001-ReverseOfString.cpp

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

int main(int argc, char *argv[]) {
  string str;
  char temp;

  getline(cin, str);

  for (int i = 0; i < str.length() / 2; i++) {
    temp = str[i];
    str[i] = str[str.length() - 1 - i];
    str[str.length() - 1 - i] = temp;
  }

  cout << str << endl;

  return 0;
}