题解 | #编写函数实现字符串翻转（引用方式）#

#include<bits/stdc++.h> using namespace std;

void reverse_string(string &s){ int left = 0; int right = s.size() - 1; char temp; while (left < right){ temp = s[left]; s[left] = s[right]; s[right] = temp; left++; right--; } }

int main(){ string s; getline(cin,s); reverse_string(s); cout<<s; return 0; }