die if defined $contest && $contest !~ /^\w+$/ ;
die if defined $contest && (time > contest_end $contest);
return reply 'A required parameter was not supplied' if grep { !defined } $problem, $format, $prog;
die if defined $contest && $contest !~ /^\w+$/ ;
die if defined $contest && (time > contest_end $contest);
return reply 'A required parameter was not supplied' if grep { !defined } $problem, $format, $prog;