题解 | #编写函数实现字符串翻转（引用方式）#
编写函数实现字符串翻转（引用方式）
https://www.nowcoder.com/practice/46eb5bd3ebc544fc96d335c8cb7d30f1
#include<bits/stdc++.h>
using namespace std;
// write your code here......
string reverse_str(string s)
{
string &s1 =s;
int len=s.size();
char tmp;
for(int i=0;i<(len/2);i++)
{
tmp=s1[i];
s1[i]=s1[len-1-i];
s1[len-1-i]=tmp;
}
return s1;
}
int main(){
string s;
getline(cin,s);
// write your code here......
s=reverse_str(s);
cout<<s;
return 0;
}
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