| # | Problem Title | Actions | Difficulty |
|---|---|---|---|
| 1 | Count possible paths (Top-left to bottom-right in N×M matrix) | Read ArticleSolve Problem | Medium |
| 2 | Zigzag Traversal | Read ArticleSolve Problem | Medium |
| 3 | Finding a number in rotated binary tree | Read ArticleSolve Problem | Medium |