Problem B
Keep Him Inside — Problem Statistics

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Submissions	368
Accepted submissions	80
Submission ratio	21.74%
Authors	86
Full solves [?]	66
Full solve Ratio	76.74%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2020-11-06 17:31:29

#	User	Runtime	Language	Date
1	Brent Yorgey	0.01 s	Haskell	2021-01-10 00:47:39

#	User	Runtime	Language	Date
1	Bas te Kolste	0.06 s	Java	2022-10-30 15:39:37
2	Ho Lyun Jeong	0.07 s	Java	2020-12-31 20:55:54
3	Kadin Tang	0.07 s	Java	2021-01-12 22:44:05
4	Stanley Wei	0.10 s	Java	2020-12-05 01:47:54
5	Steven Xu	0.10 s	Java	2020-12-05 05:39:59
6	Srinivasa Eranki	0.10 s	Java	2020-12-09 18:54:16
7	Cory Austin	0.12 s	Java	2021-02-21 01:48:35

#	User	Runtime	Language	Date
1	Hidden user	0.04 s	Python 3	2024-09-17 15:46:31
2	Doug Goodman	0.04 s	Python 3	2025-03-28 17:03:58
3	Kasper Johansson	0.04 s	Python 3	2026-01-21 23:12:37
4	Mart Koster	0.04 s	Python 3	2026-01-26 23:00:07
5	Oskar Haarklou Veileborg	0.06 s	Python 3	2020-11-08 00:52:03
6	Amit Joshi	0.06 s	Python 3	2020-12-05 01:52:39
7	James Dong	0.06 s	Python 3	2020-12-05 03:02:45
8	Arihant Jain	0.06 s	Python 3	2020-12-31 20:57:23
9	Scott Steinhauser	0.06 s	Python 3	2021-02-27 22:43:05
10	Matthew Tran	0.06 s	Python 3	2021-02-28 22:58:43

#	User	Length	Language	Date
1	Bergur Snorrason	3001	C	2020-11-06 17:31:29

#	User	Length	Language	Date
1	Dmitry Lyubshin	849	C++	2023-06-13 17:56:07
2	shenlaizhibi	966	C++	2025-03-08 12:45:51
3	Presley Graham	1268	C++	2021-02-27 20:10:24
4	Alexander Skidanov	1283	C++	2025-03-28 00:41:59
5	安鹏飞	1452	C++	2025-03-08 10:29:11
6	Sumith Nalabolu	1481	C++	2020-12-31 20:12:19
7	Ярослав Прыгунов	1573	C++	2025-01-16 20:32:17
8	Aaron Lamoreaux	1628	C++	2020-12-05 02:06:05
9	Hermannstadt Sibiu	1663	C++	2021-10-24 14:33:20
10	Etienne Vouga	1835	C++	2020-12-04 23:36:34

#	User	Length	Language	Date
1	Brent Yorgey	11605	Haskell	2021-01-10 00:47:39

#	User	Length	Language	Date
1	Steven Xu	2247	Java	2020-12-05 05:39:59
2	Cory Austin	2495	Java	2021-02-21 01:48:35
3	Stanley Wei	2643	Java	2020-12-05 01:47:54
4	Srinivasa Eranki	3176	Java	2020-12-09 18:54:16
5	Bas te Kolste	4835	Java	2022-10-30 15:39:37
6	Ho Lyun Jeong	9710	Java	2020-12-31 20:55:54
7	Kadin Tang	10540	Java	2021-01-12 22:44:05

#	User	Length	Language	Date
1	Hidden user	316	Python 3	2024-09-17 16:19:53
2	James Dong	817	Python 3	2020-12-05 03:02:45
3	Kasper Johansson	878	Python 3	2026-01-21 23:12:37
4	Arihant Jain	1027	Python 3	2020-12-31 20:57:23
5	Scott Steinhauser	1051	Python 3	2021-02-27 22:43:05
6	Doug Goodman	1306	Python 3	2025-03-28 17:03:58
7	Oskar Haarklou Veileborg	1312	Python 3	2020-11-08 00:52:03
8	Andreas Björklund	1328	Python 3	2024-07-20 12:16:13
9	Mart Koster	1398	Python 3	2026-01-26 23:00:07
10	Matthew Tran	1482	Python 3	2021-02-28 22:58:43

Solution running time distribution