#include <stdio.h>

/* the definition of assignment */
typedef struct {
  int mark;
  int max_mark;
  double weight;
} assignment;

int main ( void ) {
  assignment a1, a2;

  /* put some values in the assignments */
  a1.mark = 17;
  a1.max_mark = 20;
  a1.weight = 0.05;
  a2.mark = 8;
  a2.max_mark = 10;
  a2.weight = 0.05;

  /* print some stuff out */
  printf("On assignment 1, I got %i out of %i.  That is %g%%.\n", a1.mark, a1.max_mark, (double)a1.mark/a1.max_mark*100 );
  printf("On assignment 2, I got %i out of %i.  That is %g%%.\n", a2.mark, a2.max_mark, (double)a2.mark/a2.max_mark*100 );

  return 0;
}