Problem B
Vanishing Parentheses — Problem Statistics

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Submissions	30
Accepted submissions	5
Submission ratio	16.67%
Authors	11
Accepted authors	5
Author ratio	45.45%

#	User	Runtime	Language	Date
1	Ryan Cobb	0.05 s	C++	2015-04-29 10:49:24
2	Greg Walkup	0.30 s	C++	2015-04-07 05:03:16
3	Kevyn Browning	0.31 s	C++	2015-04-07 20:53:07
4	Josh Holland	0.39 s	C++	2020-04-13 21:53:16

#	User	Runtime	Language	Date
1	Matthew McCaskill	0.98 s	Python 3	2021-03-24 16:22:01

#	User	Length	Language	Date
1	Ryan Cobb	2049	C++	2015-04-29 10:49:24
2	Greg Walkup	2412	C++	2015-04-07 05:03:16
3	Kevyn Browning	2412	C++	2015-04-07 20:53:07
4	Josh Holland	2485	C++	2020-04-13 21:53:16

#	User	Length	Language	Date
1	Matthew McCaskill	811	Python 3	2021-03-24 16:22:01

Solution running time distribution