cf/mirror

Zhily and Bracket Swapping

CF
2223A1300· pupil2s512 MB⌨ stdin/stdout
#constructive algorithms#greedy

Examples

Sample 1of 1multi-test • hover to link
Input
7
2
()
()
4
))((
(())
4
((((
))))
4
()()
(())
6
(((())
()()))
8
()()()()
(((())))
4
((((
((((
Output
YES
NO
NO
YES
YES
YES
NO
2223A.cpp
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Ln 11·137 BGNU C++20 (64)