#include "library.h"

void write_the_line()
{ print("I will do whatever I did in class again.");
  new_line(); }

/* This is the first version, the plan is

     To do something N times
      1. Do it once
      2. only if N > 1
           2a. Do it N-1 times

  void write_the_line_N_times(int N)
  { write_the_line();
    if (N > 1)
      write_the_line_N_times(N - 1); }
*/


/* The second version is slightly superior, the new plan is
 
     To do something N times
      1. if N > 0
           1a. Do it once
           1b. Do it N-1 times
*/

void write_the_line_N_times(int N)
{ if (N > 0)
  { write_the_line();
    write_the_line_N_times(N - 1); } }

void main()
{ write_the_line_N_times(7); }