Miscellany

#include <iostream>                                    
                                                                 // Include standard library for I/O
using namespace std;                          // Declare access to the standard C++ library
 
int main()                                               // Main function = execution starting place
{                                                               // Beginning of main function
   cout << "Hello, world!" << endl;           // Directs the string into standard output stream
   return 0;                                  // Return that worked as expected (no errors)
}                                            // End of main function