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Solution: Reverse Vowels of a String

Explore the two pointers technique to reverse vowels in a string while preserving other characters. This lesson teaches you how to swap vowels in-place with optimal time and space complexity, strengthening your problem-solving skills for coding interviews.

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:

  • 11 \leq s.length 3×105 ...