.

generic/views.py

@@ -1370,7 +1370,10 @@ class ExamViews(View, LoginRequiredMixin):
         by_question = defaultdict(dict)
         unmarked = set()
 
-        questions = exam.exam_questions.all().prefetch_related("answers")
+        if self.app_name in ("physics", "sbas"):
+            questions = exam.exam_questions.all()
+        else:
+            questions = exam.exam_questions.all().prefetch_related("answers")
 
         # We could prefect the CidUserAnswers.answers here (if we didn't cache them)
         cid_user_answers = self.CidUserAnswer.objects.select_related("question").filter(
@@ -1383,7 +1386,7 @@ class ExamViews(View, LoginRequiredMixin):
         for cid_user_answer in cid_user_answers:
             # Convoluted (probably...)
             if cid_user_answer.user is None:
-                cid = cid_user_answer.cid
+                cid = f"c/{cid_user_answer.cid}"
                 # cid_passcodes[cid] = cid_user_answer.passcode
                 cids.add(cid)
             else: