Problem A
Hopscotch 50 — Problem Statistics

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Submissions	3050
Accepted submissions	1174
Submission ratio	38.49%
Authors	917
Full solves [?]	839
Full solve Ratio	91.49%

#	User	Runtime	Language	Date
1	Sambit Palit	0.01 s	C	2020-10-04 20:01:57
2	Mirel Cosulschi	0.01 s	C	2024-11-08 17:59:55
3	Bergur Snorrason	0.02 s	C	2020-02-23 17:36:59
4	Ivan Petrov	0.02 s	C	2020-03-18 09:16:19

#	User	Runtime	Language	Date
1	Norbert Voelker	0.10 s	Go	2021-09-07 20:15:34

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.05 s	Haskell	2024-05-11 18:46:02

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.10 s	Java	2020-07-25 23:06:34
2	Sven Rönnbäck	0.10 s	Java	2023-12-05 22:09:32
3	Andrew Li	0.10 s	Java	2025-03-21 22:42:47
4	Journer Journey	0.13 s	Java	2021-06-29 23:48:33
5	Jiaming Liu	0.13 s	Java	2023-11-18 02:04:53
6	Torstein Strømme	0.14 s	Java	2020-03-05 12:06:15
7	Hidden user	0.14 s	Java	2022-12-03 00:55:54
8	Jacob Harris Cryer Kragh	0.14 s	Java	2023-09-24 08:39:24
9	Andrew Polizzotto	0.15 s	Java	2020-08-04 00:36:56
10	Vu Minh Hieu	0.15 s	Java	2024-03-15 17:48:51

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.04 s	JavaScript (SpiderMonkey)	2020-03-06 05:37:27
2	Christian Pilegaard Cederquist	0.10 s	JavaScript (SpiderMonkey)	2023-05-31 10:50:53

#	User	Runtime	Language	Date
1	Jacob Huebner	0.22 s	Kotlin	2022-03-29 08:05:08
2	Sam Keyser	0.22 s	Kotlin	2022-03-31 03:48:41
3	Ivan Petrov	0.24 s	Kotlin	2020-03-09 16:00:46
4	Nicholas Johnson	0.30 s	Kotlin	2020-02-26 00:27:59
5	Adam Rankin	0.31 s	Kotlin	2023-09-15 20:29:46
6	Jonathan Soo	0.62 s	Kotlin	2020-02-23 05:27:04

#	User	Runtime	Language	Date
1	Björn Magnusson	0.08 s	Python 2	2020-08-19 17:41:03
2	Hidden user	0.09 s	Python 2	2020-02-22 16:25:07
3	Lars Åström	0.09 s	Python 2	2020-03-02 17:07:56
4	Thomas Feld	0.10 s	Python 2	2020-02-26 16:25:31
5	Andreas Björklund	0.14 s	Python 2	2020-03-22 17:53:42
6	Måns Magnusson	0.30 s	Python 2	2020-08-19 17:32:16
7	Maj Stenmark	0.30 s	Python 2	2020-08-28 22:28:14

#	User	Runtime	Language	Date
1	Noah Hessen Bjerke	0.06 s	Python 3	2025-11-28 03:18:11
2	Petr	0.07 s	Python 3	2025-05-16 00:44:03
3	Peter Ton	0.08 s	Python 3	2024-10-20 20:39:03
4	Dominic Berzin Chua Way Gin	0.08 s	Python 3	2025-04-18 06:30:46
5	Greg Hamerly	0.09 s	Python 3	2020-04-22 19:00:23
6	Tylan McKinney	0.09 s	Python 3	2020-10-15 00:16:43
7	Peter Stauder	0.09 s	Python 3	2022-10-31 08:33:03
8	Xu Jundong	0.09 s	Python 3	2023-04-23 09:53:47
9	Bi Xiaohan	0.09 s	Python 3	2023-04-24 19:11:48
10	Zhang Yuhuang	0.09 s	Python 3	2023-04-25 16:04:05

#	User	Runtime	Language	Date
1	Thomas Feld	0.67 s	Ruby	2023-09-16 07:34:30

#	User	Runtime	Language	Date
1	Daniel Anker Hermansen	0.00 s	Rust	2023-11-02 15:30:47
2	Tomas Möre	0.01 s	Rust	2022-02-06 23:06:10
3	Pavel Sergeev	0.02 s	Rust	2020-02-25 21:04:12
4	Leslie Yip	0.02 s	Rust	2022-11-15 12:08:42
5	Bas Dirks	0.08 s	Rust	2022-05-20 09:46:35

