use constant CONTEST_PUBLIC_COLUMNS => [qw/id name description start stop owner/];
use constant PROBLEM_PUBLIC_COLUMNS => [qw/id author writer level name owner private timeout olimit value/];
use constant USER_PUBLIC_COLUMNS => [qw/id admin name town university country level/];
-use constant JOBS_PER_PAGE => 10;
+use constant JOBS_PER_PAGE => 50;
sub dynsub{
our ($name, $sub) = @_;