http://www.jackxiang.com/index.php zh-cn http://www.jackxiang.com/post// jack <xdy108@126.com> Tue, 15 Jul 2008 10:12:48 +0000 http://www.jackxiang.com/post// function change($num)
{
        $num_zero_result=2;
        if($num==1)
        return 1;
        if($num==2)
        return 2;

        for($i=1;$i<$num-1;$i++)
        {
                $num_zero_result=$num_zero_result*2;
        }
        return $num_zero_result;
}
echo change(1);
echo change(2);
echo change(3);
echo change(4);
echo change(5);
echo change(6);
echo change(7);
echo change(8);
echo change(9);


?> ]]> http://www.jackxiang.com/post//#blogcomment <user@domain.com> Thu, 01 Jan 1970 00:00:00 +0000 http://www.jackxiang.com/post//#blogcomment