Problem B
Checkmate in One — Problem Statistics

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Submissions	1571
Accepted submissions	403
Submission ratio	25.65%
Authors	364
Full solves [?]	280
Full solve Ratio	76.92%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.00 s	C	2019-01-11 10:03:35
2	Eyleifur Bjarkason	0.00 s	C	2019-01-14 22:30:51
3	Hidden user	0.00 s	C	2019-12-08 03:50:21
4	Mikael K Eriksson	0.00 s	C	2021-02-08 11:43:20
5	Sanjiv Dinakar	0.00 s	C	2023-04-10 16:53:40
6	Ryan Maschino	0.00 s	C	2023-08-31 05:17:29
7	Bartosz Hajdas	0.00 s	C	2025-11-29 09:23:32

#	User	Runtime	Language	Date
1	Mohammad Aldabbgh	0.01 s	C#	2018-05-11 21:48:20
2	Brutus Hansson	0.02 s	C#	2019-01-28 21:08:12
3	Henrik Hallbert	0.02 s	C#	2019-10-05 20:03:15
4	Mikael Fiala-Lundström	0.02 s	C#	2021-05-31 18:54:09
5	Hamdanil Rasyid	0.04 s	C#	2024-12-15 03:04:59
6	Michael Damsgaard	0.05 s	C#	2024-11-27 23:15:06

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-05-25 18:45:07
2	Brent Yorgey	0.01 s	Haskell	2020-04-01 16:52:48

#	User	Runtime	Language	Date
1	Ranjith M	0.04 s	Java	2025-02-09 06:39:33
2	Nick Wu	0.05 s	Java	2018-03-17 21:00:02
3	Dante Bencivenga	0.05 s	Java	2018-03-17 23:17:22
4	Tobias Glimmerfors	0.05 s	Java	2018-11-08 11:11:44
5	Andrew Polizzotto	0.06 s	Java	2020-05-06 21:51:40
6	Crystal Sharpe	0.06 s	Java	2020-06-01 07:01:32
7	Kevin Lim Yong Shen	0.06 s	Java	2022-01-15 08:29:29
8	Brian Qi	0.06 s	Java	2023-08-25 22:16:47
9	Jimmy Dinh	0.06 s	Java	2023-08-25 22:39:47
10	Yatin Kukreja	0.06 s	Java	2023-08-26 16:52:17

#	User	Runtime	Language	Date
1	Bjørn Chr. Soltvedt	0.02 s	JavaScript (SpiderMonkey)	2019-02-01 02:51:19
2	Christian Pilegaard Cederquist	0.03 s	JavaScript (SpiderMonkey)	2023-02-17 01:14:59

#	User	Runtime	Language	Date
1	Caden G	0.17 s	Kotlin	2019-12-12 23:46:23
2	Filip Belik	0.18 s	Kotlin	2019-12-11 03:15:47
3	Phường Lên	0.20 s	Kotlin	2019-12-07 16:20:51

#	User	Runtime	Language	Date
1	Johann Ly	0.03 s	Python 2	2018-12-31 08:49:44
2	Lars Åström	0.03 s	Python 2	2019-08-04 18:00:45
3	Yanmarshus Bachtiar	0.03 s	Python 2	2020-10-09 07:55:16
4	Geordie Taber	0.03 s	Python 2	2023-11-01 21:00:09

#	User	Runtime	Language	Date
1	Victor Zheng	0.02 s	Python 3	2018-03-17 21:08:55
2	Reginald Lybbert	0.02 s	Python 3	2018-03-17 21:09:53
3	Hansel Qiu	0.02 s	Python 3	2018-03-17 22:19:50
4	Brian Kehrig	0.02 s	Python 3	2018-03-17 22:32:26
5	Liam Wrubleski	0.02 s	Python 3	2018-03-17 23:56:20
6	Christofer Ohlsson	0.02 s	Python 3	2018-03-18 14:36:58
7	Hien Le	0.02 s	Python 3	2018-03-20 02:52:23
8	Ram Basnet	0.02 s	Python 3	2018-03-22 04:44:11
9	Måns Magnusson	0.02 s	Python 3	2018-03-22 11:07:06
10	Tran Tuong Minh Nguyen	0.02 s	Python 3	2018-04-07 22:17:19

