Problem A
Hogwarts — Problem Statistics

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Submissions	643
Accepted submissions	176
Submission ratio	27.37%
Authors	154
Full solves [?]	129
Full solve Ratio	83.77%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.08 s	C	2019-11-01 09:17:01

#	User	Runtime	Language	Date
1	Bjørn Dons	0.06 s	Java	2023-04-25 21:10:22
2	Yibo Huang	0.07 s	Java	2021-03-01 00:47:26
3	Hidden user	0.09 s	Java	2020-09-20 16:54:16
4	Ray Bai	0.10 s	Java	2020-09-17 20:19:40
5	Calvin Godfrey	0.10 s	Java	2021-10-09 23:24:45
6	Rene Argento	0.10 s	Java	2023-05-21 22:19:25
7	Sam Reinehr	0.12 s	Java	2019-10-26 19:30:25
8	Brent Yorgey	0.12 s	Java	2019-12-16 20:43:07
9	Benjamin Reidys	0.17 s	Java	2021-10-11 04:37:50
10	Yiu Yu Ho	0.21 s	Java	2022-01-18 01:22:59

#	User	Runtime	Language	Date
1	Jacob Huebner	0.15 s	Kotlin	2021-10-13 20:47:40

#	User	Runtime	Language	Date
1	Andreas Björklund	0.06 s	Python 2	2019-11-16 15:15:44
2	Johnathon Henke	0.07 s	Python 2	2019-10-26 22:47:35
3	Lars Åström	0.08 s	Python 2	2019-10-30 08:53:00

#	User	Runtime	Language	Date
1	Michael Brenan	0.03 s	Python 3	2019-11-09 04:59:42
2	Jordan Newport	0.03 s	Python 3	2019-12-02 05:51:13
3	Peanut	0.07 s	Python 3	2024-01-26 23:27:34
4	Tai Tze Kin	0.07 s	Python 3	2024-02-05 18:26:20
5	John Zheng	0.07 s	Python 3	2024-10-21 00:49:01
6	Taylor Wong	0.07 s	Python 3	2025-10-26 02:15:35
7	Nicholas Russell Saerang	0.08 s	Python 3	2023-11-22 02:34:40
8	Daniel Bogorad	0.08 s	Python 3	2025-08-08 16:46:55
9	Doug Goodman	0.09 s	Python 3	2024-11-03 16:42:39
10	Zac Friggstad	0.10 s	Python 3	2020-04-05 00:18:08

#	User	Length	Language	Date
1	Ivan Petrov	4820	C	2019-11-01 09:17:01

#	User	Length	Language	Date
1	Nguyen Xuan Tung	745	C++	2020-12-19 06:40:20
2	Ragur Krishnan	835	C++	2019-10-29 00:42:17
3	Albert Ariel Putra	845	C++	2024-02-08 15:54:30
4	Dmitry Lyubshin	945	C++	2023-05-20 01:44:24
5	AndrescuIII	971	C++	2024-02-06 03:51:12
6	Brandon Zhang	973	C++	2020-03-10 01:18:31
7	Markus Mathiasen	978	C++	2023-07-25 13:49:15
8	David Zheng	987	C++	2020-03-10 02:31:32
9	Jinxi Yang	1015	C++	2023-08-20 03:34:35
10	Daniel Bogorad	1075	C++	2025-08-08 16:06:22

#	User	Length	Language	Date
1	Qianlang Chen	1628	Java	2019-11-04 02:55:23
2	Sam Reinehr	1856	Java	2019-10-26 19:30:25
3	Yiu Yu Ho	2266	Java	2022-01-18 01:22:59
4	Hidden user	2372	Java	2020-09-20 16:54:16
5	Ray Bai	2382	Java	2020-09-17 20:26:30
6	Benjamin Reidys	3010	Java	2021-10-11 04:37:50
7	Calvin Godfrey	3298	Java	2021-10-09 23:24:45
8	Rene Argento	4663	Java	2023-05-21 22:19:25
9	Brent Yorgey	5152	Java	2019-12-16 20:43:07
10	Bjørn Dons	6620	Java	2023-04-25 21:10:22

#	User	Length	Language	Date
1	Jacob Huebner	2502	Kotlin	2021-10-13 20:47:40

#	User	Length	Language	Date
1	Andreas Björklund	681	Python 2	2019-11-16 15:15:44
2	Johnathon Henke	1006	Python 2	2019-10-26 22:47:35
3	Lars Åström	1113	Python 2	2019-10-30 08:53:00

#	User	Length	Language	Date
1	Daniel Bogorad	205	Python 3	2025-08-09 02:45:10
2	Lee Yi Heng	464	Python 3	2024-02-08 19:47:17
3	Nicholas Russell Saerang	573	Python 3	2023-11-22 02:34:40
4	Zac Friggstad	574	Python 3	2020-04-05 00:18:08
5	Tai Tze Kin	688	Python 3	2024-02-05 18:26:20
6	Taylor Wong	832	Python 3	2025-10-26 02:15:35
7	Ian DeHaan	855	Python 3	2022-08-12 23:34:59
8	Kelly Dance	902	Python 3	2022-08-12 23:36:13
9	Godmar Back	967	Python 3	2021-10-09 00:34:58
10	Lawry Sorenson	1015	Python 3	2022-02-05 19:20:01

Solution running time distribution