题解 | #编写函数实现字符串翻转（引用方式）#

#include<bits/stdc++.h>
using namespace std;
// write your code here......
void strback(string &s){
    int len=s.length();
    for(int i=0;i<len/2;i++){
        char temp=s[len-1-i];
        s[len-1-i]=s[i];
        s[i]=temp;
    }
}
int main(){
    string s;
    getline(cin,s);
    // write your code here......
    strback(s);
    cout<<s;
    return 0;
}