| Status | Title | Video | Leetcode | Solve | Difficulty | Companies | Topics |
|---|---|---|---|---|---|---|---|
| 124. Binary Tree Maximum Path Sum | Solve | Hard | Adobe+14 | ||||
| 272. Closest Binary Search Tree Value II | Solve | Hard | Google+1 | ||||
| 297. Serialize and Deserialize Binary Tree | Solve | Hard | Amazon+8 | ||||
| 431. Encode N-ary Tree to Binary Tree | Solve | Hard | - | ||||
| 968. Binary Tree Cameras | Solve | Hard | Amazon+7 | ||||
| 987. Vertical Order Traversal of a Binary Tree | Solve | Hard | Amazon+4 | ||||
| 1028. Recover a Tree From Preorder Traversal | Solve | Hard | Amazon+2 | ||||
| 1373. Maximum Sum BST in Binary Tree | Solve | Hard | Amazon | ||||
| 1569. Number of Ways to Reorder Array to Get Same BST | Solve | Hard | Google | ||||
| 1597. Build Binary Expression Tree From Infix Expression | Solve | Hard | Amazon+1 | ||||
| 1932. Merge BSTs to Create Single BST | Solve | Hard | - | ||||
| 2005. Subtree Removal Game with Fibonacci Tree | Solve | Hard | Sony | ||||
| 2313. Minimum Flips in Binary Tree to Get Result | Solve | Hard | Google | ||||
| 2458. Height of Binary Tree After Subtree Removal Queries | Solve | Hard | Google | ||||
| 2509. Cycle Length Queries in a Tree | Solve | Hard | Arcesium | ||||
| 2792. Count Nodes That Are Great Enough | Solve | Hard | - |