#	User	Length	Language	Date
1	Bartosz Hajdas	1271	C	2025-11-29 09:23:32
2	Hidden user	2466	C	2019-12-08 03:50:21
3	Ryan Maschino	3023	C	2023-08-31 05:17:29
4	Mikael K Eriksson	5377	C	2021-02-08 11:43:20
5	Bergur Snorrason	5599	C	2019-01-11 10:07:15
6	Eyleifur Bjarkason	6673	C	2019-01-14 22:30:51
7	Sanjiv Dinakar	7226	C	2023-04-10 16:53:40

#	User	Length	Language	Date
1	Mohammad Aldabbgh	1387	C#	2018-05-11 21:48:20
2	Hamdanil Rasyid	2096	C#	2024-12-15 03:04:59
3	Brutus Hansson	2710	C#	2019-01-28 21:08:12
4	Henrik Hallbert	3838	C#	2019-10-05 20:03:15
5	Mikael Fiala-Lundström	5557	C#	2021-05-31 18:54:09
6	Michael Damsgaard	15723	C#	2024-11-27 23:15:06

#	User	Length	Language	Date
1	Geordie Taber	254	C++	2025-09-12 01:46:14
2	Way Tan	611	C++	2018-12-24 19:44:39
3	Nicholas Patrick	676	C++	2022-01-17 06:52:48
4	Pedro Sugiyama	708	C++	2024-05-24 16:44:33
5	Elias Lolck	790	C++	2023-05-20 13:43:10
6	Jose Francisco Perez	800	C++	2018-04-14 10:15:36
7	Johan Wind	822	C++	2018-04-17 19:47:40
8	Antony Holmes	1009	C++	2019-07-04 22:08:23
9	Hyunjun Lee	1086	C++	2022-10-15 06:45:40
10	Bohao Sun	1108	C++	2018-09-29 05:06:58

#	User	Length	Language	Date
1	Brent Yorgey	3634	Haskell	2020-04-01 16:52:48
2	Steinar Simonnes	4457	Haskell	2025-05-25 18:45:07

#	User	Length	Language	Date
1	Ari Páll Agnarsson	1165	Java	2019-01-22 18:58:04
2	Andrew Polizzotto	1276	Java	2020-05-06 21:51:40
3	Charlie Zheng	1400	Java	2018-03-17 21:05:42
4	Doug Goodman	1498	Java	2018-07-09 18:13:30
5	Sunny Nagam	1703	Java	2018-03-17 23:53:07
6	Darrin Wiley	1724	Java	2019-02-09 21:10:04
7	Andrew Kennedy	1945	Java	2018-07-14 22:50:32
8	Samuel Bell	2132	Java	2019-02-09 20:24:41
9	Marius Larsen	2157	Java	2020-11-13 10:34:00
10	Nian He	2274	Java	2018-03-17 22:29:50

#	User	Length	Language	Date
1	Bjørn Chr. Soltvedt	1154	JavaScript (SpiderMonkey)	2019-02-01 02:51:19
2	Christian Pilegaard Cederquist	9180	JavaScript (SpiderMonkey)	2023-02-17 01:14:59

#	User	Length	Language	Date
1	Phường Lên	2121	Kotlin	2019-12-07 16:20:51
2	Filip Belik	3156	Kotlin	2019-12-11 03:15:47
3	Caden G	3947	Kotlin	2019-12-12 23:46:23

#	User	Length	Language	Date
1	Geordie Taber	207	Python 2	2023-11-02 01:04:38
2	Lars Åström	842	Python 2	2019-08-04 18:00:45
3	Yanmarshus Bachtiar	1282	Python 2	2020-10-09 07:55:16
4	Johann Ly	1922	Python 2	2018-12-31 08:49:44

#	User	Length	Language	Date
1	Geordie Taber	209	Python 3	2023-11-02 01:04:26
2	Benjamin Z White	264	Python 3	2023-06-29 21:44:32
3	Lee Isaac	462	Python 3	2022-11-30 10:39:07
4	Yohannes Melese	489	Python 3	2023-09-08 15:33:36
5	Paul Wild	565	Python 3	2024-04-26 15:38:40
6	Timothy Baeckelant	650	Python 3	2024-04-21 01:06:09
7	Erik Tjøswold	768	Python 3	2018-04-09 16:13:36
8	Hien Le	819	Python 3	2018-03-20 02:52:23
9	Lammert Westerdijk	894	Python 3	2023-09-29 22:33:32
10	Tran Tuong Minh Nguyen	996	Python 3	2018-04-07 22:17:19

Solution running time distribution