Problem B
Sentry Robots — Problem Statistics

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Submissions	602
Accepted submissions	272
Submission ratio	45.18%
Authors	225
Full solves [?]	204
Full solve Ratio	90.67%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.00 s	C	2019-07-26 09:57:32

#	User	Runtime	Language	Date
1	Norbert Voelker	0.04 s	Go	2023-05-02 00:37:57

#	User	Runtime	Language	Date
1	Doug Goodman	0.14 s	Java	2022-07-01 20:44:57
2	Brent Yorgey	0.27 s	Java	2021-12-01 00:37:49
3	Katz Roy	0.68 s	Java	2022-09-30 04:11:23

#	User	Runtime	Language	Date
1	Hidden user	0.06 s	Python 3	2026-02-14 22:09:56
2	Naveen Kumar S	0.09 s	Python 3	2026-02-19 02:06:25
3	Pang Yuan Ker	0.12 s	Python 3	2022-09-26 09:48:45
4	Måns Magnusson	0.13 s	Python 3	2021-10-05 19:45:22
5	Maj Stenmark	0.13 s	Python 3	2021-10-07 22:46:34
6	Wang Yibin	0.16 s	Python 3	2021-10-11 20:58:34
7	Zhang Grace Jia Yi	0.17 s	Python 3	2022-09-28 13:50:19
8	Ng Wee Han	0.17 s	Python 3	2022-10-10 15:49:55
9	Lim Jun Hup	0.19 s	Python 3	2022-10-10 12:24:41
10	Kang Liwei	0.21 s	Python 3	2021-10-13 13:04:41

#	User	Length	Language	Date
1	Ivan Petrov	2786	C	2019-07-26 09:57:32

#	User	Length	Language	Date
1	Hidden user	1571	C++	2020-06-16 10:03:11
2	Roman Yanushevskyi	1694	C++	2024-03-17 17:22:10
3	Mårten Wiman	1750	C++	2016-09-27 17:46:54
4	William Gan	1772	C++	2018-08-05 11:36:56
5	Yeung Man Tsung	1830	C++	2024-03-18 09:16:32
6	Fredrik Hernqvist	1850	C++	2016-09-27 19:01:36
7	Hubert Teo	1915	C++	2017-02-17 05:02:07
8	Yiwen101	1921	C++	2024-03-12 14:21:11
9	Dmitry Lyubshin	1944	C++	2023-05-06 15:46:55
10	keyansheng	2000	C++	2025-03-06 11:37:36

#	User	Length	Language	Date
1	Norbert Voelker	3789	Go	2023-05-02 00:37:57

#	User	Length	Language	Date
1	Doug Goodman	3145	Java	2022-07-01 20:44:57
2	Katz Roy	10224	Java	2022-09-30 04:11:23
3	Brent Yorgey	11311	Java	2021-12-01 00:37:49

#	User	Length	Language	Date
1	Nicholas Russell Saerang	1343	Python 3	2023-07-28 09:28:30
2	Kang Liwei	2174	Python 3	2021-10-13 13:04:41
3	Naveen Kumar S	2580	Python 3	2026-02-19 02:06:25
4	Ruan Bo Kai	2683	Python 3	2022-09-21 07:18:48
5	Pang Yuan Ker	2712	Python 3	2022-09-26 09:48:45
6	Teoh Jun Jie	2740	Python 3	2022-10-07 19:12:45
7	Dilhan Salgado	2766	Python 3	2023-06-12 07:13:21
8	Lim Jun Hup	3151	Python 3	2022-10-10 12:24:41
9	Måns Magnusson	3305	Python 3	2021-10-05 19:45:22
10	Maj Stenmark	3305	Python 3	2021-10-07 22:46:34

Solution running time distribution