Problem A
Interval Cover — Problem Statistics

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Submissions	3183
Accepted submissions	875
Submission ratio	27.49%
Authors	353
Full solves [?]	281
Full solve Ratio	79.60%

#	User	Runtime	Language	Date
1	Johannes Svensson	0.10 s	C	2009-09-17 11:52:06
2	Thibault Raffaillac	0.10 s	C	2014-12-01 13:31:20
3	Mats Linander	0.11 s	C	2006-09-19 13:27:59
4	Henrik Sjögren	0.11 s	C	2006-09-21 23:46:02
5	Erik Gustafsson	0.11 s	C	2007-09-18 17:08:56
6	Hidden user	0.11 s	C	2008-09-18 22:28:26
7	Mikael Auno	0.11 s	C	2008-09-18 22:58:37
8	Hidden user	0.12 s	C	2011-02-14 18:18:13
9	Oskar Arvidsson	0.12 s	C	2011-09-02 13:47:08
10	Oscar Cusin	0.13 s	C	2024-01-24 17:07:47

#	User	Runtime	Language	Date
1	Ulf Lundström	0.10 s	C++	2006-09-06 23:42:56
2	Jesper Särnesjö	0.10 s	C++	2007-09-16 17:23:52
3	Martin Thörne	0.10 s	C++	2007-09-21 02:24:57
4	Tobias Kruseborn	0.10 s	C++	2007-09-21 02:51:43
5	Jonas Moberg	0.10 s	C++	2008-09-04 20:06:51
6	Mark Bartish	0.10 s	C++	2008-09-16 18:22:29
7	Jonas Sundberg	0.10 s	C++	2009-09-16 17:32:15
8	Hidden user	0.10 s	C++	2009-09-16 17:43:55
9	Elias Freider	0.10 s	C++	2009-09-23 14:30:17
10	Pontus Piazzolla	0.10 s	C++	2009-09-24 20:16:38

#	User	Runtime	Language	Date
1	Hjalmar Höglund	0.12 s	Go	2025-07-04 10:08:53

#	User	Runtime	Language	Date
1	Hidden user	0.53 s	Java	2008-09-16 15:50:18
2	Filip Gauffin	0.54 s	Java	2013-02-05 15:55:28
3	Andreas Brytting	0.55 s	Java	2013-02-05 15:54:30
4	Fredrik Ollinen Johansson	0.55 s	Java	2014-02-08 21:53:05
5	Jonas Haglund	0.61 s	Java	2014-02-09 14:44:44
6	Anders Ye	0.61 s	Java	2014-02-09 15:53:50
7	Rikard Blixt	0.62 s	Java	2014-02-04 12:40:46
8	Mattis Kancans Envall	0.62 s	Java	2014-09-29 19:44:50
9	Carl Henrik Klåvus	0.63 s	Java	2013-02-08 17:53:53
10	Felix Grape	0.63 s	Java	2016-09-07 11:23:39

#	User	Runtime	Language	Date
1	Andreas Serra	0.45 s	Python 2	2014-02-06 15:24:01

#	User	Runtime	Language	Date
1	Elias Martinsson	0.33 s	Python 3	2025-01-29 13:09:07
2	Rikaz Nismi	0.40 s	Python 3	2023-02-14 06:31:56
3	Andy Li	0.52 s	Python 3	2025-01-21 17:56:13
4	Karl Walfridson	0.52 s	Python 3	2025-02-06 14:34:35
5	Lara Sheik	0.57 s	Python 3	2020-09-04 11:51:27
6	Robert Welin-Berger	0.60 s	Python 3	2017-09-05 22:37:25
7	Fredrik Hernqvist	0.65 s	Python 3	2020-08-30 15:29:03
8	Hidden user	0.78 s	Python 3	2020-09-10 13:06:02
9	Rickard Mårtensson	0.78 s	Python 3	2020-09-10 15:56:49
10	Andreas Wallström	0.78 s	Python 3	2020-09-20 18:13:04

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2024-01-23 22:27:38
2	Christoffer Andersson	0.04 s	Rust	2024-02-01 18:09:12
3	Christiane Kobalt	0.04 s	Rust	2025-01-31 16:19:58
4	Markus Videfors	0.05 s	Rust	2023-02-13 00:48:28
5	Oskar Svanström	0.05 s	Rust	2023-02-14 09:14:31
6	Gustaf Bergmark	0.06 s	Rust	2023-01-14 17:47:41
7	Emil Hultcrantz	0.06 s	Rust	2025-01-16 14:55:19
8	Fredrik Blomqvist	0.06 s	Rust	2025-02-06 16:36:18
9	Hidden user	0.12 s	Rust	2019-01-16 17:10:40
10	Hidden user	0.12 s	Rust	2019-01-16 18:55:55

