hacker.org

Hi,
my code is working good in HVM,
but in challenge page it display below message

Warning: Division by zero in /home/hacker_apache/html/hacker/html/hvm/hvmchallenge.php on line 88

I input other challenge page like 'Exclusive OR', it display what I expect.

Is there anything what I miss?

When I enter e.g.

20/p

in either 'Broken Key' or 'Exclusive Or', the same warning message appears:

Warning: Division by zero in /home/hacker_apache/html/hacker/html/hvm/hvmchallenge.php on line 88

Apart from that, I am getting a lot of "503 Service Temporarily Unavailable" errors at the moment.

I get warning only in 'Broken Key' page.

I inserted debugging code and
found that my code has bug
(when the memory stored values are same, the warning appear).
Sorry to bother you.