>16))
{
$max = $probe;
$probe = ($probe << 16) + 0xffff;
}
return $max;
}
if (!defined('PHP_INT_MAX'))
{
define ('PHP_INT_MAX', get_int_max());
}
$max = array();
$max[0] = 2;
$max[1] = 10;
$max[2] = 100;
$max[3] = 1000;
$max[4] = 10000;
$max[5] = 100000;
$max[6] = 1000000;
$max[7] = 10000000;
$max[8] = 100000000;
$max[9] = 1000000000;
$max[10] = PHP_INT_MAX;
if ($max[10] > 10000000000)
$max[10] = 10000000000;
function generate() {
global $max;
$_SESSION['count']++;
$num = rand($max[$_SESSION['count']-1],
$max[$_SESSION['count']]-1);
if ($_SESSION['count'] == 1)
$ans = prime($num);
else {
if ($num % 2 == 0)
$num++;
$ans = rand(0,999) < 500;
while (prime($num) != $ans || $num % 5 == 0)
$num += 2;
}
$_SESSION['number'] = $num;
if ($ans)
$_SESSION['answer'] = "yes";
else
$_SESSION['answer'] = "no";
}
?>
Primality test!
Primality test!
Question :
Is
a prime number?
Congratulations!
You answered all questions!
It took you
seconds
and you made no mistakes.
and you made one mistake
and you made mistakes.