Problem O
Vanishing Parentheses — Problem Statistics

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Submissions	257
Accepted submissions	96
Submission ratio	37.35%
Authors	95
Accepted authors	73
Author ratio	76.84%

#	User	Runtime	Language	Date
1	Timon Knigge	0.01 s	C++	2016-05-28 15:03:26
2	Josenildo Silva	0.01 s	C++	2017-04-14 21:29:14
3	Per Persson	0.01 s	C++	2017-05-31 08:50:39
4	traxex	0.01 s	C++	2018-04-15 11:03:21
5	Jannik Olbrich	0.01 s	C++	2019-03-09 17:51:00
6	Max Dublenko	0.01 s	C++	2019-10-24 03:52:09
7	Cong Vu Ba	0.01 s	C++	2020-10-06 11:01:24
8	Erik Amirell Eklöf	0.01 s	C++	2021-11-10 19:59:52
9	Devin Qu	0.01 s	C++	2022-09-13 03:32:26
10	Egor Gagushin	0.01 s	C++	2022-09-17 00:32:54

#	User	Runtime	Language	Date
1	Frank Endriss	0.12 s	Go	2021-12-27 19:59:38

#	User	Runtime	Language	Date
1	Md Akif Chowdhury	0.14 s	Haskell	2023-06-16 19:29:09
2	Brent Yorgey	0.20 s	Haskell	2020-11-11 14:37:28

#	User	Runtime	Language	Date
1	William Fiset	0.16 s	Java	2017-04-09 03:29:01
2	Martijn Muijsers	0.17 s	Java	2017-05-16 13:15:38
3	Nick Wu	0.18 s	Java	2016-06-16 09:13:07
4	Micah Stairs	0.19 s	Java	2017-01-10 06:29:08
5	Finn Lidbetter	0.26 s	Java	2017-08-12 16:02:16
6	Sander van Schouwenburg	0.27 s	Java	2017-10-17 23:52:10
7	Doug Goodman	0.35 s	Java	2018-06-10 16:48:46
8	Joachim Nybo	0.40 s	Java	2016-05-31 14:30:43
9	Naing Win Tun	0.41 s	Java	2018-08-04 15:01:02
10	Gaurav Arora	0.42 s	Java	2019-10-16 22:06:16

#	User	Runtime	Language	Date
1	Michael Laszlo	0.13 s	JavaScript (SpiderMonkey)	2016-09-28 21:06:29

#	User	Runtime	Language	Date
1	Michael Laszlo	0.07 s	Python 2	2016-09-28 20:25:25
2	Måns Magnusson	0.12 s	Python 2	2018-04-02 23:22:05
3	Svend Christian Svendsen	0.15 s	Python 2	2017-12-23 15:17:59

#	User	Runtime	Language	Date
1	John Barczynski	0.06 s	Python 3	2018-01-24 05:27:58
2	Måns Magnusson	0.06 s	Python 3	2018-04-02 23:24:21
3	Samuel McDowell	0.10 s	Python 3	2024-11-02 21:02:44
4	Casper Rysgaard	0.16 s	Python 3	2021-03-23 20:50:23
5	Linh B. Ngo	0.16 s	Python 3	2024-04-19 23:34:12
6	Shashank Bhatt	0.18 s	Python 3	2024-10-29 23:40:22
7	Kelly Dance	0.22 s	Python 3	2024-10-29 23:43:59
8	Bjarki Ágúst Guðmundsson	0.38 s	Python 3	2015-04-23 02:22:13
9	Leo Gao	0.40 s	Python 3	2019-10-20 23:54:21
10	Benjamin MacDougall	0.42 s	Python 3	2024-11-07 07:38:57

#	User	Runtime	Language	Date
1	Hidden user	0.15 s	Swift	2024-05-10 09:29:25

#	User	Length	Language	Date
1	Nathaniel Ang	908	C++	2020-05-21 19:11:29
2	Ninghui Li	1076	C++	2022-09-09 15:15:27
3	Atli Fannar Franklín	1084	C++	2023-06-22 14:18:02
4	Jannik Olbrich	1114	C++	2019-03-09 17:51:00
5	Hidden user	1134	C++	2021-02-25 16:16:25
6	Josenildo Silva	1216	C++	2017-04-14 21:29:14
7	Cyril Sharma	1263	C++	2022-09-15 20:26:29
8	Johan Wind	1387	C++	2018-09-19 02:27:25
9	Erik Amirell Eklöf	1403	C++	2021-11-10 19:59:52
10	Pierre T.	1463	C++	2022-10-13 21:57:20

#	User	Length	Language	Date
1	Frank Endriss	3159	Go	2021-12-27 19:59:38

#	User	Length	Language	Date
1	Md Akif Chowdhury	1058	Haskell	2023-06-16 19:29:09
2	Brent Yorgey	2547	Haskell	2020-11-11 14:37:28

#	User	Length	Language	Date
1	Doug Goodman	1382	Java	2018-06-10 16:48:46
2	Stephen Atwood	1482	Java	2016-10-24 00:29:46
3	Micah Stairs	1705	Java	2017-01-10 06:29:08
4	Finn Lidbetter	2093	Java	2017-08-12 16:02:16
5	Martijn Muijsers	2318	Java	2017-05-16 13:15:38
6	Gaurav Arora	2351	Java	2019-10-16 22:06:16
7	Sander van Schouwenburg	2476	Java	2017-10-17 23:52:10
8	Nick Wu	2981	Java	2016-06-16 09:13:07
9	Joachim Nybo	3053	Java	2016-05-31 14:27:17
10	Naing Win Tun	3586	Java	2018-08-04 15:01:02

#	User	Length	Language	Date
1	Michael Laszlo	1529	JavaScript (SpiderMonkey)	2016-09-28 21:06:29

#	User	Length	Language	Date
1	Svend Christian Svendsen	801	Python 2	2017-12-23 15:15:15
2	Måns Magnusson	841	Python 2	2018-04-02 23:22:05
3	Michael Laszlo	1106	Python 2	2016-09-28 20:25:25

#	User	Length	Language	Date
1	Kelly Dance	552	Python 3	2024-10-29 23:43:59
2	Nicholas Russell Saerang	555	Python 3	2025-06-18 19:29:19
3	Bjarki Ágúst Guðmundsson	784	Python 3	2015-04-23 02:22:13
4	Matthew McCaskill	811	Python 3	2021-03-24 16:22:01
5	Måns Magnusson	841	Python 3	2018-04-02 23:24:21
6	Leo Gao	846	Python 3	2019-10-20 23:54:21
7	Oskar Haarklou Veileborg	1014	Python 3	2021-09-09 11:10:30
8	Samuel McDowell	1037	Python 3	2024-11-02 21:02:44
9	Casper Rysgaard	1066	Python 3	2021-03-23 20:50:23
10	Johnricky Alba Espinosa	1182	Python 3	2022-10-15 23:34:15

#	User	Length	Language	Date
1	Hidden user	1035	Swift	2024-05-10 09:29:25

Solution running time distribution