Problem A
Carousel Rides — Problem Statistics

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Submissions	1940
Accepted submissions	884
Submission ratio	45.57%
Authors	895
Accepted authors	798
Author ratio	89.16%

#	User	Runtime	Language	Date
1	Danny Robinson	0.17 s	Bash	2023-11-19 01:45:52

#	User	Runtime	Language	Date
1	Anton Haglund	0.00 s	C	2016-11-10 20:29:03
2	Andrew Roberts	0.00 s	C	2018-04-13 22:03:18
3	Bergur Snorrason	0.00 s	C	2018-10-15 12:49:35
4	Eyleifur Bjarkason	0.00 s	C	2019-04-01 23:41:02
5	Sambit Palit	0.00 s	C	2020-10-25 00:23:02
6	Hidden user	0.00 s	C	2024-03-08 02:11:35
7	Hidden user	0.00 s	C	2025-01-21 09:41:24
8	Ata Kırcadağ	0.00 s	C	2025-04-29 12:40:17

#	User	Runtime	Language	Date
1	Duelene Olson	0.02 s	C#	2016-09-27 16:38:02
2	Mateja Roglic	0.02 s	C#	2016-12-03 11:19:50
3	Soujatya Sanyal	0.02 s	C#	2019-02-10 06:31:16
4	Chi Tran	0.02 s	C#	2020-12-22 09:51:04
5	Sebastian Sternberg	0.02 s	C#	2021-02-26 15:01:11
6	Hidden user	0.02 s	C#	2021-11-08 23:48:31
7	Liam Mislej	0.03 s	C#	2020-08-10 16:48:44
8	Mikael Fiala-Lundström	0.03 s	C#	2021-06-28 23:21:41
9	Artemy Gavrilov	0.04 s	C#	2024-03-01 18:31:14
10	Albin Bohlin	0.05 s	C#	2025-05-09 09:12:38

#	User	Runtime	Language	Date
1	Jacob Harris Cryer Kragh	0.08 s	F#	2023-02-01 18:33:38

#	User	Runtime	Language	Date
1	Norbert Voelker	0.02 s	Go	2021-07-25 00:50:05
2	Sebastian Tabares Amaya (Yesid)	0.09 s	Go	2016-11-16 03:00:40

#	User	Runtime	Language	Date
1	Isaac Arvestad	0.00 s	Haskell	2017-04-04 16:16:39
2	Martin Jackson	0.00 s	Haskell	2017-06-06 19:29:42
3	Brent Yorgey	0.00 s	Haskell	2017-09-28 15:50:06
4	Rudy Matela	0.00 s	Haskell	2024-05-05 14:40:23
5	Steinar Simonnes	0.00 s	Haskell	2024-07-11 23:38:04
6	Aurélien Pepin	0.01 s	Haskell	2019-08-23 15:46:10
7	Hidden user	0.01 s	Haskell	2021-11-12 17:57:10
8	Agus Sentosa Hermawan	0.01 s	Haskell	2021-11-26 12:25:07
9	Hidden user	0.01 s	Haskell	2023-01-13 21:46:49
10	Mason Barnhill	0.01 s	Haskell	2023-06-22 02:29:35

#	User	Runtime	Language	Date
1	Samuel Klingström	0.05 s	Java	2017-07-15 21:35:04
2	CUX "INDIO" PRADA	0.05 s	Java	2025-02-02 12:19:55
3	Erik Baalhuis	0.06 s	Java	2016-08-12 20:04:59
4	Hidden user	0.06 s	Java	2016-08-16 18:55:19
5	Martijn Muijsers	0.06 s	Java	2016-10-18 20:57:58
6	Viraj Maddur	0.06 s	Java	2017-01-28 03:36:47
7	Mehdi Ichou	0.06 s	Java	2017-04-21 16:11:20
8	Martin Wiberg Petersen	0.06 s	Java	2017-09-20 21:19:38
9	Eric Zhang	0.06 s	Java	2017-12-03 23:30:24
10	Sven Rönnbäck	0.06 s	Java	2023-08-24 21:48:33

