c02p101b.txt

Data Abstraction & Problem Solving with C++源码

void writeBackward(string s, int size)
{
   if (size > 0)
   {  // write last character
      cout << s.substr(size-1, 1);
      writeBackward(s, size - 1);  // write rest
   }  // end if
}  // end writeBackward