Problem O
Chess Competition — Problem Statistics

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Submissions	541
Accepted submissions	187
Submission ratio	34.57%
Authors	194
Full solves [?]	144
Full solve Ratio	74.23%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.36 s	C	2019-07-22 10:19:18
2	Sanjiv Dinakar	1.65 s	C	2023-03-20 21:18:57

#	User	Runtime	Language	Date
1	Lam Gia Thuan	0.02 s	C++	2016-11-04 22:42:16
2	Viet Anh Ho	0.02 s	C++	2016-11-12 00:54:56
3	Dmitry Lyubshin	0.02 s	C++	2018-03-08 05:04:55
4	Zhang Jikun	0.02 s	C++	2022-07-12 11:46:34
5	Chaoshuai Lu	0.03 s	C++	2015-03-21 21:10:41
6	Rezwan Arefin	0.03 s	C++	2022-02-16 10:23:29
7	Hyunjun Lee	0.03 s	C++	2023-06-14 11:36:16
8	Szu-Po Wang	0.04 s	C++	2015-03-21 19:18:51
9	Bjarki Ágúst Guðmundsson	0.04 s	C++	2015-05-27 21:53:11
10	Jiaqi Wang	0.04 s	C++	2016-09-25 13:40:18

#	User	Runtime	Language	Date
1	David Brink	0.32 s	Java	2017-05-06 08:08:24
2	Erik Baalhuis	0.41 s	Java	2016-08-08 20:57:29
3	Evan Dorundo	0.43 s	Java	2015-03-21 19:25:12
4	Joshua Linge	0.44 s	Java	2015-03-26 14:57:58
5	Nick Wu	0.54 s	Java	2015-03-21 19:30:22
6	Lars Corbijn	0.54 s	Java	2023-09-27 16:27:55
7	Bjørn Dons	0.55 s	Java	2023-09-19 21:10:04
8	Simon Klein	0.59 s	Java	2012-11-08 12:18:18
9	Benjamin Reidys	0.60 s	Java	2020-01-12 07:03:50
10	Jeffrey H.	0.68 s	Java	2023-07-20 21:08:40

#	User	Runtime	Language	Date
1	Oskar Haarklou Veileborg	0.44 s	Python 3	2020-10-21 23:05:07
2	Duoduo Zhao	0.50 s	Python 3	2025-09-06 13:59:17
3	Dominic Berzin Chua Way Gin	0.58 s	Python 3	2025-03-10 13:02:48
4	Tala Ahmadie	0.87 s	Python 3	2025-03-02 08:58:18
5	Hidden user	1.11 s	Python 3	2023-07-08 15:04:14
6	Sonny Chan	3.14 s	Python 3	2020-07-30 04:25:20

#	User	Length	Language	Date
1	Ivan Petrov	2929	C	2019-07-22 10:19:18
2	Sanjiv Dinakar	14476	C	2023-03-20 21:18:57

#	User	Length	Language	Date
1	Xi Yi	1475	C++	2015-03-21 19:44:32
2	Man Hin Jeffrey Hon	1576	C++	2012-11-07 18:58:27
3	Karol Farbiś	1883	C++	2016-05-21 20:42:41
4	Viet Anh Ho	2087	C++	2016-11-12 00:54:56
5	Mathias Gernez	2188	C++	2025-09-10 12:50:26
6	Paul Wild	2304	C++	2017-05-29 22:10:05
7	Wen Li Looi	2347	C++	2015-03-21 22:46:35
8	Dmitry Lyubshin	2361	C++	2018-03-08 05:04:55
9	Yuzhou Gu	2473	C++	2015-03-21 19:59:02
10	Bohao Sun	2491	C++	2018-09-14 08:49:05

#	User	Length	Language	Date
1	Alia Martyn	3096	Java	2015-04-08 23:15:30
2	Micah Stairs	3113	Java	2016-12-31 14:24:32
3	Gabriel Pita	3285	Java	2015-03-21 19:36:03
4	Evan Dorundo	3355	Java	2015-03-21 19:25:12
5	Stephen Royal	3388	Java	2015-03-21 21:01:30
6	Darrin Wiley	3695	Java	2018-11-25 18:03:01
7	Erik Baalhuis	3731	Java	2016-08-08 20:57:44
8	Simon Klein	4653	Java	2012-11-08 12:18:18
9	Lars Corbijn	5829	Java	2023-09-27 16:27:55
10	Nick Wu	5927	Java	2015-03-21 19:30:22

#	User	Length	Language	Date
1	Oskar Haarklou Veileborg	1681	Python 3	2020-10-21 23:05:07
2	Hidden user	2091	Python 3	2023-07-08 14:59:11
3	Tala Ahmadie	2132	Python 3	2025-03-02 08:58:18
4	Sonny Chan	3896	Python 3	2020-07-30 04:25:20
5	Duoduo Zhao	6136	Python 3	2025-09-06 13:59:17
6	Dominic Berzin Chua Way Gin	6992	Python 3	2025-03-10 13:02:48

Solution running time distribution