Problem A
Interval Cover — Problem Statistics

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Submissions	4980
Accepted submissions	1077
Submission ratio	21.63%
Authors	480
Full solves [?]	407
Full solve Ratio	84.79%

#	User	Runtime	Language	Date
1	Oskar Lundin	0.13 s	C	2021-04-16 16:11:13
2	Axel Sundelin	0.13 s	C	2025-01-30 22:10:52

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.34 s	C#	2014-02-02 23:19:11
2	Hidden user	0.54 s	C#	2026-02-12 22:19:52

#	User	Runtime	Language	Date
1	Leif Eriksson	0.03 s	C++	2018-02-16 23:27:44
2	Erik Nikko	0.04 s	C++	2021-01-29 15:10:44
3	Vladimir Valyukh	0.10 s	C++	2013-02-01 12:36:49
4	Gustav Ahlberg	0.10 s	C++	2013-02-06 00:05:04
5	Jonas Hietala	0.10 s	C++	2014-01-21 20:32:49
6	Caspar Nettelbladt	0.10 s	C++	2014-02-05 12:15:35
7	Markus Niemelä	0.10 s	C++	2014-02-10 11:28:44
8	Max Halldén	0.10 s	C++	2016-02-05 11:41:21
9	Carl Einarson	0.10 s	C++	2016-02-10 14:13:00
10	Meysam Aghighi	0.10 s	C++	2016-02-10 20:45:38

#	User	Runtime	Language	Date
1	Magnus Poromaa	0.12 s	Go	2025-02-18 18:15:44
2	Vilhelm Melkstam	0.91 s	Go	2022-01-26 21:00:57
3	Vilhelm Melkstam	0.92 s	Go	2022-01-26 20:59:29

#	User	Runtime	Language	Date
1	Håkan Warnquist	0.57 s	Java	2013-02-18 13:48:59
2	Johan Runestam	0.72 s	Java	2021-02-11 23:57:39
3	Edvin Bergström	0.74 s	Java	2021-03-30 10:15:43
4	Joel Alexandersson	0.74 s	Java	2022-02-01 21:44:56
5	Daniel Norström	0.77 s	Java	2021-01-28 14:51:41
6	Oscar Nyman	0.78 s	Java	2024-04-18 15:59:27
7	Hidden user	0.85 s	Java	2019-01-18 13:52:28
8	Axel Hellstrand	0.85 s	Java	2024-03-05 16:24:37
9	Paul Höft	0.86 s	Java	2022-02-16 16:25:22
10	Theodor Larsson	0.86 s	Java	2024-03-08 09:57:11

#	User	Runtime	Language	Date
1	Silas Lenz	1.41 s	Kotlin	2019-02-07 15:57:08

#	User	Runtime	Language	Date
1	Henrik Adolfsson	0.53 s	Python 2	2017-01-22 14:25:23

#	User	Runtime	Language	Date
1	Tobias Grandin Karanta	0.28 s	Python 3	2025-01-23 14:50:26
2	Victor Eriksson	0.32 s	Python 3	2024-09-09 14:21:22
3	Oskar Arensmeier	0.32 s	Python 3	2025-04-01 16:09:54
4	Johan Christiansson	0.33 s	Python 3	2024-07-17 10:58:46
5	Daniel Tufvesson	0.34 s	Python 3	2025-02-03 15:05:36
6	Johanna Groven	0.36 s	Python 3	2025-02-14 17:07:16
7	Marcus Friberg Isenborg	0.36 s	Python 3	2026-02-04 14:07:02
8	Hidden user	0.37 s	Python 3	2026-02-03 17:07:57
9	Axel Nielsen	0.39 s	Python 3	2023-02-22 15:15:12
10	Oskar Nyberg	0.41 s	Python 3	2026-01-27 14:34:41

#	User	Runtime	Language	Date
1	Simon Plymouth	0.38 s	Python 3 with NumPy	2025-02-20 11:18:57
2	Dennis Malmgren	1.88 s	Python 3 with NumPy	2023-01-13 09:06:43

