#345
Reverse Vowels of a String
pupil · 420 · lc easy +25 · 60.7% accepted · 5,331 likes · top 60%
Description
Given a string s, reverse only the vowels in it and return the result.
The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper cases, more than once.
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