Problem A
Busy Board — Problem Statistics

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Submissions	505
Accepted submissions	81
Submission ratio	16.04%
Authors	126
Full solves [?]	68
Full solve Ratio	53.97%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.02 s	C	2019-03-07 13:32:46

#	User	Runtime	Language	Date
1	Kevin Sun	0.01 s	C++	2019-03-02 20:28:26
2	Joakim Blikstad	0.01 s	C++	2019-03-02 22:14:03
3	Changyu Zhu	0.01 s	C++	2019-03-02 22:23:11
4	Victor Lecomte	0.01 s	C++	2019-03-02 23:19:22
5	Hubert Teo	0.01 s	C++	2019-03-03 02:03:03
6	Shirui Chen	0.01 s	C++	2019-03-06 19:52:26
7	SiBi	0.01 s	C++	2019-03-27 01:15:11
8	伊佐碩恭	0.01 s	C++	2019-05-16 12:14:11
9	黄汉升	0.01 s	C++	2019-05-18 08:25:20
10	shenben	0.01 s	C++	2019-08-04 10:36:49

#	User	Runtime	Language	Date
1	Arnav Sastry	0.28 s	Java	2019-08-09 14:46:05
2	Corwin de Boor	0.29 s	Java	2019-03-02 21:24:33
3	Arup Ratan Guha	0.29 s	Java	2020-11-28 02:20:36
4	Andrew Polizzotto	0.30 s	Java	2020-08-18 09:31:30
5	Rf Schmiermann	0.39 s	Java	2019-09-20 14:43:21
6	Derick Anderson	0.47 s	Java	2019-03-02 22:55:15
7	Jacob Magnuson	0.51 s	Java	2019-03-02 23:48:22
8	Zihan Wang	0.72 s	Java	2019-03-03 05:40:45
9	Hidden user	0.73 s	Java	2019-03-02 22:19:06

#	User	Runtime	Language	Date
1	Eric Williamson	0.14 s	Python 2	2019-11-03 06:28:53
2	Hidden user	0.23 s	Python 2	2019-03-03 13:25:16

#	User	Runtime	Language	Date
1	Chris Kopp	0.16 s	Python 3	2024-04-14 02:45:15
2	Nikil Roashan Selvam	0.27 s	Python 3	2022-05-24 03:10:19
3	Mees de Vries	0.55 s	Python 3	2019-05-24 10:08:49

#	User	Length	Language	Date
1	Ivan Petrov	2032	C	2019-03-07 13:32:46

#	User	Length	Language	Date
1	shenben	923	C++	2019-08-04 10:36:49
2	Simone Moretti	1228	C++	2022-02-05 18:21:55
3	SiBi	1233	C++	2019-03-27 01:15:11
4	Andy Shih	1298	C++	2020-02-12 06:19:12
5	Vinh Nguyễn Thành	1402	C++	2019-03-06 03:20:01
6	伊佐碩恭	1416	C++	2019-05-16 12:14:11
7	黄汉升	1423	C++	2019-05-18 08:25:20
8	Kevin Sun	1454	C++	2019-03-02 20:28:26
9	Mike de Vries	1499	C++	2019-09-27 17:22:20
10	zxt	1506	C++	2019-05-12 10:37:23

#	User	Length	Language	Date
1	Andrew Polizzotto	2402	Java	2020-08-18 09:31:30
2	Corwin de Boor	2598	Java	2019-03-02 21:24:33
3	Derick Anderson	2726	Java	2019-03-02 22:55:15
4	Rf Schmiermann	3403	Java	2019-09-20 14:43:21
5	Arnav Sastry	3784	Java	2019-08-09 14:46:05
6	Jacob Magnuson	3799	Java	2019-03-02 23:48:22
7	Arup Ratan Guha	3821	Java	2020-11-28 02:20:36
8	Hidden user	4032	Java	2019-03-02 22:19:06
9	Zihan Wang	6574	Java	2019-03-03 05:40:45

#	User	Length	Language	Date
1	Hidden user	2502	Python 2	2019-03-03 13:25:16
2	Eric Williamson	3046	Python 2	2019-11-03 06:28:53

#	User	Length	Language	Date
1	Chris Kopp	1214	Python 3	2024-04-14 02:45:15
2	Nikil Roashan Selvam	1810	Python 3	2022-05-24 03:10:19
3	Mees de Vries	2075	Python 3	2019-05-24 10:08:49

Solution running time distribution