Problem A
Hopscotch — Problem Statistics

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Submissions	895
Accepted submissions	372
Submission ratio	41.56%
Authors	297
Full solves [?]	247
Full solve Ratio	83.16%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.04 s	C	2019-11-04 09:36:04

#	User	Runtime	Language	Date
1	Jens Erik	0.23 s	C#	2025-11-19 01:56:33
2	Simon Thillemann Nielsen	0.23 s	C#	2025-11-19 01:57:12

#	User	Runtime	Language	Date
1	Chen Luo	0.03 s	C++	2019-08-03 01:11:06
2	Cameron Custer	0.03 s	C++	2022-07-17 07:04:51
3	Justin Li	0.03 s	C++	2022-11-22 08:56:45
4	Peter Jin	0.03 s	C++	2023-10-05 00:54:07
5	Maanas Karwa	0.03 s	C++	2024-02-09 21:53:00
6	Tuấn Nguyễn Hữu	0.03 s	C++	2024-04-24 14:17:52
7	Brandon Zhang	0.03 s	C++	2024-09-02 07:47:52
8	James Tan	0.03 s	C++	2024-09-23 16:16:45
9	greenbinjack	0.03 s	C++	2025-08-03 02:50:04
10	Dat Le	0.03 s	C++	2025-09-24 19:54:00

#	User	Runtime	Language	Date
1	Brent Yorgey	3.76 s	Haskell	2020-05-11 12:54:25

#	User	Runtime	Language	Date
1	Nick Wu	0.12 s	Java	2017-11-05 21:11:21
2	Hidden user	0.14 s	Java	2018-05-05 07:53:19
3	Sagnik Biswas	0.19 s	Java	2023-09-15 05:45:56
4	Rohan Menon	0.19 s	Java	2024-02-16 02:18:19
5	Isaac Lee	0.23 s	Java	2018-03-03 05:21:53
6	Darrin Wiley	0.24 s	Java	2020-10-15 23:51:07
7	Bjørn Dons	0.25 s	Java	2024-01-27 00:35:59
8	Liam Keliher	0.28 s	Java	2018-03-09 22:51:56
9	Arun Deegutla	0.30 s	Java	2023-01-20 00:57:04
10	Mark Wen	0.39 s	Java	2021-11-20 02:19:45

#	User	Runtime	Language	Date
1	Godmar Back	0.39 s	Python 2	2017-11-09 00:09:48

#	User	Runtime	Language	Date
1	Alvin Lee	0.08 s	Python 3	2025-10-02 19:42:51
2	Hidden user	0.08 s	Python 3	2025-10-02 23:50:42
3	bhavin	0.08 s	Python 3	2025-10-03 05:43:34
4	Christopher Gou	0.09 s	Python 3	2025-02-20 15:18:16
5	Tanishq Pauskar	0.09 s	Python 3	2026-02-13 01:14:28
6	Hidden user	0.10 s	Python 3	2025-11-24 21:51:14
7	Hidden user	0.10 s	Python 3	2026-02-14 14:06:54
8	Preetham Yerragudi	0.10 s	Python 3	2026-02-20 02:37:39
9	Seba Villalobos	0.11 s	Python 3	2022-07-13 22:51:16
10	Krish Shah	0.13 s	Python 3	2025-10-03 03:57:12

#	User	Runtime	Language	Date
1	Thomas Feld	0.79 s	Ruby	2023-09-15 14:42:09
2	Josenildo Silva	0.97 s	Ruby	2019-12-15 12:53:06

#	User	Runtime	Language	Date
1	Maanas Karwa	0.03 s	Rust	2024-02-09 22:02:20

#	User	Length	Language	Date
1	Ivan Petrov	1271	C	2019-11-04 09:36:04

#	User	Length	Language	Date
1	Jens Erik	2452	C#	2025-11-19 01:56:33
2	Simon Thillemann Nielsen	2452	C#	2025-11-19 01:57:12

#	User	Length	Language	Date
1	Hidden user	462	C++	2025-04-16 16:50:21
2	Johan Wind	659	C++	2018-10-20 21:31:08
3	Jiahui Lu	710	C++	2017-11-10 01:05:55
4	Leo Lee	746	C++	2023-10-04 21:45:09
5	Yupeng Gu	768	C++	2019-01-16 06:23:36
6	Runze Wang	778	C++	2018-10-31 21:39:20
7	Ethan Guo	778	C++	2019-09-09 22:48:59
8	Nikita Kiselov	822	C++	2026-02-16 22:03:54
9	Justin Tai	868	C++	2026-02-03 05:49:42
10	Cameron Custer	869	C++	2022-07-17 07:04:51

#	User	Length	Language	Date
1	Brent Yorgey	880	Haskell	2020-05-11 12:54:25

#	User	Length	Language	Date
1	Mark Wen	1145	Java	2021-11-20 02:19:45
2	Hidden user	1264	Java	2018-05-05 07:53:19
3	Peter Steele	1288	Java	2017-11-09 04:15:17
4	Arun Deegutla	1347	Java	2023-01-20 00:57:04
5	Doug Goodman	1379	Java	2021-07-02 15:47:31
6	Andrew Polizzotto	1442	Java	2020-09-03 12:08:16
7	Joey Woodson	1484	Java	2017-11-06 04:27:11
8	Andrew Mackey	1602	Java	2018-07-21 23:41:50
9	Sagnik Biswas	1716	Java	2023-09-15 05:45:56
10	Arup Ratan Guha	1748	Java	2018-02-03 22:03:57

#	User	Length	Language	Date
1	Godmar Back	533	Python 2	2017-11-09 02:32:22

#	User	Length	Language	Date
1	Shashank Bhatt	205	Python 3	2024-07-07 04:12:47
2	Angela Qian	216	Python 3	2025-10-01 00:14:07
3	Chris Kopp	218	Python 3	2024-05-16 06:11:34
4	Michael Goldwasser	221	Python 3	2024-03-29 03:43:38
5	Kelly Dance	228	Python 3	2024-04-07 01:47:38
6	Nicholas Russell Saerang	274	Python 3	2024-02-08 05:59:27
7	Hidden user	288	Python 3	2021-11-20 07:12:19
8	Hrant Hovhannisyan	395	Python 3	2025-12-16 07:25:24
9	Wilbert Chu	400	Python 3	2024-09-18 00:06:33
10	Alex Waese-Perlman	461	Python 3	2023-05-03 06:06:23

#	User	Length	Language	Date
1	Thomas Feld	183	Ruby	2023-09-15 14:58:11
2	Josenildo Silva	599	Ruby	2019-12-15 12:53:06

#	User	Length	Language	Date
1	Maanas Karwa	7833	Rust	2024-02-09 22:02:20

Solution running time distribution