#define CHAR_BIT_NUM 8
  

  int min(int a, int b)
  

  {
  

  return  b+((a-b)&((a-b)>>(sizeof(int)*CHAR_BIT_NUM-1)));
  

  }
  

  

  int smallest(int a, int b, int c)
  

  {
  

  return min(a, min(b, c));
  

  }