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Product Companies SDE-1 Sheet
Trees & BST
11 problems
problem
Topic Progress0 / 11 solved
Problem List
Work through the problems in sequence to build topic mastery.
| Problem | Difficulty | Status | Optional | Action |
|---|---|---|---|---|
| Invert Binary Tree | Medium | Unsolved | Required | |
| Maximum Depth Of Binary Tree | Medium | Unsolved | Required | |
| Balanced Binary Tree | Medium | Unsolved | Required | |
| Diameter Of Binary Tree | Medium | Unsolved | Required | |
| Same Tree | Medium | Unsolved | Required | |
| Binary Tree Level Order Traversal | Medium | Unsolved | Required | |
| Binary Tree Right Side View | Medium | Unsolved | Required | |
| Validate Binary Search Tree | Medium | Unsolved | Required | |
| Kth Smallest Element in a BST | Medium | Unsolved | Required | |
| Lowest Common Ancestor of a Binary Search Tree | Medium | Unsolved | Required | |
| Lowest Common Ancestor of a Binary Tree | Medium | Unsolved | Required |
Topic Snapshot
A compact summary of what this sheet section covers and how far you have progressed.
Trees & BST
Move from basic traversal to BST invariants, level order views, and lowest-common-ancestor reasoning.
sde-1
product-companies
Completion
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Problems Remaining
11
Optional Problems
0
Complete the required items first, then use optional problems for extra depth.