feat(content): hidden test cases

2025-08-06 23:21:42 +01:00
parent 8544efb5bf
commit e0bf8cda01
134 changed files with 2075 additions and 0 deletions
--- a/backend/data/questions/invert-binary-tree.yaml
+++ b/backend/data/questions/invert-binary-tree.yaml
@@ -28,6 +28,12 @@ test_cases:
      expected: [1, null, 2]
    - input: { root: [1, null, 2] }
      expected: [1, 2]
+    - input: { root: [1, 2, 3, 4, 5, 6, 7] }
+      expected: [1, 3, 2, 7, 6, 5, 4]
+    - input: { root: [5, 3, 8, 1, 4, 7, 9] }
+      expected: [5, 8, 3, 9, 7, 4, 1]
+    - input: { root: [1, 2, 3] }
+      expected: [1, 3, 2]

 description: |
  Given the `root` of a binary tree, invert the tree, and return *its root*.