#	User	Runtime	Language	Date
1	Sander Hellesø	0.05 s	JavaScript (Node.js)	2019-04-26 02:27:02

#	User	Runtime	Language	Date
1	Peter Kedemo	0.01 s	JavaScript (SpiderMonkey)	2016-07-12 23:25:53
2	Bjørn Chr. Soltvedt	0.01 s	JavaScript (SpiderMonkey)	2016-07-25 14:05:48
3	Christian Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-04-21 22:19:03
4	Zach Tschetter	0.03 s	JavaScript (SpiderMonkey)	2023-06-19 19:27:25
5	Intensive Code	0.03 s	JavaScript (SpiderMonkey)	2024-05-18 14:46:36
6	Adam Ismail	0.03 s	JavaScript (SpiderMonkey)	2024-07-03 17:59:56

#	User	Runtime	Language	Date
1	Timothy Gaede	0.55 s	Julia	2024-04-27 05:54:03

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Kotlin	2020-02-05 21:34:19
2	Ola Sundell	0.21 s	Kotlin	2018-06-21 10:26:05
3	Aksel Holbek Sørbye	0.21 s	Kotlin	2022-10-27 15:39:15
4	Marius Andresen	0.22 s	Kotlin	2022-10-27 15:56:32
5	André Dyrstad	0.23 s	Kotlin	2020-08-12 13:01:32
6	Adam Rankin	0.23 s	Kotlin	2023-09-20 18:21:27
7	Sergey Jakobsen	0.25 s	Kotlin	2021-07-23 19:41:28

#	User	Runtime	Language	Date
1	Sander de Haan	0.00 s	Lua	2025-04-14 14:38:47

#	User	Runtime	Language	Date
1	Ingemar Ragnemalm	0.00 s	Pascal	2019-07-07 15:53:39

#	User	Runtime	Language	Date
1	Susanne Ragnemalm	0.01 s	PHP	2024-06-25 12:52:09

#	User	Runtime	Language	Date
1	Andriy Zyevakov	0.02 s	Prolog	2017-07-17 22:06:59

#	User	Runtime	Language	Date
1	Christofer Ohlsson	0.03 s	Python 2	2016-07-07 00:15:50
2	Eric Dand	0.03 s	Python 2	2016-10-20 02:15:17
3	Haggai Liu	0.03 s	Python 2	2017-01-20 08:41:46
4	Landon Marshall	0.03 s	Python 2	2017-11-09 01:17:24
5	Asger Hautop Drewsen	0.03 s	Python 2	2017-11-23 01:20:16
6	Jesper Öqvist	0.03 s	Python 2	2018-11-01 23:48:44
7	Haggai Liu	0.04 s	Python 2	2016-10-20 04:28:56
8	Tomas Alvarez	0.04 s	Python 2	2017-03-27 17:27:03
9	Andre Pratama	0.04 s	Python 2	2017-08-30 08:30:35
10	Johann Ly	0.04 s	Python 2	2018-12-27 05:27:58

#	User	Runtime	Language	Date
1	Thomas Vu	0.02 s	Python 3	2016-10-11 20:04:32
2	Scott Xu	0.02 s	Python 3	2016-10-21 22:21:57
3	Miguel Rodriguez	0.02 s	Python 3	2016-11-10 22:54:33
4	Tom Biju	0.02 s	Python 3	2016-11-17 20:37:56
5	Nathan Collins	0.02 s	Python 3	2017-01-03 00:20:32
6	Casper Freksen	0.02 s	Python 3	2017-04-24 05:15:25
7	Ciara Godwin	0.02 s	Python 3	2017-05-31 03:18:11
8	Gustaf Pihl	0.02 s	Python 3	2017-06-07 23:10:11
9	Sigurður Helgason	0.02 s	Python 3	2017-06-08 11:04:57
10	Денис Соболев	0.02 s	Python 3	2017-07-09 23:29:04

#	User	Runtime	Language	Date
1	Thomas Feld	0.06 s	Ruby	2023-05-09 14:49:34

#	User	Runtime	Language	Date
1	Bas Dirks	0.00 s	Rust	2022-01-19 08:17:38
2	Isak Jägberg	0.00 s	Rust	2023-04-18 14:47:49
3	Alexandr Last	0.00 s	Rust	2023-08-23 19:30:20
4	Jonathan Choi	0.00 s	Rust	2024-03-01 18:29:30
5	Vincent Lagerros	0.00 s	Rust	2024-11-22 17:46:52
6	Mikkel Holmer	0.01 s	Rust	2021-10-07 14:13:06

