#include<iostream>
#include<string>
using namespace std;
int main(){
string s = "abcdefghijklm";
//cout << s << endl;
cout << s << endl;
int len = s.length();
char tmp = 'a';
for (int i = 0; i < len / 2; i++){
tmp = s[i];
s[i] = s[len - 1 - i];
s[len - 1 - i] = tmp;
}
cout << s;
system("pause");
}
#include<string>
using namespace std;
int main(){
string s = "abcdefghijklm";
//cout << s << endl;
cout << s << endl;
int len = s.length();
char tmp = 'a';
for (int i = 0; i < len / 2; i++){
tmp = s[i];
s[i] = s[len - 1 - i];
s[len - 1 - i] = tmp;
}
cout << s;
system("pause");
}