Reverse String问题及解法

问题描述：

Write a function that takes a string as input and returns the string reversed.

示例：

Given s = "hello", return "olleh".

过程很简单，直接看代码即可

class Solution {public:    string reverseString(string s) {        string res = "";        for(int i = s.length(); i > 0; i--)        {        res.push_back(s[i - 1]);}return res;    }};