feat(content): more test cases

backend/data/questions/course-schedule-ii.yaml

@@ -9,6 +9,28 @@ patterns:
   - bfs
   - dfs
 
+function_signature: "def find_order(num_courses: int, prerequisites: list[list[int]]) -> list[int]:"
+
+test_cases:
+  visible:
+    - input: { num_courses: 2, prerequisites: [[1, 0]] }
+      expected: [0, 1]
+    - input: { num_courses: 4, prerequisites: [[1, 0], [2, 0], [3, 1], [3, 2]] }
+      expected: [0, 1, 2, 3]
+    - input: { num_courses: 1, prerequisites: [] }
+      expected: [0]
+  hidden:
+    - input: { num_courses: 2, prerequisites: [[1, 0], [0, 1]] }
+      expected: []
+    - input: { num_courses: 3, prerequisites: [] }
+      expected: [0, 1, 2]
+    - input: { num_courses: 3, prerequisites: [[0, 1], [0, 2], [1, 2]] }
+      expected: [2, 1, 0]
+    - input: { num_courses: 4, prerequisites: [[3, 0], [0, 1]] }
+      expected: [1, 2, 0, 3]
+    - input: { num_courses: 2, prerequisites: [] }
+      expected: [0, 1]
+
 description: |
   There are a total of `numCourses` courses you have to take, labelled from `0` to `numCourses - 1`. You are given an array `prerequisites` where `prerequisites[i] = [a_i, b_i]` indicates that you **must** take course `b_i` first if you want to take course `a_i`.