【LeetCode】345. Reverse Vowels of a String 解题小结
题目：
Write a function that takes a string as input and reverse only the vowels of a string.
Example 1:
Given s = "hello", return "holle".
Example 2:
Given s = "leetcode", return "leotcede".
应该算不上有难度。
class Solution {
public:string reverseVowels(string s) {string str = s;for (int i = 0, j = str.size() - 1; i < j; ){if (isVowel(str[i]) && isVowel(str[j])) {char tmp = str[i];str[i] = str[j];str[j] = tmp;i++;j--;}if ( !isVowel(str[i]))++i;if ( !isVowel(str[j])) --j;}return str;}bool isVowel(char c) {if (c == 'a' || c == 'e' || c == 'i' || c == 'u' || c == 'o' \|| c == 'A' || c == 'E' || c == 'I' || c == 'U' || c == 'O') return true;return false;}
};转载于:https://www.cnblogs.com/Doctengineer/p/5866768.html
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