feat(content): function signatures + test cases

backend/data/questions/bitwise-ors-of-subarrays.yaml

@@ -10,6 +10,30 @@ categories:
 patterns:
   - dynamic-programming
 
+function_signature: "def subarray_bitwise_ors(arr: list[int]) -> int:"
+
+test_cases:
+  visible:
+    - input: { arr: [0] }
+      expected: 1
+    - input: { arr: [1, 1, 2] }
+      expected: 3
+    - input: { arr: [1, 2, 4] }
+      expected: 6
+  hidden:
+    - input: { arr: [1] }
+      expected: 1
+    - input: { arr: [0, 0, 0] }
+      expected: 1
+    - input: { arr: [1, 2, 3, 4, 5] }
+      expected: 7
+    - input: { arr: [7, 7, 7] }
+      expected: 1
+    - input: { arr: [1, 3, 5, 7] }
+      expected: 4
+    - input: { arr: [8, 4, 2, 1] }
+      expected: 10
+
 description: |
   Given an integer array `arr`, return *the number of distinct bitwise ORs of all the non-empty subarrays of* `arr`.