my ($data, $tr) = @_;
$tr->fclass('id')->namedlink($data->{id});
$tr->fclass('problem')->namedlink($data->{problem}, $data->{problem_name});
my ($data, $tr) = @_;
$tr->fclass('id')->namedlink($data->{id});
$tr->fclass('problem')->namedlink($data->{problem}, $data->{problem_name});
$tr->fclass('contest')->namedlink($data->{contest}, $data->{contest_name}) if $data->{contest};
$tr->fclass('contest')->replace_content('None') unless $data->{contest};
$tr->fclass('date')->replace_content(ftime $data->{date});
$tr->fclass('contest')->namedlink($data->{contest}, $data->{contest_name}) if $data->{contest};
$tr->fclass('contest')->replace_content('None') unless $data->{contest};
$tr->fclass('date')->replace_content(ftime $data->{date});