migrate 392 questions to pattern format

2025-09-10 18:05:55 +01:00
parent 91e48f5239
commit 0ee388c420
402 changed files with 1383 additions and 545 deletions
--- a/backend/data/questions/check-if-array-pairs-are-divisible-by-k.yaml
+++ b/backend/data/questions/check-if-array-pairs-are-divisible-by-k.yaml
@@ -8,7 +8,8 @@ categories:
  - hash-tables
  - math
 patterns:
-  - prefix-sum
+  - slug: prefix-sum
+    is_optimal: true

 function_signature: "def can_arrange(arr: list[int], k: int) -> bool:"