#	User	Length	Language	Date
1	Danny Robinson	187	Bash	2023-11-19 01:45:52

#	User	Length	Language	Date
1	Hidden user	572	C	2024-03-08 02:11:35
2	Anton Haglund	693	C	2016-11-10 20:29:03
3	Hidden user	750	C	2025-01-21 09:41:24
4	Sambit Palit	751	C	2020-10-25 00:23:02
5	Andrew Roberts	841	C	2018-04-13 22:03:18
6	Ata Kırcadağ	1074	C	2025-04-29 12:40:17
7	Eyleifur Bjarkason	5343	C	2019-04-01 23:41:02
8	Bergur Snorrason	5368	C	2018-10-15 12:49:35

#	User	Length	Language	Date
1	Hidden user	1572	C#	2021-11-08 23:48:31
2	Artemy Gavrilov	1707	C#	2024-03-01 18:31:14
3	Liam Mislej	1764	C#	2020-08-10 16:48:44
4	Mikael Fiala-Lundström	1977	C#	2021-06-28 23:21:41
5	Chi Tran	2037	C#	2020-12-22 09:51:04
6	Mateja Roglic	2156	C#	2016-12-03 11:19:50
7	Duelene Olson	2189	C#	2016-09-27 16:38:02
8	Soujatya Sanyal	2279	C#	2019-02-10 06:31:16
9	Sebastian Sternberg	3426	C#	2021-02-26 15:01:11
10	Albin Bohlin	4186	C#	2025-05-09 09:12:38

#	User	Length	Language	Date
1	William Gan	406	C++	2017-02-28 16:49:59
2	Jalvin Chan Jia Xiang	408	C++	2020-01-08 20:31:14
3	Hrant Hovhannisyan	409	C++	2017-04-20 08:26:22
4	Leonardo Blanger	488	C++	2020-08-24 20:21:51
5	Jiang Yue	492	C++	2018-01-06 11:46:10
6	Armen Andreasyan	495	C++	2018-01-06 18:56:51
7	Zane Yu	499	C++	2018-12-10 12:17:06
8	Way Tan	505	C++	2019-05-06 13:32:49
9	Markus Mathiasen	515	C++	2021-06-02 13:32:59
10	Mario Lorenzo	517	C++	2019-01-27 09:10:49

#	User	Length	Language	Date
1	Jacob Harris Cryer Kragh	1215	F#	2023-02-01 18:33:38

#	User	Length	Language	Date
1	Sebastian Tabares Amaya (Yesid)	600	Go	2016-11-16 03:00:40
2	Norbert Voelker	1049	Go	2021-07-25 00:50:05

#	User	Length	Language	Date
1	Mason Barnhill	646	Haskell	2023-06-22 02:29:35
2	Hidden user	794	Haskell	2025-06-19 18:04:05
3	Hidden user	818	Haskell	2023-01-13 21:46:49
4	Agus Sentosa Hermawan	891	Haskell	2021-11-26 12:25:07
5	Brent Yorgey	893	Haskell	2017-09-28 15:50:06
6	Rudy Matela	936	Haskell	2024-05-05 14:40:23
7	Aurélien Pepin	975	Haskell	2019-08-23 15:46:10
8	Martin Jackson	1017	Haskell	2017-06-06 19:29:42
9	Steinar Simonnes	1156	Haskell	2024-07-11 23:38:04
10	Isaac Arvestad	1291	Haskell	2017-04-04 16:16:39

#	User	Length	Language	Date
1	Hidden user	628	Java	2020-06-02 22:29:56
2	Tiffani Slutsky	663	Java	2020-06-02 21:52:17
3	Doug Goodman	678	Java	2017-06-06 22:41:34
4	Darrin Wiley	724	Java	2017-08-26 18:20:57
5	Stela Palii	751	Java	2017-11-14 18:51:41
6	LovetheFrogs	761	Java	2023-08-01 12:06:26
7	Ian Gonzalez	776	Java	2020-06-02 22:29:01
8	Christopher Ng	802	Java	2023-01-31 16:15:05
9	Wang Zhi Jian	806	Java	2018-08-16 13:06:12
10	Meer Ahmed	824	Java	2025-05-09 03:18:46

