Problem B
Battle of Hogwarts — Problem Statistics

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Submissions	1125
Accepted submissions	275
Submission ratio	24.44%
Authors	248
Full solves [?]	195
Full solve Ratio	78.63%

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	C++	2020-11-15 16:05:41
2	Oskar Haarklou Veileborg	0.07 s	C++	2021-01-13 08:57:40
3	Nyamdavaa Amar	0.07 s	C++	2021-11-30 13:35:35
4	Phuc Nguyen Hoang	0.07 s	C++	2022-06-20 12:16:32
5	PofQ	0.08 s	C++	2020-11-16 04:41:57
6	Phạm Sơn	0.08 s	C++	2021-08-22 12:35:01
7	Việt Thắng	0.08 s	C++	2022-12-19 15:53:19
8	Trịnh Nhật Hưng	0.08 s	C++	2023-07-05 09:49:45
9	Nguyễn Quang Duy	0.08 s	C++	2024-08-29 10:02:06
10	E Ro Nguyen	0.09 s	C++	2021-12-14 05:59:27

#	User	Runtime	Language	Date
1	Brent Yorgey	0.80 s	Java	2020-12-25 23:52:54
2	Hidden user	0.83 s	Java	2023-01-12 14:19:57

#	User	Runtime	Language	Date
1	Andreas Björklund	0.58 s	Python 2	2021-03-20 17:18:23

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.46 s	Python 3	2021-01-13 08:46:48
2	Doug Goodman	0.73 s	Python 3	2025-03-17 19:20:59

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1157	C++	2021-01-13 08:57:40
2	Huy Trương	1466	C++	2020-12-13 04:03:56
3	Quan Le	1545	C++	2024-08-08 13:21:46
4	Lim An Jun	1553	C++	2023-01-20 15:48:39
5	Ignacio Castellano Vega	1576	C++	2023-07-10 17:38:56
6	Văn Hiệp	1577	C++	2023-03-09 17:22:02
7	Pham Vu	1593	C++	2020-11-21 04:56:14
8	Icaro Juliao Monteiro Guerra	1606	C++	2021-10-16 17:19:03
9	Marcus Xu	1637	C++	2023-01-22 09:47:53
10	Duck Nguyen	1670	C++	2024-08-27 12:53:44

#	User	Length	Language	Date
1	Brent Yorgey	5252	Java	2020-12-25 23:52:54
2	Hidden user	14369	Java	2023-01-12 14:19:57

#	User	Length	Language	Date
1	Andreas Björklund	1148	Python 2	2021-03-20 17:18:23

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	733	Python 3	2021-01-13 14:22:36
2	Doug Goodman	2228	Python 3	2025-03-17 19:20:59

Solution running time distribution