![](https://www.icode9.com/i/l/?n=20&i=blog/1435569/202103/1435569-20210306204929639-820943646.png)
思路
方法:首尾双指针
1 class Solution {
2 public:
3 void reverseString(vector<char>& s) {
4 int i = 0, j = s.size()-1;
5 while(i < j) {
6 swap(s[i], s[j]);
7 ++i;
8 --j;
9 }
10 }
11 };
![](https://www.icode9.com/i/l/?n=20&i=blog/1435569/202103/1435569-20210306205009974-2037721129.png)
标签:int,void,public,344,swap,字符串,LeetCode,size
来源: https://www.cnblogs.com/FengZeng666/p/14492300.html