Problem D
Unbalanced Parentheses — Problem Statistics

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Submissions	90
Accepted submissions	23
Submission ratio	25.56%
Authors	25
Accepted authors	13
Author ratio	52.00%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.06 s	C	2019-08-09 14:38:34
2	Christopher Mårtensson	0.07 s	C	2018-04-03 06:36:07

#	User	Runtime	Language	Date
1	QB TV	0.01 s	C++	2022-03-19 10:47:33
2	Bowen Yu	0.02 s	C++	2017-04-26 07:01:32
3	Jackson Abascal	0.06 s	C++	2017-04-15 23:03:58
4	Christopher Mårtensson	0.06 s	C++	2018-04-03 06:28:23
5	Zhang Bin	0.06 s	C++	2018-10-24 10:20:12
6	Alexander Skidanov	0.07 s	C++	2024-11-23 16:08:50
7	Imax Blue	0.08 s	C++	2018-03-19 01:18:04
8	Yuzhou Gu	0.09 s	C++	2017-04-15 23:24:37
9	Joakim Blikstad	0.12 s	C++	2021-08-30 13:57:25
10	Kevin Sun	0.14 s	C++	2018-01-04 16:38:09

#	User	Length	Language	Date
1	Christopher Mårtensson	2116	C	2018-04-03 06:37:12
2	Ivan Petrov	2253	C	2019-08-09 14:38:34

#	User	Length	Language	Date
1	Yuzhou Gu	1683	C++	2017-04-15 23:24:37
2	Joakim Blikstad	2124	C++	2021-08-30 13:57:25
3	Christopher Mårtensson	2163	C++	2018-04-03 06:31:58
4	Zhang Bin	2169	C++	2018-10-24 10:20:12
5	Bowen Yu	2223	C++	2017-04-26 07:01:32
6	Kevin Sun	2433	C++	2018-01-04 16:38:09
7	Bo Zhou	2456	C++	2017-04-26 06:08:16
8	QB TV	2497	C++	2022-03-19 10:47:33
9	Jackson Abascal	2705	C++	2017-04-15 23:03:58
10	Alexander Skidanov	3788	C++	2024-11-23 16:08:50

Solution running time distribution