feat(content): hidden test cases

backend/data/questions/stone-game-iii.yaml

@@ -9,6 +9,28 @@ categories:
 patterns:
   - dynamic-programming
 
+function_signature: "def stone_game_iii(stone_value: list[int]) -> str:"
+
+test_cases:
+  visible:
+    - input: { stone_value: [1, 2, 3, 7] }
+      expected: "Bob"
+    - input: { stone_value: [1, 2, 3, -9] }
+      expected: "Alice"
+    - input: { stone_value: [1, 2, 3, 6] }
+      expected: "Tie"
+  hidden:
+    - input: { stone_value: [1] }
+      expected: "Alice"
+    - input: { stone_value: [-1, -2, -3] }
+      expected: "Tie"
+    - input: { stone_value: [1, 2, 3, -1, -2, -3, 7] }
+      expected: "Alice"
+    - input: { stone_value: [-1] }
+      expected: "Bob"
+    - input: { stone_value: [5, -2, -3, 4] }
+      expected: "Alice"
+
 description: |
   Alice and Bob continue their games with piles of stones. There are several stones **arranged in a row**, and each stone has an associated value which is an integer given in the array `stoneValue`.