Add prerequisite for difference-of-squares exercise (#1159)

* Add prerequisite for difference-of-squares exercise * 👌
exercism · Jun 18, 2021 · 4089879 · 4089879
1 parent f7224a3
commit 4089879
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/config.json b/config.json
@@ -588,7 +588,7 @@
         "name": "Difference Of Squares",
         "uuid": "7dfa878c-83a6-48ef-9170-b6633d51d601",
         "practices": [],
-        "prerequisites": [],
+        "prerequisites": ["classes", "for-loops"],
         "difficulty": 3,
         "topics": ["algorithms", "loops", "integers", "math"]
       },