Problem I
Roller Coaster Fun — Problem Statistics

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Submissions	1553
Accepted submissions	357
Submission ratio	22.99%
Authors	342
Full solves [?]	244
Full solve Ratio	71.35%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.22 s	C	2019-05-27 07:17:56

#	User	Runtime	Language	Date
1	Fredrik Baldhagen	0.50 s	C#	2024-10-29 01:20:59

#	User	Runtime	Language	Date
1	Fredrik Hernqvist	0.03 s	C++	2016-02-09 17:10:49
2	Frank Endriss	0.03 s	C++	2020-10-11 21:29:51
3	Long Nguyễn Hải	0.03 s	C++	2025-04-04 17:49:13
4	Richard Wang	0.05 s	C++	2025-10-17 03:48:58
5	Mihai Andreescu	0.06 s	C++	2015-11-01 19:35:15
6	Qian Sun	0.06 s	C++	2015-11-02 23:43:26
7	Henrik Adolfsson	0.06 s	C++	2016-10-26 14:44:44
8	Ludo Pulles	0.06 s	C++	2017-02-11 16:12:20
9	Hidden user	0.06 s	C++	2017-05-27 14:01:51
10	Benjamin Qi	0.06 s	C++	2017-09-11 15:03:58

#	User	Runtime	Language	Date
1	Bjørn Dons	0.19 s	Java	2023-05-09 18:27:05
2	Nick Wu	0.21 s	Java	2015-10-08 23:54:05
3	Olav Røthe Bakken	0.21 s	Java	2017-10-25 14:13:56
4	Alexander	0.24 s	Java	2016-11-06 21:54:38
5	Florian Rödig	0.25 s	Java	2016-11-06 21:20:43
6	Benjamin Reidys	0.25 s	Java	2019-10-02 17:16:34
7	jipah	0.25 s	Java	2020-12-14 03:43:50
8	Davide Pallotti	0.26 s	Java	2017-10-26 18:29:02
9	Κώστας Ανεμοζάλης	0.26 s	Java	2020-12-14 03:45:26
10	Omar Brome	0.27 s	Java	2015-07-17 14:19:59

#	User	Runtime	Language	Date
1	Josenildo Silva	0.98 s	Python 2	2018-08-17 15:21:01

#	User	Runtime	Language	Date
1	Sidharth Kannan	0.27 s	Python 3	2025-05-28 18:49:33
2	Emre Cikisir	0.32 s	Python 3	2025-06-03 23:24:14
3	Kyle Manternach	0.33 s	Python 3	2025-06-03 00:53:12
4	Nils Wikström	0.35 s	Python 3	2025-07-08 11:19:51
5	Michael Yang	0.38 s	Python 3	2025-05-29 04:18:12
6	Jason Yoo	0.39 s	Python 3	2024-11-16 08:04:44
7	Hidden user	0.39 s	Python 3	2025-05-30 15:54:09
8	Jason Vu	0.39 s	Python 3	2025-06-04 06:19:51
9	Russell	0.39 s	Python 3	2025-09-22 02:49:14
10	Liam Yaroschuk	0.41 s	Python 3	2025-06-03 21:41:13

#	User	Runtime	Language	Date
1	Jiaxun Wei	0.23 s	Rust	2025-12-06 12:03:47

#	User	Length	Language	Date
1	Ivan Petrov	946	C	2019-05-27 07:17:56

#	User	Length	Language	Date
1	Fredrik Baldhagen	1619	C#	2024-10-29 01:20:59

#	User	Length	Language	Date
1	Antonio Molina Lovett	485	C++	2016-08-03 07:30:14
2	Wen Li Looi	611	C++	2018-12-28 06:50:01
3	Hidden user	613	C++	2017-05-27 13:41:04
4	Hrant Hovhannisyan	617	C++	2017-04-04 06:59:21
5	William Gan	643	C++	2018-03-11 03:25:50
6	Hidden user	656	C++	2013-03-06 17:41:38
7	David Sarnago	682	C++	2021-09-17 14:08:22
8	boidoid	688	C++	2020-10-17 09:51:29
9	Yeung Man Tsung	700	C++	2023-01-01 16:17:12
10	Lorenzo Ferrari	717	C++	2021-12-21 21:28:24

#	User	Length	Language	Date
1	Florian Rödig	906	Java	2024-05-01 19:56:08
2	Alexander	949	Java	2016-11-06 21:19:53
3	Kevin Kauffman	1396	Java	2021-12-29 04:29:31
4	Olav Røthe Bakken	1508	Java	2017-10-25 14:13:56
5	Hidden user	1609	Java	2022-04-25 01:17:14
6	Abdelrahman Mokbel	1722	Java	2022-10-10 22:00:16
7	Sagnik Biswas	1998	Java	2025-05-10 21:57:35
8	Collin Jakubik	2034	Java	2022-10-13 00:09:09
9	Ethan Li	2081	Java	2021-02-24 00:55:14
10	Intothe Unknown	2240	Java	2023-08-14 10:18:44

#	User	Length	Language	Date
1	Josenildo Silva	658	Python 2	2018-08-17 15:21:01

#	User	Length	Language	Date
1	Nicholas Russell Saerang	476	Python 3	2024-06-09 17:09:28
2	Aniket Kumar	476	Python 3	2024-07-03 10:12:26
3	Jason Yoo	476	Python 3	2024-11-16 08:04:44
4	Jason Vu	476	Python 3	2025-06-04 06:19:51
5	Russell	476	Python 3	2025-09-22 02:49:14
6	Stefan Borné	480	Python 3	2024-08-16 12:58:51
7	Alex Waese-Perlman	525	Python 3	2022-10-23 20:12:36
8	Kelly Dance	665	Python 3	2022-10-29 22:03:58
9	Michael Yang	719	Python 3	2025-05-29 04:20:22
10	Emre Cikisir	784	Python 3	2025-06-03 23:24:14

#	User	Length	Language	Date
1	Jiaxun Wei	2412	Rust	2025-12-06 12:03:47

Solution running time distribution