feat(content): more test cases

backend/data/questions/set-matrix-zeroes.yaml

@@ -9,6 +9,22 @@ categories:
 patterns:
   - matrix-traversal
 
+function_signature: "def set_zeroes(matrix: list[list[int]]) -> None:"
+
+test_cases:
+  visible:
+    - input: { matrix: [[1, 1, 1], [1, 0, 1], [1, 1, 1]] }
+      expected: [[1, 0, 1], [0, 0, 0], [1, 0, 1]]
+    - input: { matrix: [[0, 1, 2, 0], [3, 4, 5, 2], [1, 3, 1, 5]] }
+      expected: [[0, 0, 0, 0], [0, 4, 5, 0], [0, 3, 1, 0]]
+  hidden:
+    - input: { matrix: [[1, 2, 3], [4, 5, 6]] }
+      expected: [[1, 2, 3], [4, 5, 6]]
+    - input: { matrix: [[0]] }
+      expected: [[0]]
+    - input: { matrix: [[1, 0, 3]] }
+      expected: [[0, 0, 0]]
+
 description: |
   Given an `m x n` integer matrix `matrix`, if an element is `0`, set its entire row and column to `0`'s.