#	User	Runtime	Language	Date
1	Felix Stenberg	0.07 s	Zig	2025-02-05 15:11:38

#	User	Length	Language	Date
1	Thibault Raffaillac	1336	C	2014-12-01 12:47:47
2	Hidden user	1569	C	2011-02-13 12:34:01
3	Oskar Arvidsson	1768	C	2011-09-02 13:53:42
4	Oscar Cusin	1835	C	2024-01-24 22:26:00
5	Johannes Svensson	2895	C	2009-09-17 11:52:06
6	Erik Gustafsson	3023	C	2007-09-18 17:08:56
7	Mats Linander	4106	C	2006-09-19 13:27:59
8	Hidden user	5059	C	2008-09-18 20:32:53
9	Mikael Auno	5059	C	2008-09-18 22:52:11
10	Henrik Sjögren	5154	C	2006-09-21 23:46:02

#	User	Length	Language	Date
1	Dmitry Palagin	1262	C++	2006-09-13 15:47:55
2	Rodrigo Gamboa Herrera	1290	C++	2026-01-30 16:57:18
3	Jakob Bergendahl	1397	C++	2006-09-21 23:10:02
4	Petter Lundahl	1471	C++	2015-09-23 10:51:27
5	Christopher Mårtensson	1472	C++	2015-04-24 04:51:58
6	Viktor Collin	1509	C++	2013-01-28 16:20:18
7	David Schlyter	1557	C++	2008-09-14 17:05:10
8	Hidden user	1561	C++	2011-02-24 11:49:06
9	Linus Eriksson	1567	C++	2026-01-29 10:54:32
10	Erik Larsson	1585	C++	2015-02-01 23:02:52

#	User	Length	Language	Date
1	Hjalmar Höglund	3623	Go	2025-07-04 10:08:53

#	User	Length	Language	Date
1	Samuel Zackrisson	2464	Java	2016-09-19 11:05:09
2	Daniel Hollsten	2630	Java	2014-09-15 20:07:24
3	Viktor Mattsson	2867	Java	2014-09-25 14:05:48
4	Erik Odenman	3209	Java	2013-01-25 11:08:23
5	Simon Klein	3405	Java	2011-12-01 21:47:42
6	Erik Markland	3504	Java	2007-09-17 10:11:56
7	Staffan Rydström	3622	Java	2011-09-20 21:44:08
8	Carl Eriksson	3916	Java	2014-09-23 11:12:15
9	Kashmir Klingestedt	3948	Java	2017-09-09 17:57:38
10	Patryk Przybysz	3950	Java	2017-09-20 14:54:02

#	User	Length	Language	Date
1	Andreas Serra	2609	Python 2	2014-02-09 17:14:45

#	User	Length	Language	Date
1	Robert Welin-Berger	1379	Python 3	2017-09-05 22:37:25
2	Lara Sheik	1617	Python 3	2020-09-04 11:51:27
3	Rikaz Nismi	1636	Python 3	2023-02-11 00:09:45
4	Fredrik Hernqvist	1642	Python 3	2020-08-30 15:29:03
5	Elias Martinsson	1765	Python 3	2025-01-29 13:09:07
6	Hidden user	1795	Python 3	2020-09-10 13:06:02
7	Rickard Mårtensson	1892	Python 3	2020-09-10 15:56:49
8	Marcus Oscarsson	1994	Python 3	2023-01-25 15:14:07
9	Andreas Wallström	2393	Python 3	2020-09-20 18:13:04
10	Andy Li	2918	Python 3	2025-01-21 17:56:13

#	User	Length	Language	Date
1	Christoffer Andersson	2220	Rust	2024-01-24 18:25:02
2	Emil Hultcrantz	2835	Rust	2025-01-16 14:55:19
3	Gustaf Bergmark	2853	Rust	2023-01-14 17:47:41
4	Christiane Kobalt	3164	Rust	2025-01-31 16:19:58
5	Vincent Lagerros	3185	Rust	2024-02-04 21:10:27
6	Markus Videfors	3809	Rust	2023-02-13 00:48:28
7	Fredrik Blomqvist	4031	Rust	2025-02-06 16:36:18
8	Hidden user	7914	Rust	2019-01-16 18:01:56
9	Oskar Svanström	9774	Rust	2023-02-14 09:14:31
10	Hidden user	10261	Rust	2019-01-16 18:55:55

#	User	Length	Language	Date
1	Felix Stenberg	8094	Zig	2025-01-29 16:00:40

Solution running time distribution