# include <stdio.h>

int iran ( int a, int b, int *seed );
//
//  In this example, we don't know the values of A, B, and C.
//  We want to find the maximum.
//
int main ( )
{
  int a;
  int b;
  int c;
  int max;
  int seed;
//
//  To make this fair, we set A, B, and C randomly.
//  To keep things interesting, we let the "seed" depend on the current time.
//
  seed = time ( 0 );

  a = iran ( 0, 100, &seed );
  b = iran ( 0, 100, &seed );
  c = iran ( 0, 100, &seed );

  printf ( "Starting out,    (A,B,C) = (%i,%i,%i)\n", a, b, c );
//
//  Imagine that A is the maximum.
//
  printf ( "MAX = %i = A\n", a );
  max = a;
//
//  If B is bigger, then it's the maximum.
//
  if ( max < b )
  {
    printf ( "MAX = %i < %i = B is bigger, so reset MAX\n", max, b );
    max = b;
  }
//
//  If C is bigger, then it's the maximum.
//
  if ( max < c )
  {
    printf ( "MAX = %i < %i = C is bigger, so reset MAX\n", max, c );
    max = c;
  }

  printf ( "\n" );
  printf ( "  The maximum of (%i,%i,%i) is %i\n", a, b, c, max );

  return 0;
}