Palindromic Parentheses
1906L2500· grandmaster1s1024 MB⌨ stdin/stdout
Examples
Sample 1of 4
Input
6 4
Output
(())()
Sample 2of 4
Input
6 3
Output
(()())
Sample 3of 4
Input
4 1
Output
-1
Sample 4of 4
Input
14 11
Output
()((())()())()
58%
1906L.cpp
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Ln 11·137 BGNU C++20 (64)