Problem U
Interval Cover — Problem Statistics

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Submissions	8772
Accepted submissions	2081
Submission ratio	23.72%
Authors	1102
Full solves [?]	843
Full solve Ratio	76.50%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.06 s	C	2019-07-21 00:03:26
2	Vincent Lagerros	0.09 s	C	2023-09-12 18:32:30
3	Johannes Svensson	0.10 s	C	2009-09-17 09:52:06
4	Thibault Raffaillac	0.10 s	C	2014-12-01 12:31:20
5	Mats Linander	0.11 s	C	2006-09-19 11:27:59
6	Henrik Sjögren	0.11 s	C	2006-09-21 21:46:02
7	Erik Gustafsson	0.11 s	C	2007-09-18 15:08:56
8	Mikael Auno	0.11 s	C	2008-09-18 20:58:37
9	Hidden user	0.12 s	C	2011-02-14 17:18:13
10	Oskar Arvidsson	0.12 s	C	2011-09-02 11:47:08

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.34 s	C#	2014-02-02 22:19:11

#	User	Runtime	Language	Date
1	Leif Eriksson	0.03 s	C++	2018-02-16 22:27:44
2	Garðar Ingvarsson	0.03 s	C++	2020-12-15 11:30:49
3	Olle Eriksson	0.04 s	C++	2017-12-03 00:34:22
4	Erik Nikko	0.04 s	C++	2021-01-29 14:10:44
5	Alexander Kravberg	0.04 s	C++	2023-02-26 23:22:25
6	Ng Mun Hin	0.04 s	C++	2026-01-01 09:49:11
7	Vo Khac Trieu	0.04 s	C++	2026-03-14 05:49:23
8	Nicholas Foo Chuan Le	0.08 s	C++	2022-12-05 14:51:06
9	Tomas Lestander	0.09 s	C++	2026-01-18 17:01:10
10	Ulf Lundström	0.10 s	C++	2006-09-06 21:42:56

#	User	Runtime	Language	Date
1	Hjalmar Höglund	0.12 s	Go	2025-07-04 08:08:53
2	Norbert Voelker	0.15 s	Go	2023-06-14 10:29:26
3	Vilhelm Melkstam	0.91 s	Go	2022-01-26 20:00:57
4	Vilhelm Melkstam	0.92 s	Go	2022-01-26 19:59:29

#	User	Runtime	Language	Date
1	Helmut Maierhofer	0.32 s	Haskell	2023-10-19 18:26:17
2	Hidden user	1.28 s	Haskell	2023-03-19 09:14:31
3	Brent Yorgey	1.63 s	Haskell	2021-02-22 03:54:38

#	User	Runtime	Language	Date
1	David Brink	0.39 s	Java	2017-02-04 08:53:36
2	Crystal Sharpe	0.42 s	Java	2020-08-21 15:52:20
3	Andreas Brytting	0.55 s	Java	2013-02-05 14:54:30
4	Hà Minh Ngọc	0.55 s	Java	2015-10-24 16:19:29
5	Håkan Warnquist	0.57 s	Java	2013-02-18 12:48:59
6	Jonas Haglund	0.61 s	Java	2014-02-09 13:44:44
7	Anders Ye	0.61 s	Java	2014-02-09 14:53:50
8	Rikard Blixt	0.62 s	Java	2014-02-04 11:40:46
9	Mattis Kancans Envall	0.62 s	Java	2014-09-29 17:44:50
10	Andrew Polizzotto	0.62 s	Java	2020-12-12 08:32:10

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.32 s	JavaScript (SpiderMonkey)	2023-06-29 21:56:04

#	User	Runtime	Language	Date
1	Benjamin Ye	0.56 s	Kotlin	2022-02-08 18:42:22
2	Silas Lenz	1.41 s	Kotlin	2019-02-07 14:57:08
3	Min-Zheng Shieh	1.92 s	Kotlin	2021-04-30 07:45:59

