migrate 392 questions to pattern format

2025-09-10 18:05:55 +01:00
parent 13bab63618
commit c60ae08f56
402 changed files with 1383 additions and 545 deletions
--- a/backend/data/questions/binary-subarrays-with-sum.yaml
+++ b/backend/data/questions/binary-subarrays-with-sum.yaml
@@ -7,8 +7,10 @@ categories:
  - arrays
  - hash-tables
 patterns:
-  - sliding-window
-  - prefix-sum
+  - slug: sliding-window
+    is_optimal: true
+  - slug: prefix-sum
+    is_optimal: false

 function_signature: "def num_subarrays_with_sum(nums: list[int], goal: int) -> int:"