#	User	Length	Language	Date
1	Mirel Cosulschi	1375	C	2024-11-08 17:59:55
2	Ivan Petrov	1888	C	2020-03-18 09:16:19
3	Bergur Snorrason	2044	C	2020-02-23 17:36:59
4	Sambit Palit	2626	C	2020-10-04 20:01:57

#	User	Length	Language	Date
1	Xingyu Zhou	704	C++	2020-02-22 16:40:47
2	Wen Li Looi	705	C++	2020-03-28 18:11:10
3	黃浚誠	714	C++	2021-06-24 12:38:07
4	黃浚瑜	716	C++	2021-06-24 05:39:51
5	Dmitry Lyubshin	735	C++	2023-03-29 15:16:56
6	Tomasz Idziaszek	751	C++	2020-02-24 12:08:44
7	Tianqi Feng	770	C++	2021-08-20 12:32:24
8	hc w	772	C++	2024-01-25 02:27:23
9	Lam Phuoc Huy	784	C++	2024-06-11 10:28:32
10	Luca Araujo	797	C++	2023-04-22 22:20:55

#	User	Length	Language	Date
1	Norbert Voelker	1410	Go	2021-09-07 20:20:41

#	User	Length	Language	Date
1	Steinar Simonnes	1882	Haskell	2024-05-11 18:46:02

#	User	Length	Language	Date
1	Hidden user	950	Java	2020-02-22 16:26:53
2	Journer Journey	1072	Java	2021-06-30 01:09:32
3	Jacqueline van der Meulen	1262	Java	2020-02-22 16:37:14
4	William Quiroga	1282	Java	2020-02-22 16:25:56
5	Arup Ratan Guha	1292	Java	2020-02-22 17:46:04
6	Doug Goodman	1408	Java	2020-06-26 17:29:19
7	Julia Tönnies	1466	Java	2020-03-06 16:10:36
8	Jacob Franz	1472	Java	2020-02-22 16:57:42
9	Sarinda Samarasinghe	1606	Java	2020-02-22 16:35:07
10	Brett Fazio	1739	Java	2020-02-22 16:35:38

#	User	Length	Language	Date
1	Christian Pilegaard Cederquist	912	JavaScript (SpiderMonkey)	2023-05-31 10:50:53
2	Bjørn Chr. Soltvedt	1067	JavaScript (SpiderMonkey)	2020-03-06 05:50:47

#	User	Length	Language	Date
1	Nicholas Johnson	1489	Kotlin	2020-02-26 00:30:55
2	Jacob Huebner	1524	Kotlin	2020-02-25 23:46:33
3	Ivan Petrov	1751	Kotlin	2020-03-09 16:00:46
4	Sam Keyser	2668	Kotlin	2022-03-31 03:48:41
5	Adam Rankin	2810	Kotlin	2023-09-15 20:29:46
6	Jonathan Soo	4797	Kotlin	2020-02-23 05:24:59

#	User	Length	Language	Date
1	Thomas Feld	507	Python 2	2020-02-26 16:25:31
2	Lars Åström	568	Python 2	2020-03-02 17:07:56
3	Björn Magnusson	648	Python 2	2020-08-19 17:41:03
4	Andreas Björklund	691	Python 2	2020-03-22 17:53:42
5	Hidden user	745	Python 2	2020-02-22 16:25:07
6	Måns Magnusson	753	Python 2	2020-08-19 17:32:16
7	Maj Stenmark	753	Python 2	2020-08-28 22:28:14

#	User	Length	Language	Date
1	Noah Hessen Bjerke	362	Python 3	2025-11-28 03:18:11
2	Peter Stauder	397	Python 3	2022-10-31 08:37:56
3	Lex Janssens	436	Python 3	2025-10-09 10:05:40
4	Yong Mao	454	Python 3	2023-12-09 21:43:46
5	Ahmed Chamseddine	467	Python 3	2025-01-29 15:10:11
6	Marshall D Feng	500	Python 3	2023-12-11 00:00:23
7	Shashank Bhatt	511	Python 3	2023-05-17 22:28:58
8	Wang Yihan	549	Python 3	2023-04-19 18:12:35
9	Oskar Haarklou Veileborg	560	Python 3	2020-04-26 00:00:38
10	Casper Rysgaard	595	Python 3	2023-06-03 19:14:46

#	User	Length	Language	Date
1	Thomas Feld	235	Ruby	2023-09-18 08:44:26

#	User	Length	Language	Date
1	Leslie Yip	1555	Rust	2022-11-15 12:08:42
2	Pavel Sergeev	1887	Rust	2020-02-25 21:04:12
3	Bas Dirks	1896	Rust	2022-05-20 09:46:35
4	Tomas Möre	11164	Rust	2022-02-06 23:13:46
5	Daniel Anker Hermansen	24555	Rust	2023-11-02 15:30:47

Solution running time distribution