#include <iostream>
#include <iostream>
#include <string>
using namespace std;
int main() {
    str = "programming";
    int n = str.length();


    for (int i = 0; i < n / 2; i++) {
        swap(str[i], str[n - i - 1]);
    }

    cout << "Reversed string: " << str <<endl;

    return 0;
}