Problem I
Witchwood — Problem Statistics

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Submissions	707
Accepted submissions	236
Submission ratio	33.38%
Authors	201
Full solves [?]	173
Full solve Ratio	86.07%

#	User	Runtime	Language	Date
1	Jean Niklas L'orange	0.00 s	C	2018-04-16 11:04:50
2	Alexander Bilde Pedersen	0.00 s	C	2023-09-29 12:41:22
3	Aron H	0.00 s	C	2023-12-07 20:38:30
4	Bart Davenschot	0.00 s	C	2026-02-23 16:50:54
5	FA Algorithmic Programming Contests	0.00 s	C	2026-03-29 13:00:41

#	User	Runtime	Language	Date
1	Bjørn Dons	0.10 s	Java	2018-11-12 09:55:39
2	Ho Lyun Jeong	0.14 s	Java	2021-10-17 23:29:34
3	Vidith Madhu	0.15 s	Java	2022-02-19 21:59:17
4	Martijn Muijsers	0.18 s	Java	2020-08-13 17:44:37
5	Crystal Sharpe	0.18 s	Java	2020-09-01 05:56:03
6	Stephen Atwood	0.19 s	Java	2025-07-30 21:51:20
7	Martin Vatshelle	0.21 s	Java	2021-03-18 22:26:33
8	Jon Marius Venstad	0.24 s	Java	2018-04-14 14:52:54
9	Randall Scharpf	0.30 s	Java	2021-10-17 22:55:42
10	Aaron Teetor	0.34 s	Java	2019-07-05 05:32:00

#	User	Runtime	Language	Date
1	Øyvind Haarberg	0.04 s	Python 2	2018-04-15 20:31:35
2	Markus	0.04 s	Python 2	2019-03-29 20:30:15
3	Thore Husfeldt	0.04 s	Python 2	2019-09-23 20:37:45
4	Henrik Grønbech	0.05 s	Python 2	2019-03-29 15:30:53
5	Lars Åström	0.05 s	Python 2	2019-09-22 17:41:36
6	Måns Magnusson	0.05 s	Python 2	2019-09-22 17:41:48
7	Jonatan Nilsson	0.05 s	Python 2	2019-09-22 22:28:25
8	Hidden user	0.06 s	Python 2	2018-07-31 01:02:20
9	Andreas Björklund	0.06 s	Python 2	2019-05-06 17:56:36
10	Maj Stenmark	0.06 s	Python 2	2019-09-22 21:43:21

#	User	Runtime	Language	Date
1	Nazariy Pavlishak	0.05 s	Python 3	2025-01-08 22:51:44
2	Hidden user	0.06 s	Python 3	2023-01-26 18:56:20
3	Niels de Boer	0.06 s	Python 3	2024-12-30 15:24:24
4	Boyan Karakostov	0.06 s	Python 3	2025-01-12 19:54:50
5	T.H.A. Luu	0.06 s	Python 3	2026-02-25 12:33:53
6	Ari Blondal	0.06 s	Python 3	2026-03-13 19:56:10
7	Mattia Marziali	0.06 s	Python 3	2026-03-26 10:42:27
8	FA Algorithmic Programming Contests	0.06 s	Python 3	2026-03-26 10:48:53
9	Haakon Benning	0.07 s	Python 3	2021-03-01 13:47:28
10	Dun Ma	0.07 s	Python 3	2022-02-13 23:41:25

#	User	Runtime	Language	Date
1	Thomas Feld	0.19 s	Ruby	2026-01-30 09:28:18

#	User	Length	Language	Date
1	Bart Davenschot	223	C	2026-02-23 23:29:45
2	Jean Niklas L'orange	488	C	2018-04-16 11:04:50
3	FA Algorithmic Programming Contests	661	C	2026-03-29 13:00:41
4	Aron H	775	C	2023-12-07 20:38:30
5	Alexander Bilde Pedersen	852	C	2023-09-29 12:41:22

#	User	Length	Language	Date
1	William Gan	373	C++	2018-04-20 19:31:45
2	Andrew Dong	456	C++	2022-02-19 21:02:33
3	Charlie Liu	475	C++	2022-02-13 20:13:24
4	Andreas Alberg	502	C++	2024-03-13 13:54:51
5	FA Algorithmic Programming Contests	502	C++	2026-03-29 13:29:47
6	Adrians Formanickis	512	C++	2026-02-26 23:43:17
7	Sumith Nalabolu	516	C++	2021-10-17 23:43:55
8	Pang Wen Yuen	522	C++	2022-02-13 21:39:18
9	Alexander Skidanov	525	C++	2025-09-10 12:01:00
10	Arash Mahmoudian Bidgoli	526	C++	2022-02-19 20:14:08

#	User	Length	Language	Date
1	Jon Marius Venstad	689	Java	2018-04-14 14:52:54
2	Martin Vatshelle	787	Java	2021-03-18 22:26:33
3	Aaron Teetor	914	Java	2019-07-05 05:32:00
4	Martijn Muijsers	1150	Java	2020-08-13 17:44:37
5	Doug Goodman	1151	Java	2018-06-16 18:42:00
6	Crystal Sharpe	1425	Java	2020-09-01 05:56:03
7	Randall Scharpf	1538	Java	2021-10-17 22:55:42
8	Stephen Atwood	1701	Java	2025-07-30 21:51:20
9	Vidith Madhu	2238	Java	2022-02-19 21:59:17
10	Benjamin Klahn	2360	Java	2019-04-17 16:55:11

#	User	Length	Language	Date
1	Andreas Björklund	225	Python 2	2019-05-06 17:56:36
2	Jonatan Nilsson	279	Python 2	2019-09-22 22:28:25
3	Maj Stenmark	314	Python 2	2019-09-22 21:43:21
4	Thore Husfeldt	345	Python 2	2019-09-23 20:41:01
5	Måns Magnusson	364	Python 2	2019-09-23 21:55:10
6	Lars Åström	414	Python 2	2019-09-22 17:41:36
7	Amund Tenstad	430	Python 2	2018-04-14 14:50:50
8	Markus	472	Python 2	2019-03-29 20:30:15
9	Mathias Rav	494	Python 2	2018-04-14 14:12:51
10	Øyvind Haarberg	578	Python 2	2018-04-15 20:31:35

#	User	Length	Language	Date
1	Nicholas Russell Saerang	139	Python 3	2024-06-29 18:48:40
2	Oskar Haarklou Veileborg	202	Python 3	2018-04-14 17:12:29
3	Shashank Bhatt	214	Python 3	2022-02-22 06:43:24
4	Hidden user	265	Python 3	2023-11-29 20:26:02
5	Ari Blondal	286	Python 3	2026-03-13 19:56:10
6	Hidden user	288	Python 3	2023-03-15 15:05:39
7	Jacob Zhang	306	Python 3	2021-10-18 00:08:39
8	Rijk van Putten	306	Python 3	2023-12-14 22:24:02
9	Louis-Roy Langevin	306	Python 3	2026-03-13 20:57:58
10	Noah Hessen Bjerke	330	Python 3	2024-03-12 21:55:18

#	User	Length	Language	Date
1	Thomas Feld	91	Ruby	2026-01-30 09:30:50

Solution running time distribution