Problem C
Regular Language Complement — Problem Statistics

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Submissions	1322
Accepted submissions	566
Submission ratio	42.81%
Authors	211
Full solves [?]	109
Full solve Ratio	51.66%

#	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	Noah	0.00 s	C++	2026-02-06 17:16:14
10	Greg Walkup	0.01 s	C++	2016-09-11 04:58:09

#	User	Runtime	Language	Date
1	Hidden user	0.12 s	Java	2026-02-10 03:32:25
2	Sri Manjusha Tella	0.17 s	Java	2022-12-19 02:58:19
3	Tanvir Ahmed Redoy	0.21 s	Java	2025-09-15 21:39:04
4	张珂燃	0.26 s	Java	2016-09-09 17:57:24
5	Md Rofiqul Islam	0.29 s	Java	2020-09-14 10:13:39
6	Matthew Griffin	0.36 s	Java	2017-09-10 18:51:21
7	Hidden user	0.36 s	Java	2017-09-16 02:37:46
8	Hidden user	0.36 s	Java	2021-09-14 00:13:47
9	Sam Fries	0.36 s	Java	2026-02-09 21:22:19
10	Vincent Bushong	0.38 s	Java	2019-09-17 02:40:48

#	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	Habiba El Yousfi	0.05 s	Python 3	2026-02-10 00:06:55
3	Mitchell Thompson	0.05 s	Python 3	2026-02-10 00:42:14
4	John Jr	0.05 s	Python 3	2026-02-10 05:54:39
5	Aaron L Carney	0.06 s	Python 3	2024-09-20 17:16:23
6	Kevin Fritz	0.06 s	Python 3	2025-01-27 23:44:02
7	Rabeya Nazara	0.06 s	Python 3	2025-09-15 13:10:58
8	Maryam Samami	0.06 s	Python 3	2025-09-16 03:50:37
9	Yanghe Yan	0.06 s	Python 3	2025-09-16 07:38:45
10	Joseph Torres	0.06 s	Python 3	2026-01-21 05:51:19

#	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	Hidden user	2993	C++	2026-02-09 21:00:55
4	Muhammad Ashfakur Rahman Arju	3619	C++	2022-09-14 23:26:16
5	Gan-Orgil Gantumur	3638	C++	2026-02-09 04:33:48
6	Andrew Kronser	3737	C++	2017-09-09 01:47:37
7	Victoria Covey	3769	C++	2026-01-26 03:12:24
8	Ernesto Quevedo Caballero	3879	C++	2021-09-10 02:47:36
9	Greg Walkup	3892	C++	2016-09-11 04:58:09
10	Ashfaqul Islam	3934	C++	2025-09-15 10:20:55

#	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	Sam Fries	5469	Java	2026-02-09 21:22:19
8	Hidden user	5589	Java	2026-02-10 03:32:25
9	Zhan Su	5715	Java	2026-02-09 07:17:49
10	Hidden user	6379	Java	2021-09-14 00:13:47

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

#	User	Length	Language	Date
1	Oliver Liu	1947	Python 3	2026-02-10 05:46:31
2	John Jr	2386	Python 3	2026-02-10 05:54:39
3	Maryam Samami	2437	Python 3	2025-09-16 03:50:37
4	Bryant Huang	2915	Python 3	2024-09-17 05:40:29
5	Alejandro Rodríguez Pérez	2922	Python 3	2022-09-05 11:05:52
6	Kofi Nketia Ackaah-Gyasi	2922	Python 3	2024-09-17 05:57:52
7	Habiba El Yousfi	2939	Python 3	2026-02-10 00:06:55
8	Sharmin Fatema	2945	Python 3	2025-09-13 19:37:45
9	Alan Villagrand	2981	Python 3	2026-02-09 06:27:05
10	Mitchell Thompson	2986	Python 3	2026-02-10 00:42:14

Solution running time distribution