Solution: Reverse Vowels of a String
Explore how to reverse vowels in a string by applying the two pointers pattern. This lesson teaches you to efficiently swap vowels in-place while leaving consonants unchanged, and understand the time and space complexity of the approach.
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We'll cover the following...
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...