3 ways to reverse string in C + +

First: use the reverse function in algorithm

#include <iostream> #include <string> #include <algorithm>using namespace Std;int main () {    string s = "hello";    Reverse (s.begin (), s.end ());    cout<<s<<endl;    Return 0;}

The second type: write it Yourself

#include <iostream>using namespace std;void Reverse (char *s,int n) {for    (int i=0,j=n-1;i<j;i++,j--) {        Char c=s[i];        s[i]=s[j];        s[j]=c;}    } int main () {    char s[]= "hello";    Reverse (s,5);    cout<<s<<endl;    Return 0;}

The third type: using the Strrev function in String.h

#include <iostream> #include <cstring>using namespace Std;int main () {    Char s[]= "hello";    Strrev (s);    cout<<s<<endl;    Return 0;}

　　

3 ways to reverse string in C + +