leetcode-344-reverse string

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

Example:
Given s = “hello”, return “olleh”.

反转一个给定字符串

简单的倒序添加每一个字符即可

class Solution {
public:
    string reverseString(string s) {
        string res="";
        for(int i = 0; i<s.length();i++)
        res=s[i]+res;

        return res;
    }
};