Reverse Vowels of a String

time limit per test: 1 seconds
memory limit per test: 100 megabytes

Given a string s, reverse only all the vowels in the string and return it.

The vowels are 'a', 'e', 'i', 'o', and 'u', and they can appear in both lower and upper cases, more than once.

 

Example 1:

Input: s = "IceCreAm"
Output: "AceCreIm"
Explanation:
The vowels in s are ['I', 'e', 'e', 'A']. On reversing the vowels, s becomes "AceCreIm".


Example 2:

Input: s = "CoderPlayground"
Output: "CudorPlaygreond"

 

Constraints:

  • 1 <= s.length <= 3 * 105
  • s consist of printable ASCII characters.


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Input: IceCreAm

Expected Output: AceCreIm

Input: CoderPlayground

Expected Output: CudorPlaygreond