#	User	Runtime	Language	Date
1	Andreas Serra	0.45 s	Python 2	2014-02-06 14:24:01
2	Oskar Larsson	0.47 s	Python 2	2019-04-24 20:31:40
3	Hasan Kalzi	0.48 s	Python 2	2026-02-04 12:03:37
4	Maj Stenmark	0.50 s	Python 2	2018-08-03 12:43:50
5	Måns Magnusson	0.52 s	Python 2	2018-08-03 12:22:28
6	Henrik Adolfsson	0.53 s	Python 2	2017-01-22 13:25:23
7	Carl Martin Rosenberg	0.55 s	Python 2	2015-11-07 19:18:44
8	Fatima Afzali	0.61 s	Python 2	2019-01-26 20:37:35
9	Andreas Björklund	0.64 s	Python 2	2020-03-07 15:51:37
10	Johan Lyts	1.16 s	Python 2	2020-08-09 12:50:10

#	User	Runtime	Language	Date
1	Tobias Grandin Karanta	0.28 s	Python 3	2025-01-23 13:50:26
2	Ole Vik Lysne	0.29 s	Python 3	2026-02-01 12:51:09
3	Aboagye Tenkorang	0.30 s	Python 3	2026-02-16 14:24:26
4	Skills Nwokolo Anthony	0.30 s	Python 3	2026-03-02 23:52:04
5	Victor Eriksson	0.32 s	Python 3	2024-09-09 12:21:22
6	Oskar Arensmeier	0.32 s	Python 3	2025-04-01 14:09:54
7	Elias Martinsson	0.33 s	Python 3	2025-01-29 12:09:07
8	Hidden user	0.37 s	Python 3	2026-02-03 16:07:57
9	Rikaz Nismi	0.40 s	Python 3	2023-02-14 05:31:56
10	Jonathan Cho	0.41 s	Python 3	2025-03-26 21:26:53

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.02 s	Rust	2025-11-03 15:20:40
2	Christoffer Andersson	0.04 s	Rust	2024-02-01 17:09:12
3	Markus Videfors	0.05 s	Rust	2023-02-12 23:48:28
4	Oskar Svanström	0.05 s	Rust	2023-02-14 08:14:31
5	Alexander Berntsson	0.05 s	Rust	2025-02-08 12:10:22
6	Gustaf Bergmark	0.06 s	Rust	2023-01-14 16:47:41
7	Emil Hultcrantz	0.06 s	Rust	2025-01-16 13:55:19
8	Leo Jarhede	0.06 s	Rust	2025-02-19 07:01:01
9	Victor Millberg	0.07 s	Rust	2021-12-03 12:59:53
10	Muhammad Rais Fathin Mudzakir	0.08 s	Rust	2021-05-13 06:16:44

#	User	Runtime	Language	Date
1	Felix Stenberg	0.07 s	Zig	2025-02-05 14:11:38

#	User	Length	Language	Date
1	Thibault Raffaillac	1336	C	2014-12-01 11:47:47
2	Hidden user	1569	C	2011-02-13 11:34:01
3	Ioannis Br	1638	C	2023-09-12 19:54:18
4	Oskar Arvidsson	1768	C	2011-09-02 11:53:42
5	Oscar Cusin	1835	C	2024-01-24 21:26:00
6	Mirel Cosulschi	1907	C	2024-11-06 16:01:22
7	Jacob Gummesson Atroshi	1927	C	2020-05-03 09:28:05
8	Vincent Lagerros	2184	C	2023-09-12 16:03:44
9	Ivan Petrov	2412	C	2020-01-29 07:00:33
10	Oskar Lundin	2423	C	2021-01-31 19:19:39

#	User	Length	Language	Date
1	Simon Ståhlberg	3632	C#	2014-02-02 22:19:11

#	User	Length	Language	Date
1	Jalvin Chan Jia Xiang	876	C++	2020-04-13 14:21:22
2	Hidden user	896	C++	2026-02-07 18:45:25
3	Thiên Tài Zero	911	C++	2017-10-31 16:19:44
4	Markus Mathiasen	981	C++	2022-08-06 16:58:57
5	Johan Wind	987	C++	2018-04-21 12:37:27
6	Atli Fannar Franklín	1009	C++	2020-05-05 14:49:03
7	Hyunjun Lee	1040	C++	2023-01-12 08:37:00
8	Oskar Haarklou Veileborg	1141	C++	2020-04-28 16:59:25
9	Hidden user	1156	C++	2024-02-13 12:37:16
10	Vignesh Ravibaskar	1162	C++	2026-02-03 23:12:19

