111. Reverse Only the Vowels
EasyTwo Pointers
Reverse the order of the vowels (a, e, i, o, u, either case) in the string, leaving other characters in place.
Input format
A single line.
Output format
The modified string.
Example 1
Input
hello
Output
holle
Example 2
Input
leetcode
Output
leotcede
Constraints
1 ≤ |s| ≤ 10⁵
Read input from standard input and print the answer to standard output. Your code is judged against 4 test cases, most of them hidden.
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