# include <stdio.h>
# include <time.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 put them into sorted order.
//
int main ( )
{
  int a;
  int b;
  int c;
  int seed;
  int t;
//
//  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 );
//
//  A, all by itself, is in order.
//  Is (A,B) in order?
//  If not, swap A and B.
//
  if ( b < a )
  {
    t = a;
    a = b;
    b = t;
    printf ( "Swapped A and B: (A,B,C) = (%i,%i,%i)\n", a, b, c );
  }
//
//  (A,B) is in order.
//  Is (A,B,C) in order?  C might slide one place left, or even two.
//
  if ( c < b )
  {
    t = b;
    b = c;
    c = t;
    printf ( "Swapped B and C, (A,B,C) = (%i,%i,%i)\n", a, b, c );
    if ( b < a )
    {
      t = a;
      a = b;
      b = t;
      printf ( "Swapped A and B: (A,B,C) = (%i,%i,%i)\n", a, b, c );
    }
  } 
  return 0;
}