Problem B
Black and White — Problem Statistics

Back to problem description

Submissions	538
Accepted submissions	242
Submission ratio	44.98%
Authors	190
Full solves [?]	153
Full solve Ratio	80.53%

#	User	Runtime	Language	Date
1	Mirel Cosulschi	0.17 s	C	2025-05-25 07:45:10

#	User	Runtime	Language	Date
1	Тимофей Онищук	0.07 s	C++	2024-11-16 16:08:51
2	Alexander Kravberg	0.07 s	C++	2025-06-21 19:35:32
3	Matthew Shang	0.13 s	C++	2022-03-21 05:29:55
4	Cameron Custer	0.13 s	C++	2022-03-25 19:09:49
5	Vernon Gutierrez	0.13 s	C++	2023-10-18 17:00:29
6	Vlad Kurgankin	0.13 s	C++	2024-05-28 17:41:26
7	Dhruv Patel	0.14 s	C++	2022-03-05 20:34:35
8	Donald Dong	0.14 s	C++	2022-03-19 09:29:59
9	Ricardo Ruiz	0.14 s	C++	2022-06-22 13:13:48
10	Neal Zane	0.14 s	C++	2022-06-25 07:12:33

#	User	Runtime	Language	Date
1	Karlz Jeffrey Sarquilla	0.31 s	Java	2023-07-28 15:51:25
2	Bjørn Dons	0.33 s	Java	2023-08-10 19:36:37
3	Jacob Magnuson	0.36 s	Java	2022-07-19 01:21:16
4	Jerry Xiong	0.37 s	Java	2022-03-05 19:25:46
5	Vidith Madhu	0.37 s	Java	2022-03-05 20:43:43
6	Caleb Hu	0.40 s	Java	2022-03-05 22:21:21
7	Ericka Kyle Rojas	0.41 s	Java	2023-08-11 11:31:45
8	Chris Gittings	0.44 s	Java	2022-03-09 05:05:18
9	Kath Racal	0.44 s	Java	2023-08-04 03:39:53
10	Kathleen Heart Racal	0.44 s	Java	2023-08-14 11:13:03

#	User	Runtime	Language	Date
1	Danny Mittal	0.43 s	Kotlin	2022-03-19 20:35:48
2	Nicholas Johnson	0.67 s	Kotlin	2022-03-20 16:15:03
3	Jacob Huebner	0.67 s	Kotlin	2022-03-22 20:26:38

#	User	Runtime	Language	Date
1	Arnav Sastry	0.52 s	Python 3	2022-03-17 14:56:41
2	Ryan Kells	0.56 s	Python 3	2025-10-17 20:20:09
3	Nicholas Tarsis	0.60 s	Python 3	2024-06-30 00:36:30
4	Kevin Li	0.67 s	Python 3	2022-03-06 07:23:55
5	Kelly Dance	0.84 s	Python 3	2022-03-31 19:02:23
6	Pim Agterberg	0.86 s	Python 3	2022-10-05 00:11:54

#	User	Length	Language	Date
1	Mirel Cosulschi	909	C	2025-05-25 07:45:10

#	User	Length	Language	Date
1	Yongchen Zhou	592	C++	2022-03-05 20:18:07
2	Ricardo Ruiz	745	C++	2022-06-22 13:13:48
3	Donald Dong	771	C++	2022-03-19 09:29:59
4	Neal Zane	846	C++	2022-06-25 07:16:40
5	Omar Muhammetkulyyev	854	C++	2024-10-14 22:33:25
6	Dmitry Lyubshin	911	C++	2023-05-10 13:56:50
7	BluefrumS	952	C++	2025-04-16 20:11:14
8	Nathan Nguyen	954	C++	2024-02-18 17:50:15
9	Atli Fannar Franklín	964	C++	2022-03-17 16:09:06
10	Dexter Kwan	988	C++	2023-04-15 13:24:09

#	User	Length	Language	Date
1	Doug Goodman	1212	Java	2022-03-20 18:07:01
2	Chris Gittings	1266	Java	2022-03-09 05:05:18
3	Karlz Jeffrey Sarquilla	1386	Java	2023-07-28 15:51:25
4	Caleb Hu	1431	Java	2022-03-05 22:21:21
5	Ericka Kyle Rojas	1579	Java	2023-08-11 11:31:45
6	Jerry Xiong	1644	Java	2022-03-05 19:25:46
7	Kath Racal	1644	Java	2023-08-04 03:39:53
8	Kathleen Heart Racal	1644	Java	2023-08-14 11:13:03
9	Jacob Magnuson	1834	Java	2022-07-19 01:21:16
10	Jeffrey H.	2104	Java	2023-08-06 17:30:07

#	User	Length	Language	Date
1	Danny Mittal	957	Kotlin	2022-03-19 20:35:48
2	Jacob Huebner	1429	Kotlin	2022-03-22 20:26:38
3	Nicholas Johnson	1725	Kotlin	2022-03-20 16:15:03

#	User	Length	Language	Date
1	Nicholas Tarsis	659	Python 3	2024-06-30 00:36:30
2	Pim Agterberg	1159	Python 3	2022-10-06 11:42:07
3	Ryan Kells	1211	Python 3	2025-10-17 20:20:09
4	Arnav Sastry	1293	Python 3	2022-03-17 14:56:41
5	Kelly Dance	1325	Python 3	2022-03-31 19:02:23
6	Kevin Li	3683	Python 3	2022-03-06 07:23:55

Solution running time distribution