int main ( void )
{
  unsigned int x = 1, y = 2;
  int flag = 0;

  if ( x >= 0 )  //违背1
  {
    flag = flag + 1;
  }

  if ( y <= 0 )  //违背2
  {
    flag = flag + 1;
  }

  return ( 0 );
}