345. Reverse Vowels of a String(交換元音字母)(leetcode)
Write a function that takes a string as input and reverse only the vowels of a string.
Example 1:
Input: "hello"
Output: "holle"
Example 2:
Input: "leetcode"
Output: "leotcede"
Note:
The vowels does not include the letter "y".
345. Reverse Vowels of a String(交換元音字母)(leetcode)
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