Problem A
Interval Scheduling — Problem Statistics

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Submissions	6932
Accepted submissions	2878
Submission ratio	41.52%
Authors	2084
Full solves [?]	1946
Full solve Ratio	93.38%

#	User	Runtime	Language	Date
1	Eyleifur Bjarkason	0.02 s	C	2021-11-01 19:01:57
2	Thore Husfeldt	0.03 s	C	2019-09-25 17:07:47
3	Max Nilsson	0.03 s	C	2021-10-25 00:33:13
4	Bergur Snorrason	0.03 s	C	2021-11-01 08:56:21
5	Varun Iyer	0.03 s	C	2021-11-08 03:59:50
6	Matthew Weston	0.03 s	C	2022-01-11 00:13:55
7	Alexander Bilde Pedersen	0.03 s	C	2023-04-05 17:09:25
8	紅茶	0.03 s	C	2023-09-13 18:05:48
9	Mario Rossi	0.03 s	C	2023-12-07 16:41:45
10	Mirel Cosulschi	0.03 s	C	2024-09-15 15:56:59

#	User	Runtime	Language	Date
1	traxex	0.08 s	C#	2024-05-06 17:48:25
2	Hidden user	0.10 s	C#	2023-09-07 04:36:21
3	Nicklas Koch Rasmussen	0.10 s	C#	2024-09-03 19:51:10
4	Ezequiel Padillo Molina	0.10 s	C#	2024-09-04 15:57:51
5	Sebastian A Borch Andersen	0.11 s	C#	2024-09-09 22:13:08
6	Sandip Chaudhary	0.11 s	C#	2024-09-11 06:16:09
7	Martin Liu	0.12 s	C#	2023-10-12 06:15:45
8	Gregory Sinclair	0.12 s	C#	2023-12-04 17:45:40
9	Adrian Kari	0.12 s	C#	2024-09-04 09:40:15
10	Sandip Choudhary	0.12 s	C#	2024-09-11 06:20:41

#	User	Runtime	Language	Date
1	Frank Endriss	0.01 s	C++	2021-10-26 17:37:06
2	Agis Daniels	0.01 s	C++	2021-12-08 14:39:11
3	Alexander Kravberg	0.01 s	C++	2021-12-19 12:41:51
4	Nikolaj Bläser	0.02 s	C++	2019-09-20 19:01:09
5	andSubmarine	0.02 s	C++	2019-10-01 22:27:11
6	Frederik Schou Schmidt	0.03 s	C++	2019-09-24 11:49:34
7	Paco Martínez	0.03 s	C++	2019-09-25 17:20:45
8	Timmie Nielsen	0.03 s	C++	2019-11-05 18:38:39
9	Hidden user	0.03 s	C++	2020-09-02 17:15:56
10	Niels Frederik Starklint Brinck	0.03 s	C++	2021-09-06 17:03:27

#	User	Runtime	Language	Date
1	Hidden user	0.08 s	D	2025-10-02 19:14:19

#	User	Runtime	Language	Date
1	Sebastian Cloos Hylander	0.18 s	F#	2026-02-09 15:03:32
2	Lukas Frimer Tholander	0.21 s	F#	2024-09-04 17:16:35
3	Allan Kjær Nielsen	0.26 s	F#	2020-09-02 09:56:26
4	Laurits Kure	0.55 s	F#	2024-09-04 11:23:52

#	User	Runtime	Language	Date
1	Leonora Andrea Lindqvist Nielsen	0.05 s	Go	2023-09-05 20:24:47
2	Norbert Voelker	0.13 s	Go	2021-10-25 00:37:21
3	Kasper Olsen	0.16 s	Go	2020-09-03 12:29:51
4	Jimmy Nejtron	0.20 s	Go	2024-09-25 01:07:45
5	Magnus C.F. Krøyer	0.31 s	Go	2019-10-01 11:52:03
6	Hidden user	2.31 s	Go	2023-11-01 17:49:29