#	User	Length	Language	Date
1	Norbert Voelker	2275	Go	2023-03-15 16:17:16
2	Vilhelm Melkstam	2536	Go	2022-01-26 19:59:29
3	Vilhelm Melkstam	2536	Go	2022-01-26 20:00:57
4	Hjalmar Höglund	3623	Go	2025-07-04 08:08:53

#	User	Length	Language	Date
1	Hidden user	2004	Haskell	2023-03-19 09:14:31
2	Brent Yorgey	3179	Haskell	2021-02-22 03:54:38
3	Helmut Maierhofer	3606	Haskell	2023-10-19 18:40:40

#	User	Length	Language	Date
1	Doug Goodman	2009	Java	2018-01-05 18:15:10
2	Crystal Sharpe	2111	Java	2020-08-21 15:53:13
3	William Zhao	2166	Java	2020-07-11 02:27:58
4	Eric Leow Yu Quan	2173	Java	2021-12-14 14:13:17
5	Emilie Hyslop	2237	Java	2021-11-13 00:52:13
6	Samuel Zackrisson	2464	Java	2016-09-19 09:05:09
7	Mohamed Faez Bin Shahlan	2497	Java	2023-02-04 07:27:04
8	Danniel Alcantara	2567	Java	2024-04-30 00:56:47
9	Bryan Jin	2585	Java	2018-08-22 19:22:38
10	Daniel Hollsten	2630	Java	2014-09-15 18:07:24

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	1437	JavaScript (SpiderMonkey)	2023-06-29 21:56:04

#	User	Length	Language	Date
1	Min-Zheng Shieh	1425	Kotlin	2021-04-30 07:45:59
2	Silas Lenz	4067	Kotlin	2019-02-07 14:57:08
3	Benjamin Ye	4875	Kotlin	2022-02-08 18:42:22

#	User	Length	Language	Date
1	Måns Magnusson	887	Python 2	2018-08-03 12:22:28
2	Henrik Adolfsson	945	Python 2	2017-01-22 13:25:23
3	Andreas Björklund	1051	Python 2	2020-03-07 15:51:37
4	Oskar Larsson	1076	Python 2	2019-04-24 20:31:40
5	Johan Lyts	1297	Python 2	2020-08-09 11:54:05
6	Carl Martin Rosenberg	1449	Python 2	2015-11-07 19:18:44
7	Maj Stenmark	1459	Python 2	2018-08-03 12:43:50
8	Fatima Afzali	1538	Python 2	2019-01-26 20:37:35
9	Andreas Serra	2609	Python 2	2014-02-09 16:14:45
10	Hasan Kalzi	5819	Python 2	2026-02-04 12:07:23

#	User	Length	Language	Date
1	Yong Mao	343	Python 3	2024-07-19 01:30:26
2	Iman Khodadi	415	Python 3	2024-02-16 14:59:57
3	Jorke de Vlas	421	Python 3	2024-01-22 17:49:55
4	Holger Dell	425	Python 3	2023-07-01 18:41:20
5	Jonathan Dastrup	526	Python 3	2024-09-12 00:42:53
6	Kevin Scott	729	Python 3	2024-01-27 15:04:23
7	Nicholas Russell Saerang	732	Python 3	2023-06-30 14:36:01
8	Hidden user	732	Python 3	2023-07-14 19:37:46
9	Jonathan Cho	732	Python 3	2025-03-26 21:25:18
10	Gabriela Quinteros	732	Python 3	2025-05-31 03:21:32

#	User	Length	Language	Date
1	Christoffer Andersson	2220	Rust	2024-01-24 17:25:02
2	Emil Hultcrantz	2835	Rust	2025-01-16 13:55:19
3	Gustaf Bergmark	2853	Rust	2023-01-14 16:47:41
4	Alexander Berntsson	2976	Rust	2025-02-08 12:31:29
5	Vincent Lagerros	3185	Rust	2024-02-04 20:10:27
6	Markus Videfors	3809	Rust	2023-02-12 23:48:28
7	Muhammad Rais Fathin Mudzakir	5219	Rust	2021-05-13 06:16:44
8	Leo Jarhede	6110	Rust	2025-02-19 07:01:01
9	Victor Millberg	6648	Rust	2021-12-03 12:53:43
10	Hidden user	7914	Rust	2019-01-16 17:01:56

#	User	Length	Language	Date
1	Felix Stenberg	8094	Zig	2025-01-29 15:00:40

Solution running time distribution