feat(content): hidden test cases

backend/data/questions/maximum-sum-circular-subarray.yaml

@@ -9,6 +9,28 @@ categories:
 patterns:
   - dynamic-programming
 
+function_signature: "def max_subarray_sum_circular(nums: list[int]) -> int:"
+
+test_cases:
+  visible:
+    - input: { nums: [1, -2, 3, -2] }
+      expected: 3
+    - input: { nums: [5, -3, 5] }
+      expected: 10
+    - input: { nums: [-3, -2, -3] }
+      expected: -2
+  hidden:
+    - input: { nums: [1] }
+      expected: 1
+    - input: { nums: [-1] }
+      expected: -1
+    - input: { nums: [3, -1, 2, -1] }
+      expected: 4
+    - input: { nums: [3, -2, 2, -3] }
+      expected: 3
+    - input: { nums: [1, 2, 3, 4, 5] }
+      expected: 15
+
 description: |
   Given a **circular integer array** `nums` of length `n`, return *the maximum possible sum of a non-empty **subarray** of* `nums`.