#	User	Runtime	Language	Date
1	Jan Hrček	0.24 s	Haskell	2021-11-22 14:20:39
2	Steinar Simonnes	0.27 s	Haskell	2024-01-31 16:00:36
3	Brent Yorgey	0.34 s	Haskell	2021-10-26 12:41:29
4	Frederik Haagensen	0.88 s	Haskell	2019-10-02 16:18:44
5	Ng Tek In	1.01 s	Haskell	2022-08-15 17:28:36
6	Hidden user	1.23 s	Haskell	2021-10-25 12:33:27

#	User	Runtime	Language	Date
1	Sven Rönnbäck	0.16 s	Java	2021-12-23 21:00:29
2	Guangyi Zhou	0.16 s	Java	2024-11-09 15:54:37
3	Crystal Sharpe	0.18 s	Java	2021-10-31 20:31:52
4	Asmus Tørsleff	0.18 s	Java	2022-02-11 18:55:02
5	Wim Damgaard Rothuizen	0.19 s	Java	2019-10-06 12:57:55
6	Andreas Guldborg Hansen	0.20 s	Java	2022-02-11 17:49:37
7	Hidden user	0.20 s	Java	2022-09-20 16:57:46
8	Nicholas Russell Saerang	0.21 s	Java	2021-12-01 18:44:08
9	Donald Trump	0.22 s	Java	2024-12-16 20:53:05
10	Walter Fowler	0.25 s	Java	2025-11-21 20:05:50

#	User	Runtime	Language	Date
1	Samuel Högfeldt	0.35 s	JavaScript (Node.js)	2022-06-13 14:52:39
2	Thomas Harmeyer	0.35 s	JavaScript (Node.js)	2022-11-13 15:03:02
3	Petya Buchkova	0.69 s	JavaScript (Node.js)	2020-09-05 14:08:19
4	Muhammad Iqbal Bin Imran	0.74 s	JavaScript (Node.js)	2021-11-14 17:47:49

#	User	Runtime	Language	Date
1	Christian Pilegaard Cederquist	0.18 s	JavaScript (SpiderMonkey)	2023-01-18 23:38:44
2	Zach Tschetter	0.18 s	JavaScript (SpiderMonkey)	2025-02-16 23:56:51
3	Bjørn Chr. Soltvedt	0.19 s	JavaScript (SpiderMonkey)	2021-10-25 14:43:13
4	Peter Menyes	0.19 s	JavaScript (SpiderMonkey)	2021-11-04 15:55:57
5	Jimmy Gustafsson	0.19 s	JavaScript (SpiderMonkey)	2024-07-13 20:38:17
6	Nicklas Utgaard	0.20 s	JavaScript (SpiderMonkey)	2021-12-25 16:18:54
7	Evan Magill	0.20 s	JavaScript (SpiderMonkey)	2024-11-23 02:14:31

#	User	Runtime	Language	Date
1	Timothy Gaede	0.76 s	Julia	2024-06-25 10:10:53

#	User	Runtime	Language	Date
1	Adam Rankin	0.69 s	Kotlin	2023-05-06 17:34:47
2	Sam Keyser	0.70 s	Kotlin	2023-04-28 01:03:54
3	Emil Wihlander	0.79 s	Kotlin	2024-07-21 22:52:45
4	Hidden user	1.05 s	Kotlin	2021-09-14 16:53:08
5	Martijn Muijsers	1.05 s	Kotlin	2024-05-31 12:17:01
6	Balazs Toth	1.13 s	Kotlin	2022-09-08 15:20:25
7	Ola Sundell	1.47 s	Kotlin	2023-09-10 19:02:40

#	User	Runtime	Language	Date
1	AP Ljungquist	0.18 s	Nim	2025-02-28 18:51:20

#	User	Runtime	Language	Date
1	Hakan Kjellerstrand	0.38 s	Prolog	2023-02-18 08:36:38

#	User	Runtime	Language	Date
1	Yanmarshus Bachtiar	0.10 s	Python 2	2021-12-20 13:22:01
2	Mads Pedersen	0.16 s	Python 2	2019-09-20 14:37:40
3	Thore Husfeldt	0.16 s	Python 2	2019-09-23 11:27:28
4	Mikkel Hooge Sørensen	0.16 s	Python 2	2019-09-23 11:58:27
5	Frank Andersen	0.16 s	Python 2	2019-09-23 17:01:06
6	Amalie Anderson	0.16 s	Python 2	2020-09-02 19:35:45
7	Servan Güler	0.16 s	Python 2	2020-09-08 22:14:02
8	Frederik Schou Schmidt	0.18 s	Python 2	2019-09-24 10:39:40
9	Mathias Oliver Valdbjørn Jørgensen	0.18 s	Python 2	2019-10-15 12:34:01
10	Katherine Jackson	0.18 s	Python 2	2021-12-02 00:28:44

