Problem A
Bracket Pairing — Problem Statistics

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Submissions	870
Accepted submissions	267
Submission ratio	30.69%
Authors	228
Full solves [?]	172
Full solve Ratio	75.44%

#	User	Runtime	Language	Date
1	Lawry Sorenson	0.13 s	C	2023-08-29 20:49:24

#	User	Runtime	Language	Date
1	Steinar Simonnes	0.00 s	Haskell	2025-02-13 15:34:11
2	Brent Yorgey	0.01 s	Haskell	2022-03-01 01:44:14
3	Zach Tschetter	6.60 s	Haskell	2022-03-06 22:19:30

#	User	Runtime	Language	Date
1	Haohong Li	0.06 s	Java	2022-02-26 22:42:10
2	Patrick Zhang	0.06 s	Java	2022-02-27 02:51:19
3	Liam Keliher	0.06 s	Java	2022-04-03 03:08:21
4	Bjørn Dons	0.06 s	Java	2023-08-07 21:04:04
5	Peter Li	0.07 s	Java	2022-03-01 21:07:06
6	Suhas T. Nagar	0.09 s	Java	2022-11-06 21:04:00
7	Rene Sandagon	0.09 s	Java	2023-08-22 10:19:07
8	Mayuri Birari	0.09 s	Java	2024-02-11 03:56:21
9	Collin Jakubik	0.10 s	Java	2022-03-06 01:09:10
10	Michael Stephen Skalak	0.10 s	Java	2022-04-05 03:06:02

#	User	Runtime	Language	Date
1	Nicholas Johnson	0.12 s	Kotlin	2022-02-26 21:54:43
2	Jacob Huebner	0.13 s	Kotlin	2022-02-28 03:02:34

#	User	Runtime	Language	Date
1	Ole Vik Lysne	0.04 s	Python 3	2024-11-03 22:39:00
2	Daniel Rasmussen	0.04 s	Python 3	2025-03-20 19:20:13
3	Prateek Bhakta	0.04 s	Python 3	2025-10-30 01:00:32
4	Iqtedar Uddin	0.04 s	Python 3	2025-11-07 20:17:25
5	Kelly Dance	0.05 s	Python 3	2022-08-23 21:06:11
6	Nikita Morozov	0.05 s	Python 3	2023-02-22 06:40:43
7	Magnus Hokland Hegdahl	0.05 s	Python 3	2023-04-10 17:16:17
8	Ahmed Siadomar	0.05 s	Python 3	2023-09-14 23:01:54
9	Andrew Brady	0.05 s	Python 3	2023-09-29 15:40:35
10	Yili Yu	0.05 s	Python 3	2023-09-30 19:32:01

#	User	Runtime	Language	Date
1	Arnav Sastry	0.00 s	Rust	2022-03-11 04:47:50

#	User	Length	Language	Date
1	Lawry Sorenson	1959	C	2023-08-29 20:52:49

#	User	Length	Language	Date
1	Kjetil Berg	626	C++	2024-06-13 23:12:35
2	Jeremy Lim	779	C++	2025-05-22 09:07:16
3	Hidden user	820	C++	2024-02-10 16:27:45
4	Buste Alin	919	C++	2025-01-23 22:35:49
5	Matei Alexandru	922	C++	2025-01-25 14:29:02
6	Trần Cảnh Nam	926	C++	2022-08-23 18:15:08
7	Cheng-Yuan Lee	956	C++	2023-01-21 11:48:12
8	Evan Wang	1026	C++	2022-02-26 20:45:43
9	ณัฐวุฒิ เจนศักดิ์ดา	1037	C++	2024-02-03 12:44:08
10	Hill Alex Shantih	1039	C++	2022-04-12 00:46:11

#	User	Length	Language	Date
1	Steinar Simonnes	1173	Haskell	2025-02-13 15:34:11
2	Zach Tschetter	1198	Haskell	2022-03-06 22:19:30
3	Brent Yorgey	9340	Haskell	2022-03-01 01:44:14

#	User	Length	Language	Date
1	Rene Sandagon	1361	Java	2023-08-22 10:19:07
2	Intothe Unknown	1362	Java	2023-08-22 06:56:36
3	Abdelrahman Mokbel	1387	Java	2022-11-06 07:17:24
4	Crystal Sharpe	1413	Java	2022-07-07 02:09:56
5	Mayuri Birari	1484	Java	2024-02-11 03:56:21
6	Michael O'Brien	1503	Java	2022-03-04 22:02:14
7	Collin Jakubik	1640	Java	2022-11-09 22:20:34
8	Doug Goodman	1861	Java	2022-03-02 18:52:33
9	Suhas T. Nagar	2294	Java	2022-11-06 21:04:00
10	Patrick Zhang	2324	Java	2022-02-27 02:51:19

#	User	Length	Language	Date
1	Jacob Huebner	1655	Kotlin	2022-02-28 02:42:14
2	Nicholas Johnson	1736	Kotlin	2022-02-26 21:54:43

#	User	Length	Language	Date
1	Ole Vik Lysne	329	Python 3	2024-11-03 23:06:30
2	Magnus Hokland Hegdahl	364	Python 3	2023-04-10 17:36:46
3	Kelly Dance	400	Python 3	2022-08-23 21:15:12
4	Dilhan Salgado	455	Python 3	2025-11-02 23:29:09
5	Prateek Bhakta	519	Python 3	2025-10-30 01:00:32
6	Jakob Rødal Skaar	532	Python 3	2024-04-02 13:35:14
7	Nicholas Russell Saerang	611	Python 3	2025-03-24 04:17:33
8	Arihant Jain	683	Python 3	2022-02-27 23:54:25
9	Iqtedar Uddin	688	Python 3	2025-11-07 20:17:25
10	Steve Tate	691	Python 3	2022-02-27 17:06:22

#	User	Length	Language	Date
1	Arnav Sastry	3539	Rust	2022-03-11 04:47:50

Solution running time distribution