Given a string s, reverse only the vowels in the string and return the resulting string.
s
The vowels are ‘a’, ‘e’, ‘i’, ‘o’, and ‘u’, and they can appear in both lowercase and uppercase, potentially more than once.
‘a’
‘e’
‘i’
‘o’
‘u’
Constraints:
1≤1 \leq1≤ s.length ≤3×105\leq 3 \times 10^5≤3×105
s.length
s consists of printable ASCII characters.
The key ...