	4530	Java	2011-12-12 18:02:37
8	Jens Ståhl	4876	Java	2014-05-09 15:54:40
9	Alice Heavey	5336	Java	2017-12-06 15:32:43
10	Simon Klein	5380	Java	2011-12-31 10:48:36

#	User	Length	Language	Date
1	Andreas Serra	1774	Python 2	2014-05-05 17:55:45
2	Kai Widell Niigata	1965	Python 2	2014-05-11 17:37:53

#	User	Length	Language	Date
1	Elliot Skogsberg Rydell	740	Python 3	2024-02-28 00:51:25
2	Karl Walfridson	1028	Python 3	2025-05-07 12:02:46
3	Andy Li	2057	Python 3	2025-05-08 17:41:34
4	Rickard Mårtensson	5109	Python 3	2020-12-06 15:52:18
5	Andreas Wallström	5219	Python 3	2020-12-06 16:07:05
6	Elias Martinsson	8968	Python 3	2025-05-04 20:31:20

#	User	Length	Language	Date
1	Vincent Lagerros	4362	Rust	2024-04-14 00:33:51
2	Gustaf Bergmark	15810	Rust	2023-05-09 14:13:21

Solution running time distribution