#3614
Process String with Special Operations II
grandmaster · 2260 · lc hard +32 · 16.9% accepted · 92 likes · top 1%
Description
A string s of lowercase letters and special characters '*', '#', '%' is processed using the same rules as the simpler version (append letter, delete last on '*', duplicate on '#', reverse on '%'). An integer k is also given.
Return the k-th character (0-indexed) of the final result string. If k is out of range, return '.'.
Code
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