Problem D
Regular Language Complement — Problem Statistics

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Submissions	1172
Accepted submissions	478
Submission ratio	40.78%
Authors	181
Full solves [?]	82
Full solve Ratio	45.30%

#	User	Score	Language	Date
1	Joseph Huang	100	C#	2016-09-08 18:42:06

#	User	Score	Language	Date
1	Andrew Molina	70	JavaScript (Node.js)	2024-01-29 16:51:04

#	User	Score	Language	Date
1	Hidden user	100	Python 2	2016-09-24 22:51:50
2	Sean Lavoie	85	Python 2	2017-09-12 17:19:38

#	User	Runtime	Language	Date
1	Joseph Huang	0.07 s	C#	2016-09-08 18:42:06

#	User	Runtime	Language	Date
1	Ernesto Quevedo Caballero	0.00 s	C++	2021-09-10 02:47:36
2	Swapnil Saha	0.00 s	C++	2021-09-10 18:11:43
3	Md Showkat Hossain Chy	0.00 s	C++	2022-09-09 08:09:07
4	Christen Barringer	0.00 s	C++	2025-01-28 05:31:05
5	Dong Li	0.00 s	C++	2025-09-15 03:02:31
6	Willie Brown	0.00 s	C++	2025-09-16 06:36:23
7	Abdullah Al Noman	0.00 s	C++	2025-09-22 05:23:29
8	Zeba Tusnia Towshi	0.00 s	C++	2025-12-10 09:59:49
9	Greg Walkup	0.01 s	C++	2016-09-11 04:58:09
10	Kelechi Fletcher	0.01 s	C++	2016-09-11 18:35:22

#	User	Runtime	Language	Date
1	Sri Manjusha Tella	0.17 s	Java	2022-12-19 02:58:19
2	Tanvir Ahmed Redoy	0.21 s	Java	2025-09-15 21:39:04
3	张珂燃	0.26 s	Java	2016-09-09 17:57:24
4	Md Rofiqul Islam	0.29 s	Java	2020-09-14 10:13:39
5	Matthew Griffin	0.36 s	Java	2017-09-10 18:51:21
6	Hidden user	0.36 s	Java	2017-09-16 02:37:46
7	Hidden user	0.36 s	Java	2021-09-14 00:13:47
8	Vincent Bushong	0.38 s	Java	2019-09-17 02:40:48
9	Alejandro Garcia Jr	0.38 s	Java	2025-09-16 06:35:15
10	Kuanysh Zhunussov	0.39 s	Java	2016-09-13 06:54:35

#	User	Runtime	Language	Date
1	Hidden user	0.11 s	Python 2	2016-09-24 22:51:50

#	User	Runtime	Language	Date
1	Sharmin Fatema	0.05 s	Python 3	2025-09-13 19:37:45
2	Aaron L Carney	0.06 s	Python 3	2024-09-20 17:16:23
3	Kevin Fritz	0.06 s	Python 3	2025-01-27 23:44:02
4	Rabeya Nazara	0.06 s	Python 3	2025-09-15 13:10:58
5	Maryam Samami	0.06 s	Python 3	2025-09-16 03:50:37
6	Yanghe Yan	0.06 s	Python 3	2025-09-16 07:38:45
7	Ana Paula Arguelles Terron	0.07 s	Python 3	2024-09-14 20:50:39
8	Asif Imtiaz Shaafi	0.07 s	Python 3	2024-09-17 01:04:42
9	Bryant Huang	0.07 s	Python 3	2024-09-17 05:26:04
10	Xinyu Wu	0.08 s	Python 3	2024-09-11 17:41:40

#	User	Length	Language	Date
1	Joseph Huang	11076	C#	2016-09-08 18:42:06

#	User	Length	Language	Date
1	Nicole Hosh	2773	C++	2021-09-14 01:27:54
2	Zeba Tusnia Towshi	2884	C++	2025-12-10 09:59:49
3	Muhammad Ashfakur Rahman Arju	3619	C++	2022-09-14 23:26:16
4	Andrew Kronser	3737	C++	2017-09-09 01:47:37
5	Ernesto Quevedo Caballero	3879	C++	2021-09-10 02:47:36
6	Greg Walkup	3892	C++	2016-09-11 04:58:09
7	Ashfaqul Islam	3934	C++	2025-09-15 10:20:55
8	Collin Rapp	4020	C++	2016-09-26 21:12:21
9	Matt Kendzior	4066	C++	2017-09-08 01:06:40
10	Michael Crowther	4325	C++	2023-01-26 02:25:51

#	User	Length	Language	Date
1	Khifayat Abolurin	4035	Java	2025-01-28 05:20:22
2	Tonni Das Jui	4989	Java	2021-09-10 07:57:41
3	张珂燃	5119	Java	2016-09-09 17:57:24
4	Mark Josephs	5408	Java	2025-09-16 02:55:55
5	Md Rofiqul Islam	5415	Java	2020-09-14 10:13:39
6	Matt Harrison	5444	Java	2024-09-16 07:13:35
7	Hidden user	6379	Java	2021-09-14 00:13:47
8	Alibek Zhakubayev	6830	Java	2020-09-10 17:32:16
9	Vincent Bushong	7304	Java	2019-09-17 02:40:48
10	Clinton Adu Yeboah	7432	Java	2019-09-17 03:13:32

#	User	Length	Language	Date
1	Hidden user	8154	Python 2	2016-09-24 22:51:50

#	User	Length	Language	Date
1	Maryam Samami	2437	Python 3	2025-09-16 03:50:37
2	Bryant Huang	2915	Python 3	2024-09-17 05:40:29
3	Alejandro Rodríguez Pérez	2922	Python 3	2022-09-05 11:05:52
4	Kofi Nketia Ackaah-Gyasi	2922	Python 3	2024-09-17 05:57:52
5	Sharmin Fatema	2945	Python 3	2025-09-13 19:37:45
6	Rabeya Nazara	3130	Python 3	2025-09-15 13:10:58
7	Yanghe Yan	3172	Python 3	2025-09-16 07:38:45
8	Danielle Boswell	3431	Python 3	2025-09-15 19:44:39
9	Ana Paula Arguelles Terron	3580	Python 3	2024-09-14 20:50:39
10	Kevin Fritz	3694	Python 3	2025-01-27 23:44:02

Solution running time distribution