Problem A
Roller Coaster Fun — Problem Statistics

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Submissions	1638
Accepted submissions	377
Submission ratio	23.02%
Authors	365
Full solves [?]	263
Full solve Ratio	72.05%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.22 s	C	2019-05-27 09:17:56

#	User	Runtime	Language	Date
1	Fredrik Baldhagen	0.50 s	C#	2024-10-29 02:20:59

#	User	Runtime	Language	Date
1	Fredrik Hernqvist	0.03 s	C++	2016-02-09 18:10:49
2	Frank Endriss	0.03 s	C++	2020-10-11 23:29:51
3	Long Nguyễn Hải	0.03 s	C++	2025-04-04 19:49:13
4	Richard Wang	0.05 s	C++	2025-10-17 05:48:58
5	Mihai Andreescu	0.06 s	C++	2015-11-01 20:35:15
6	Qian Sun	0.06 s	C++	2015-11-03 00:43:26
7	Henrik Adolfsson	0.06 s	C++	2016-10-26 16:44:44
8	Ludo Pulles	0.06 s	C++	2017-02-11 17:12:20
9	Hidden user	0.06 s	C++	2017-05-27 16:01:51
10	Benjamin Qi	0.06 s	C++	2017-09-11 17:03:58

#	User	Runtime	Language	Date
1	Bjørn Dons	0.19 s	Java	2023-05-09 20:27:05
2	Nick Wu	0.21 s	Java	2015-10-09 01:54:05
3	Olav Røthe Bakken	0.21 s	Java	2017-10-25 16:13:56
4	Alexander	0.24 s	Java	2016-11-06 22:54:38
5	Florian Rödig	0.25 s	Java	2016-11-06 22:20:43
6	Benjamin Reidys	0.25 s	Java	2019-10-02 19:16:34
7	jipah	0.25 s	Java	2020-12-14 04:43:50
8	Davide Pallotti	0.26 s	Java	2017-10-26 20:29:02
9	Κώστας Ανεμοζάλης	0.26 s	Java	2020-12-14 04:45:26
10	Omar Brome	0.27 s	Java	2015-07-17 16:19:59

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

#	User	Runtime	Language	Date
1	Sidharth Kannan	0.27 s	Python 3	2025-05-28 20:49:33
2	Danish Nowsheer Shariff	0.29 s	Python 3	2026-03-03 11:11:39
3	Hassan Rana	0.30 s	Python 3	2026-03-09 15:20:57
4	Emre Cikisir	0.32 s	Python 3	2025-06-04 01:24:14
5	HONOUR Oluwakunmiloju Sigbeku	0.32 s	Python 3	2026-03-03 15:05:07
6	Temidayo	0.32 s	Python 3	2026-03-03 15:08:12
7	Tauheed (Towhid)	0.32 s	Python 3	2026-03-09 15:47:17
8	Skills Nwokolo Anthony	0.32 s	Python 3	2026-03-09 16:14:58
9	Kyle Manternach	0.33 s	Python 3	2025-06-03 02:53:12
10	Hidden user	0.33 s	Python 3	2026-03-09 19:23:47

#	User	Runtime	Language	Date
1	Jiaxun Wei	0.23 s	Rust	2025-12-06 13:03:47

#	User	Length	Language	Date
1	Ivan Petrov	946	C	2019-05-27 09:17:56

#	User	Length	Language	Date
1	Fredrik Baldhagen	1619	C#	2024-10-29 02:20:59

#	User	Length	Language	Date
1	Antonio Molina Lovett	485	C++	2016-08-03 09:30:14
2	Wen Li Looi	611	C++	2018-12-28 07:50:01
3	Hidden user	613	C++	2017-05-27 15:41:04
4	Hrant Hovhannisyan	617	C++	2017-04-04 08:59:21
5	William Gan	643	C++	2018-03-11 04:25:50
6	Hidden user	656	C++	2013-03-06 18:41:38
7	David Sarnago	682	C++	2021-09-17 16:08:22
8	boidoid	688	C++	2020-10-17 11:51:29
9	Yeung Man Tsung	700	C++	2023-01-01 17:17:12
10	Lorenzo Ferrari	717	C++	2021-12-21 22:28:24

#	User	Length	Language	Date
1	Florian Rödig	906	Java	2024-05-01 21:56:08
2	Alexander	949	Java	2016-11-06 22:19:53
3	Kevin Kauffman	1396	Java	2021-12-29 05:29:31
4	Olav Røthe Bakken	1508	Java	2017-10-25 16:13:56
5	Hidden user	1609	Java	2022-04-25 03:17:14
6	Abdelrahman Mokbel	1722	Java	2022-10-11 00:00:16
7	Sagnik Biswas	1998	Java	2025-05-10 23:57:35
8	Collin Jakubik	2034	Java	2022-10-13 02:09:09
9	Ethan Li	2081	Java	2021-02-24 01:55:14
10	Intothe Unknown	2240	Java	2023-08-14 12:18:44

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

#	User	Length	Language	Date
1	Nicholas Russell Saerang	476	Python 3	2024-06-09 19:09:28
2	Aniket Kumar	476	Python 3	2024-07-03 12:12:26
3	Jason Yoo	476	Python 3	2024-11-16 09:04:44
4	Jason Vu	476	Python 3	2025-06-04 08:19:51
5	Russell	476	Python 3	2025-09-22 04:49:14
6	Stefan Borné	480	Python 3	2024-08-16 14:58:51
7	Alex Waese-Perlman	525	Python 3	2022-10-23 22:12:36
8	Kelly Dance	665	Python 3	2022-10-30 00:03:58
9	Michael Yang	719	Python 3	2025-05-29 06:20:22
10	Blessing Wushe	737	Python 3	2026-03-08 15:14:36

#	User	Length	Language	Date
1	Jiaxun Wei	2412	Rust	2025-12-06 13:03:47

Solution running time distribution