Solution: Reverse Vowels of a String
Explore how to apply the Two Pointers pattern to reverse vowels within a string while preserving the order of other characters. Learn to use pointers effectively to identify vowels, perform in-place swaps, and achieve an optimal O(n) time complexity solution.
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Statement
Given a string s, reverse only the vowels in the string and return the resulting string.
The vowels are ‘a’, ‘e’, ‘i’, ‘o’, and ‘u’, and they can appear in both lowercase and uppercase, potentially more than once.
Constraints:
s.length...