#	User	Runtime	Language	Date
1	Petr	0.10 s	Python 3	2022-06-17 13:51:10
2	Oskar Haarklou Veileborg	0.11 s	Python 3	2021-10-25 10:17:34
3	Liia Jerjomenko	0.14 s	Python 3	2024-11-13 20:37:35
4	Will Sams	0.15 s	Python 3	2025-03-01 21:47:05
5	Peter Chen	0.15 s	Python 3	2025-03-03 20:15:06
6	Hrutvik Palutla	0.15 s	Python 3	2025-03-04 03:27:52
7	Rishab Pradeep	0.15 s	Python 3	2025-03-04 05:13:47
8	Anish Palley	0.15 s	Python 3	2025-03-04 09:28:16
9	Santiago Arango	0.15 s	Python 3	2025-03-22 21:09:11
10	Viggo Gascou	0.16 s	Python 3	2024-09-04 10:32:16

#	User	Runtime	Language	Date
1	Thomas Feld	0.22 s	Ruby	2023-02-28 13:15:18
2	Andreas Severin Hauch Trøstrup	0.24 s	Ruby	2024-08-28 17:53:59
3	Frederik Petersen	0.27 s	Ruby	2024-03-26 12:43:20

#	User	Runtime	Language	Date
1	Artur Khuziakhmetov	0.01 s	Rust	2022-07-23 09:47:31
2	Jonathan Choi	0.01 s	Rust	2024-02-20 03:56:44
3	Vincent Lagerros	0.01 s	Rust	2024-08-18 20:20:24
4	Joe Blower	0.01 s	Rust	2025-12-08 18:14:16
5	Aaron Lengyel	0.02 s	Rust	2021-10-30 09:16:03
6	Magix	0.02 s	Rust	2021-12-28 11:30:51
7	Mikkel Møller Jensen	0.02 s	Rust	2022-09-08 09:19:17
8	Emil Dichmann	0.02 s	Rust	2023-09-07 17:36:14
9	Leonora Andrea Lindqvist Nielsen	0.02 s	Rust	2023-09-12 23:06:31
10	Erik Magnusson	0.02 s	Rust	2024-01-17 19:13:55

#	User	Runtime	Language	Date
1	Carl Vinggaard	2.05 s	Zig	2025-02-28 18:56:09

#	User	Length	Language	Date
1	Caeden Whitaker	567	C	2021-10-27 20:20:16
2	Thore Husfeldt	662	C	2019-09-25 17:07:47
3	Kaneza Amandine	693	C	2025-01-03 18:21:49
4	Mirel Cosulschi	724	C	2024-09-15 15:56:59
5	Alexander Bilde Pedersen	737	C	2023-04-05 17:09:25
6	Hidden user	738	C	2025-02-14 08:17:18
7	紅茶	749	C	2023-09-13 18:05:48
8	Eryk	822	C	2025-10-02 20:45:49
9	Marcus Alsted Wegmann	950	C	2025-09-03 12:43:09
10	Carlos Veintimilla	1050	C	2024-02-20 06:06:06

#	User	Length	Language	Date
1	Gregory Sinclair	295	C#	2023-12-04 17:45:40
2	traxex	404	C#	2024-05-06 17:48:25
3	Lukas L. Hjelmstrand	496	C#	2024-09-04 10:20:31
4	Michael Daniel Fabiriucs	577	C#	2024-09-05 19:45:33
5	Michael Damsgaard	785	C#	2025-01-03 07:16:40
6	Emil Kastholm Fischer	820	C#	2020-09-03 16:25:39
7	Emil Jäpelt	900	C#	2022-09-08 14:54:43
8	Tore Asbjørn Tonnisen Kjelds	949	C#	2023-09-04 21:41:43
9	Nicklas Lundsteen Jensen	949	C#	2025-09-07 09:56:29
10	Kasper Henningsen	952	C#	2022-09-08 15:48:09

