my ($self, $id) = @_;
my $user = $self->users->find($id, {columns => USER_PUBLIC_COLUMNS, prefetch => [qw/problem_statuses contest_statuses/]});
my @problems = map { {problem => $_->get_column('problem'), solved => $_->solved} } $user->problem_statuses;
my ($self, $id) = @_;
my $user = $self->users->find($id, {columns => USER_PUBLIC_COLUMNS, prefetch => [qw/problem_statuses contest_statuses/]});
my @problems = map { {problem => $_->get_column('problem'), solved => $_->solved} } $user->problem_statuses;