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31 lines
577 B
Markdown
31 lines
577 B
Markdown
# [345. Reverse Vowels of a String](https://leetcode.com/problems/reverse-vowels-of-a-string/)
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## 题目
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Write a function that takes a string as input and reverse only the vowels of a string.
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Example 1:
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```c
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Input: "hello"
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Output: "holle"
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```
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Example 2:
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```c
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Input: "leetcode"
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Output: "leotcede"
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```
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## 题目大意
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题目要求我们反转字符串中的元音字母。需要注意字母大小写。
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## 解题思路
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这一题的解题思路是用 2 个指针，指针对撞的思路，来不断交换首尾元素，即可。这一题和第 344 题思路一样。
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