#	User	Length	Language	Date
1	Clement Oh	345	C++	2023-10-31 16:33:58
2	Noah Alto Crow	364	C++	2025-10-02 23:48:48
3	Mohsen Mahroos	374	C++	2023-01-02 08:02:55
4	Christian Yongwhan Lim	384	C++	2023-05-25 08:31:48
5	Ritul Kumar Singh	390	C++	2024-04-27 10:27:46
6	Joel Au	401	C++	2022-01-04 05:14:18
7	Alexandre Jesus	401	C++	2024-04-10 13:35:23
8	Hyunjun Lee	403	C++	2023-01-12 09:44:18
9	Atli Fannar Franklín	409	C++	2022-03-18 16:43:46
10	Mikaela Tereshkov	409	C++	2025-11-04 22:24:18

#	User	Length	Language	Date
1	Hidden user	835	D	2025-10-02 19:14:19

#	User	Length	Language	Date
1	Allan Kjær Nielsen	922	F#	2020-09-02 09:56:26
2	Lukas Frimer Tholander	1845	F#	2024-09-04 17:16:35
3	Sebastian Cloos Hylander	1964	F#	2026-02-11 14:32:04
4	Laurits Kure	2894	F#	2024-09-04 11:23:52

#	User	Length	Language	Date
1	Norbert Voelker	716	Go	2021-10-25 00:37:21
2	Hidden user	758	Go	2023-11-01 17:49:29
3	Magnus C.F. Krøyer	833	Go	2019-09-29 17:37:16
4	Kasper Olsen	863	Go	2020-09-03 19:39:14
5	Leonora Andrea Lindqvist Nielsen	1239	Go	2023-09-12 22:02:23
6	Jimmy Nejtron	2053	Go	2024-09-25 01:07:45

#	User	Length	Language	Date
1	Frederik Haagensen	385	Haskell	2019-10-02 16:18:44
2	Steinar Simonnes	405	Haskell	2024-01-31 15:46:42
3	Ng Tek In	520	Haskell	2022-08-15 17:28:36
4	Jan Hrček	1014	Haskell	2021-11-22 14:20:39
5	Brent Yorgey	7887	Haskell	2021-10-26 12:41:29
6	Hidden user	13140	Haskell	2021-10-25 12:33:27

#	User	Length	Language	Date
1	Yuki Okamoto	577	Java	2022-10-25 03:37:06
2	Quoc-Nam Tran	580	Java	2024-11-18 22:21:48
3	Roman Bucher	651	Java	2019-09-19 11:04:54
4	Hunter Mullen	659	Java	2025-02-09 03:54:33
5	Thore Husfeldt	672	Java	2019-09-17 22:53:41
6	Jesper Falkenberg	687	Java	2020-09-02 12:34:12
7	Ng Yong Xiang	706	Java	2021-12-19 16:34:06
8	Hidden user	706	Java	2022-07-07 05:58:02
9	Pengfei Ji	724	Java	2021-11-22 01:08:13
10	Mason Minton	745	Java	2025-11-22 02:44:29

#	User	Length	Language	Date
1	Thomas Harmeyer	514	JavaScript (Node.js)	2022-11-13 15:03:02
2	Muhammad Iqbal Bin Imran	645	JavaScript (Node.js)	2021-11-14 18:03:25
3	Petya Buchkova	881	JavaScript (Node.js)	2020-09-05 14:08:19
4	Samuel Högfeldt	2206	JavaScript (Node.js)	2022-06-13 14:52:39

#	User	Length	Language	Date
1	Jimmy Gustafsson	149	JavaScript (SpiderMonkey)	2024-07-13 20:39:56
2	Evan Magill	222	JavaScript (SpiderMonkey)	2024-11-23 02:14:31
3	Zach Tschetter	255	JavaScript (SpiderMonkey)	2025-02-16 23:56:51
4	Christian Pilegaard Cederquist	323	JavaScript (SpiderMonkey)	2023-01-18 23:38:44
5	Bjørn Chr. Soltvedt	383	JavaScript (SpiderMonkey)	2021-10-25 14:43:54
6	Peter Menyes	399	JavaScript (SpiderMonkey)	2021-11-04 15:55:57
7	Nicklas Utgaard	617	JavaScript (SpiderMonkey)	2021-12-25 16:18:54

