Index: backend/prisma/schema.prisma
===================================================================
--- backend/prisma/schema.prisma	(revision ccd29d833ee0ee1bfa3b13cd8ea87cd135337f97)
+++ backend/prisma/schema.prisma	(revision 567b253f2262273fb6afaf92f3da4f4288d319fc)
@@ -63,4 +63,6 @@
   forum_posts          forum_posts[]
   to_be_reviewed       to_be_reviewed[]
+
+  @@index([points(sort: Desc)])
 }
 
@@ -76,4 +78,5 @@
   examples     Json?
   output_type  String?
+  difficulty   String?
   test_cases   test_cases[]
 }