Basic C++ problems

There is a faster way to do this.

Code:

string reverse(string s)
{
  return string(s.rend(), s.rbegin());
}

But if you want to do it manually..

Code:

string reverse(string s)
{
  char temp;
  int length = s.length() - 1;
  int numSwaps = s.length() >> 1;

  for(int i = 0; i < numSwaps; i++)
  {
    temp = s[i];
    s[i] = s[length-i];
    s[length-i] = temp;
  }
  return s;
}