#	User	Length	Language	Date
1	Timothy Gaede	632	Julia	2024-06-25 10:10:53

#	User	Length	Language	Date
1	Emil Wihlander	402	Kotlin	2024-07-21 22:52:45
2	Adam Rankin	421	Kotlin	2023-05-06 17:34:47
3	Balazs Toth	459	Kotlin	2022-09-08 15:23:09
4	Sam Keyser	503	Kotlin	2023-04-28 01:03:54
5	Hidden user	893	Kotlin	2021-09-14 16:53:08
6	Martijn Muijsers	1091	Kotlin	2024-05-31 12:17:01
7	Ola Sundell	2252	Kotlin	2023-09-10 19:02:40

#	User	Length	Language	Date
1	AP Ljungquist	731	Nim	2025-02-28 18:51:20

#	User	Length	Language	Date
1	Hakan Kjellerstrand	366	Prolog	2023-02-18 10:48:36

#	User	Length	Language	Date
1	Agis Daniels	156	Python 2	2022-11-29 21:05:13
2	Johan Lyts	231	Python 2	2021-12-23 13:48:16
3	Thore Husfeldt	252	Python 2	2019-09-17 22:35:19
4	Darshan Kalpesh Desai	252	Python 2	2024-02-29 03:11:19
5	Evan Loo	254	Python 2	2022-07-07 14:56:17
6	John Wilson	267	Python 2	2022-11-05 03:19:16
7	Siim Kruusimäe	267	Python 2	2023-11-15 13:41:28
8	Maryam Siabani	267	Python 2	2023-11-27 03:25:23
9	Jaden DeLeon	267	Python 2	2024-02-24 23:41:11
10	Viktor Bello Thomsen	268	Python 2	2020-05-12 23:01:07

#	User	Length	Language	Date
1	Clement Oh	100	Python 3	2023-07-15 07:27:54
2	Ahmed Chamseddine	129	Python 3	2024-07-18 12:51:08
3	Ahmad Abdulaal	134	Python 3	2023-12-08 20:09:51
4	Farzam Abrishami	139	Python 3	2023-02-19 01:58:36
5	Hidden user	143	Python 3	2025-09-03 13:55:58
6	Kévin Dubrulle	148	Python 3	2024-10-23 14:11:27
7	Agis Daniels	153	Python 3	2022-11-29 21:07:38
8	Thomas Feld	155	Python 3	2022-08-25 12:23:45
9	Kairat Maratbekov	170	Python 3	2025-12-13 18:34:12
10	Brandon Zhang	171	Python 3	2022-05-09 09:12:39

#	User	Length	Language	Date
1	Thomas Feld	65	Ruby	2023-02-28 13:15:18
2	Frederik Petersen	263	Ruby	2024-03-26 12:43:20
3	Andreas Severin Hauch Trøstrup	277	Ruby	2024-09-03 14:28:06

#	User	Length	Language	Date
1	Jonas Ulsnes Jørgensen	625	Rust	2024-09-04 20:08:48
2	Pankajkumar Patro	708	Rust	2024-11-22 20:07:09
3	David Rasch	725	Rust	2022-10-05 15:19:14
4	Isak Jägberg	817	Rust	2024-10-18 21:00:46
5	Dag Andersen	823	Rust	2021-09-08 20:09:35
6	Artur Khuziakhmetov	840	Rust	2022-07-23 09:47:31
7	Bas Dirks	864	Rust	2022-01-01 21:22:35
8	Markus Veerbaum	920	Rust	2024-11-13 17:12:29
9	Johan Flensmark	923	Rust	2022-09-09 19:35:19
10	Connor Nagle	942	Rust	2023-04-25 00:57:57

#	User	Length	Language	Date
1	Carl Vinggaard	1856	Zig	2025-02-28 18:56:09

Solution running time distribution