#	User	Length	Language	Date
1	Sander Hellesø	1244	JavaScript (Node.js)	2019-04-26 02:27:02

#	User	Length	Language	Date
1	Zach Tschetter	560	JavaScript (SpiderMonkey)	2023-06-19 19:27:25
2	Christian Cederquist	631	JavaScript (SpiderMonkey)	2023-04-21 22:19:03
3	Bjørn Chr. Soltvedt	720	JavaScript (SpiderMonkey)	2016-07-25 14:05:48
4	Peter Kedemo	740	JavaScript (SpiderMonkey)	2016-07-12 23:25:53
5	Adam Ismail	916	JavaScript (SpiderMonkey)	2024-07-03 17:59:56
6	Intensive Code	979	JavaScript (SpiderMonkey)	2024-05-18 14:46:36

#	User	Length	Language	Date
1	Timothy Gaede	1576	Julia	2024-04-27 05:54:03

#	User	Length	Language	Date
1	Sergey Jakobsen	1001	Kotlin	2021-07-23 20:01:09
2	Adam Rankin	1019	Kotlin	2023-09-20 18:21:27
3	André Dyrstad	1100	Kotlin	2020-08-12 13:01:32
4	Aksel Holbek Sørbye	1296	Kotlin	2022-10-27 15:39:15
5	Hidden user	1544	Kotlin	2020-02-05 21:34:19
6	Marius Andresen	1554	Kotlin	2022-10-27 15:56:32
7	Ola Sundell	1566	Kotlin	2018-06-21 10:26:05

#	User	Length	Language	Date
1	Sander de Haan	728	Lua	2025-04-14 14:38:47

#	User	Length	Language	Date
1	Ingemar Ragnemalm	1077	Pascal	2019-07-07 15:53:39

#	User	Length	Language	Date
1	Susanne Ragnemalm	1173	PHP	2024-06-25 12:52:09

#	User	Length	Language	Date
1	Andriy Zyevakov	585	Prolog	2017-07-17 22:06:59

#	User	Length	Language	Date
1	Thomas Feld	278	Python 2	2019-10-01 11:12:10
2	Guan Yang Ze	405	Python 2	2019-09-30 19:52:26
3	Haggai Liu	457	Python 2	2017-01-20 08:41:46
4	Haggai Liu	457	Python 2	2016-10-20 04:28:56
5	Christofer Ohlsson	479	Python 2	2016-07-07 00:15:50
6	Asger Hautop Drewsen	488	Python 2	2017-11-23 01:20:16
7	Sigurður Jens Albertsson	499	Python 2	2019-11-27 01:03:19
8	Lars Åström	546	Python 2	2019-10-31 17:51:36
9	Jesper Öqvist	569	Python 2	2018-11-01 23:48:44
10	Godmar Back	579	Python 2	2019-01-01 03:07:13

#	User	Length	Language	Date
1	Nino Bašić	216	Python 3	2023-01-08 03:22:14
2	Charles Ancheta	254	Python 3	2023-03-28 10:30:03
3	Farzam Abrishami	279	Python 3	2024-01-20 00:50:43
4	Jason Cannon	300	Python 3	2019-12-12 20:28:30
5	Ahmed Chamseddine	311	Python 3	2025-01-03 19:11:05
6	Hidden user	330	Python 3	2023-06-02 17:03:19
7	Christian Blumenthal	332	Python 3	2023-06-16 19:05:53
8	Teikn Smith	337	Python 3	2022-07-01 02:18:33
9	Mathias Rav	343	Python 3	2017-10-11 16:01:20
10	Jerry Xu	353	Python 3	2023-05-05 05:10:21

#	User	Length	Language	Date
1	Thomas Feld	173	Ruby	2023-05-09 14:54:03

#	User	Length	Language	Date
1	Vincent Lagerros	499	Rust	2024-11-22 17:47:23
2	Isak Jägberg	1250	Rust	2023-04-18 14:47:49
3	Bas Dirks	1367	Rust	2022-01-19 08:17:38
4	Alexandr Last	1653	Rust	2023-08-23 19:30:20
5	Mikkel Holmer	1795	Rust	2021-10-07 14:13:06
6	Jonathan Choi	2379	Rust	2024-03-01 18:29:30

Solution running time distribution