345. Reverse Vowels of a String
Problem:
Write a function that takes a string as input and reverse only the vowels of a string.
Example 1:
复制Input: "hello"
Output: "holle"
Example 2:
Input: "leetcode"
Output: "leotcede"
Note:
The vowels does not include the letter "y".
思路:
Solution (C++):
string reverseVowels(string s) {
int i = 0, j = s.length()-1;
while (i < j) {
i = s.find_first_of("aeiouAEIOU", i);
j = s.find_last_of("aeiouAEIOU", j);
if (i < j) swap(s[i++], s[j--]);
}
return s;
}
性能:
Runtime: 12 ms Memory Usage: 8.1 MB
思路:
Solution (C++):
性能:
Runtime: ms Memory Usage: MB
相关链接如下:
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