feat(content): more test cases

backend/data/questions/coin-change-ii.yaml

@@ -9,6 +9,30 @@ categories:
 patterns:
   - dynamic-programming
 
+function_signature: "def change(amount: int, coins: list[int]) -> int:"
+
+test_cases:
+  visible:
+    - input: { amount: 5, coins: [1, 2, 5] }
+      expected: 4
+    - input: { amount: 3, coins: [2] }
+      expected: 0
+    - input: { amount: 10, coins: [10] }
+      expected: 1
+  hidden:
+    - input: { amount: 0, coins: [1, 2, 5] }
+      expected: 1
+    - input: { amount: 1, coins: [1] }
+      expected: 1
+    - input: { amount: 100, coins: [1, 5, 10, 25] }
+      expected: 242
+    - input: { amount: 7, coins: [2, 3, 5] }
+      expected: 2
+    - input: { amount: 500, coins: [1, 2, 5] }
+      expected: 12701
+    - input: { amount: 4, coins: [1, 2, 3] }
+      expected: 4
+
 description: |
   You are given an integer array `coins` representing coins of different denominations and an integer `amount` representing a total amount of money.