| 95. Unique Binary Search Trees II | | | Solve | Medium | | |
| 96. Unique Binary Search Trees | | | Solve | Medium | | |
| 98. Validate Binary Search Tree | | | Solve | Medium | | |
| 99. Recover Binary Search Tree | | | Solve | Medium | | |
| 109. Convert Sorted List to Binary Search Tree | | | Solve | Medium | | |
| 173. Binary Search Tree Iterator | | | Solve | Medium | | |
| 230. Kth Smallest Element in a BST | | | Solve | Medium | | |
| 235. Lowest Common Ancestor of a Binary Search Tree | | | Solve | Medium | | |
| 255. Verify Preorder Sequence in Binary Search Tree | | | Solve | Medium | | |
| 285. Inorder Successor in BST | | | Solve | Medium | | |
| 333. Largest BST Subtree | | | Solve | Medium | | |
| 426. Convert Binary Search Tree to Sorted Doubly Linked List | | | Solve | Medium | | |
| 449. Serialize and Deserialize BST | | | Solve | Medium | | |
| 450. Delete Node in a BST | | | Solve | Medium | | |
| 510. Inorder Successor in BST II | | | Solve | Medium | | |
| 538. Convert BST to Greater Tree | | | Solve | Medium | | |
| 669. Trim a Binary Search Tree | | | Solve | Medium | | |
| 701. Insert into a Binary Search Tree | | | Solve | Medium | | |
| 776. Split BST | | | Solve | Medium | | |
| 1008. Construct Binary Search Tree from Preorder Traversal | | | Solve | Medium | | |
| 1038. Binary Search Tree to Greater Sum Tree | | | Solve | Medium | | |
| 1214. Two Sum BSTs | | | Solve | Medium | | |
| 1305. All Elements in Two Binary Search Trees | | | Solve | Medium | | |
| 1382. Balance a Binary Search Tree | | | Solve | Medium | | |
| 1586. Binary Search Tree Iterator II | | | Solve | Medium | | |
| 1902. Depth of BST Given Insertion Order | | | Solve | Medium | - | |
| 2476. Closest Nodes Queries in a Binary Search Tree | | | Solve | Medium | | |
