题解 | #字符串反转#

#include<iostream>
#include<string>
using namespace std;

void StrReverse(string &str)
{
    int start=0;
    int end=str.size()-1;
    while(start<end)
    {
        int tmp=str[start];
        str[start]=str[end];
        str[end]=tmp;
        start++;
        end--;
    }
}


int main()
{
    string str;
    while(getline(cin,str))
    {
        StrReverse(str);
        cout<<str<<endl;
    }
    return 0;
}