Problem K
Unbalanced Parentheses — Problem Statistics

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Submissions	96
Accepted submissions	30
Submission ratio	31.25%
Authors	26
Full solves [?]	15
Full solve Ratio	57.69%

#	User	Runtime	Language	Date
1	Ivan Petrov	0.06 s	C	2019-08-09 12:38:34
2	Christopher Mårtensson	0.07 s	C	2018-04-03 04:36:07

#	User	Runtime	Language	Date
1	QB TV	0.01 s	C++	2022-03-19 09:47:33
2	Bowen Yu	0.02 s	C++	2017-04-26 05:01:32
3	Jeremy Lim	0.02 s	C++	2026-02-17 14:47:52
4	Jackson Abascal	0.06 s	C++	2017-04-15 21:03:58
5	Christopher Mårtensson	0.06 s	C++	2018-04-03 04:28:23
6	Zhang Bin	0.06 s	C++	2018-10-24 08:20:12
7	Alexander Skidanov	0.07 s	C++	2024-11-23 15:08:50
8	Imax Blue	0.08 s	C++	2018-03-19 00:18:04
9	Yuzhou Gu	0.09 s	C++	2017-04-15 21:24:37
10	Joakim Blikstad	0.12 s	C++	2021-08-30 11:57:25

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

#	User	Length	Language	Date
1	Yuzhou Gu	1683	C++	2017-04-15 21:24:37
2	Jeremy Lim	2118	C++	2026-02-17 15:41:51
3	Joakim Blikstad	2124	C++	2021-08-30 11:57:25
4	Christopher Mårtensson	2163	C++	2018-04-03 04:31:58
5	Zhang Bin	2169	C++	2018-10-24 08:20:12
6	Bowen Yu	2223	C++	2017-04-26 05:01:32
7	Kevin Sun	2433	C++	2018-01-04 15:38:09
8	Bo Zhou	2456	C++	2017-04-26 04:08:16
9	QB TV	2497	C++	2022-03-19 09:47:33
10	Jackson Abascal	2705	C++	2017-04-15 21:03:58

Solution running time distribution