Reverse String

Posted 2021-02-08 17bdw

Algorithm

【leetcode】Reverse String

https://leetcode.com/problems/reverse-string/

1）problem

编写一个以字符串作为输入并逆转字符串的函数。

2）answer

字符串大于0，就从最末尾开始取值。

3）solution

#include "pch.h"
#include <stdio.h>
#include <string>
#include <iostream>
#include <algorithm>
using std::string;


class Solution {
public:
    string reverseString(string s) {

        string result = "";
        for (int i =s.length()-1;i>=0 ; i--)
        {
            result += s.at(i);
        }

        return result;

    }
};

int main()
{
    // 使用内容
    Solution nSolution;
    nSolution.reverseString("abcdef");
}