Problem A
Alto Singing — Problem Statistics

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Submissions	268
Accepted submissions	75
Submission ratio	27.99%
Authors	93
Full solves [?]	69
Full solve Ratio	74.19%

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2021-05-11 19:45:43
2	Sebastian Banert	0.01 s	Haskell	2023-09-05 22:14:39

#	User	Runtime	Language	Date
1	Crystal Sharpe	0.07 s	Java	2021-05-14 07:16:31
2	Mark Sturtevant	0.08 s	Java	2024-09-29 00:19:51
3	Doug Goodman	0.13 s	Java	2021-09-21 17:04:11
4	Alan Zhou	0.16 s	Java	2024-09-28 23:49:43
5	Martin Jakobsson	0.19 s	Java	2021-05-08 13:06:28
6	Dylan Smith	0.19 s	Java	2021-06-08 06:02:38

#	User	Runtime	Language	Date
1	Andreas Björklund	0.04 s	Python 2	2021-06-12 19:59:30

#	User	Runtime	Language	Date
1	Damian Ho	0.04 s	Python 3	2024-11-06 01:32:44
2	Duoduo Zhao	0.04 s	Python 3	2025-09-15 13:05:38
3	이정섭	0.05 s	Python 3	2022-07-23 10:37:54
4	Lennart Meyling	0.05 s	Python 3	2023-09-18 23:40:41
5	Hidden user	0.05 s	Python 3	2023-10-14 14:47:12
6	Nathan Koppel	0.05 s	Python 3	2024-09-28 23:14:32
7	Herman Lauenstein	0.06 s	Python 3	2021-05-08 11:18:47
8	Måns Magnusson	0.06 s	Python 3	2021-05-08 11:49:15
9	Teodor Bucht	0.06 s	Python 3	2021-05-08 11:57:33
10	Olle Lapidus	0.06 s	Python 3	2021-05-08 12:06:05

#	User	Length	Language	Date
1	Dmitry Lyubshin	1153	C++	2023-06-09 14:35:11
2	David Wärn	1462	C++	2021-05-08 11:13:14
3	Joakim Blikstad	1522	C++	2021-05-08 11:25:57
4	Hidden user	1590	C++	2021-05-13 11:45:50
5	Mårten Wiman	1805	C++	2021-05-08 11:13:19
6	Abdullah Zaghmout	1959	C++	2022-05-05 22:16:17
7	Gustav Kalander	2042	C++	2021-07-17 13:35:41
8	Matthew Bischoff	2061	C++	2023-09-24 05:15:14
9	Tobias Glimmerfors	2133	C++	2021-05-08 11:45:40
10	Willson Wijaya	2182	C++	2021-07-05 08:29:29

#	User	Length	Language	Date
1	Sebastian Banert	1442	Haskell	2023-09-05 22:14:39
2	Brent Yorgey	5115	Haskell	2021-05-11 19:45:43

#	User	Length	Language	Date
1	Crystal Sharpe	2243	Java	2021-05-14 07:16:31
2	Dylan Smith	2285	Java	2021-06-08 06:02:38
3	Doug Goodman	2361	Java	2021-09-21 17:04:11
4	Alan Zhou	4244	Java	2024-09-28 23:49:43
5	Mark Sturtevant	4535	Java	2024-09-29 00:19:51
6	Martin Jakobsson	4859	Java	2021-05-08 13:06:28

#	User	Length	Language	Date
1	Andreas Björklund	969	Python 2	2021-06-12 19:59:30

#	User	Length	Language	Date
1	Herman Karlsson	716	Python 3	2021-05-08 11:35:28
2	Oskar Haarklou Veileborg	736	Python 3	2021-05-10 09:14:14
3	이정섭	763	Python 3	2022-07-23 10:37:54
4	Casper Rysgaard	798	Python 3	2023-02-08 00:23:00
5	Fredrik Ekholm	839	Python 3	2021-05-08 11:17:36
6	Erik Amirell Eklöf	885	Python 3	2021-05-08 11:26:49
7	Lennart Meyling	951	Python 3	2023-09-18 23:40:41
8	Damian Ho	960	Python 3	2024-11-06 01:32:44
9	Elias Podbregar	969	Python 3	2022-04-13 13:30:16
10	Herman Lauenstein	1056	Python 3	2021-05-08 11:18:47

Solution running time distribution