.panel.panel-primary
  .panel-heading
    Problems
  .panel-body
    %p
      Select problem(s) that we wish to know the score.
    = label_tag :problem_id, "Problems"
    = select_tag 'problem_id[]',
        options_for_select(Problem.all.collect {|p| ["[#{p.name}] #{p.full_name}", p.id]},params[:problem_id]),
        { class: 'select2 form-control', multiple: "true" }