#	User	Runtime	Language	Date
1	Alexander Berntsson	0.05 s	Rust	2025-02-08 13:10:22
2	Linus Käll	0.06 s	Rust	2022-02-03 14:29:53
3	David Axelsson	0.06 s	Rust	2024-01-18 16:50:04
4	Axel Thelin	0.06 s	Rust	2024-02-07 12:28:07
5	Leo Jarhede	0.06 s	Rust	2025-02-19 08:01:01

#	User	Length	Language	Date
1	Axel Sundelin	2314	C	2025-01-30 22:10:52
2	Oskar Lundin	2477	C	2021-04-08 22:16:42

#	User	Length	Language	Date
1	Simon Ståhlberg	3632	C#	2014-02-02 23:19:11
2	Hidden user	5660	C#	2026-02-12 22:19:52

#	User	Length	Language	Date
1	Martin Jonson	1457	C++	2023-01-21 17:24:34
2	Herman Appelgren	1463	C++	2020-01-24 20:10:48
3	Mattias Hammar	1566	C++	2019-02-12 20:30:31
4	Robin Boregrim	1648	C++	2025-02-27 14:51:02
5	Morgan Nordberg	1665	C++	2025-01-28 09:37:53
6	Caspar Nettelbladt	1669	C++	2014-02-04 10:45:38
7	Mojtaba Mosavi	1697	C++	2026-02-18 19:25:57
8	Lukas Ingemarsson	1702	C++	2025-01-28 15:00:43
9	Henrik Lindström	1746	C++	2019-01-31 14:15:08
10	Elliot Eriksson	1765	C++	2026-03-02 18:23:41

#	User	Length	Language	Date
1	Vilhelm Melkstam	2536	Go	2022-01-26 20:59:29
2	Vilhelm Melkstam	2536	Go	2022-01-26 21:00:57
3	Magnus Poromaa	7219	Go	2025-02-18 18:26:51

#	User	Length	Language	Date
1	Inge Hansson	4095	Java	2024-04-05 11:09:15
2	Jamie Mersh	4265	Java	2024-01-19 16:18:01
3	Mio Cajander	4287	Java	2024-02-05 15:34:33
4	Julia Andersson	4308	Java	2020-03-02 16:35:00
5	philip norberg	4517	Java	2024-01-18 17:26:46
6	Herman Appelgren	4819	Java	2018-02-11 18:19:09
7	Cristian Torrusio	4849	Java	2018-02-13 13:37:58
8	Jesper Wrang	5056	Java	2019-01-24 22:06:51
9	Joel Alexandersson	5198	Java	2022-02-01 21:44:56
10	Daniel Nyström	5355	Java	2024-02-01 13:56:25

#	User	Length	Language	Date
1	Silas Lenz	4067	Kotlin	2019-02-07 15:57:08

#	User	Length	Language	Date
1	Henrik Adolfsson	945	Python 2	2017-01-22 14:25:23

#	User	Length	Language	Date
1	Jorke de Vlas	421	Python 3	2024-01-22 18:49:55
2	Kevin Scott	729	Python 3	2024-01-27 16:04:23
3	Henrik Adolfsson	945	Python 3	2017-01-22 14:22:58
4	Wenlin Fan	1032	Python 3	2026-02-19 12:40:18
5	Sebastian Frisenfelt	1147	Python 3	2022-02-17 10:52:49
6	Noah Nielsen	1223	Python 3	2024-01-26 21:42:45
7	Mehran Mamivand	1243	Python 3	2025-07-01 20:31:47
8	Edvin Kjell	1303	Python 3	2022-02-06 18:33:02
9	Cajsa Wargren	1381	Python 3	2024-05-13 13:47:20
10	Hidden user	1392	Python 3	2025-02-19 17:31:51

#	User	Length	Language	Date
1	Dennis Malmgren	3085	Python 3 with NumPy	2023-01-13 09:06:43
2	Simon Plymouth	3572	Python 3 with NumPy	2025-02-20 11:18:57

#	User	Length	Language	Date
1	Alexander Berntsson	2976	Rust	2025-02-08 13:31:29
2	David Axelsson	3923	Rust	2024-01-18 16:50:04
3	Linus Käll	4265	Rust	2022-02-03 14:32:30
4	Axel Thelin	5982	Rust	2024-02-07 12:28:07
5	Leo Jarhede	6110	Rust	2025-02-19 08:01:01

Solution running time distribution