feat(content): function signatures + test cases

backend/data/questions/continuous-subarray-sum.yaml

@@ -10,6 +10,32 @@ categories:
 patterns:
   - prefix-sum
 
+function_signature: "def check_subarray_sum(nums: list[int], k: int) -> bool:"
+
+test_cases:
+  visible:
+    - input: { nums: [23, 2, 4, 6, 7], k: 6 }
+      expected: true
+    - input: { nums: [23, 2, 6, 4, 7], k: 6 }
+      expected: true
+    - input: { nums: [23, 2, 6, 4, 7], k: 13 }
+      expected: false
+  hidden:
+    - input: { nums: [0, 0], k: 1 }
+      expected: true
+    - input: { nums: [1, 0], k: 2 }
+      expected: false
+    - input: { nums: [5, 0, 0, 0], k: 3 }
+      expected: true
+    - input: { nums: [1, 2, 3], k: 5 }
+      expected: true
+    - input: { nums: [1, 2, 12], k: 6 }
+      expected: false
+    - input: { nums: [23, 2, 4, 6, 6], k: 7 }
+      expected: true
+    - input: { nums: [1, 1], k: 1 }
+      expected: true
+
 description: |
   Given an integer array `nums` and an integer `k`, return `true` if `nums` has a **good subarray** or `false` otherwise.