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Startups SDE-1 Sheet
| Problem | Difficulty | Status | Optional | Action |
|---|---|---|---|---|
| Same Tree | Medium | Unsolved | Required | |
| 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 | |
| Binary Tree Level Order Traversal | Medium | Unsolved | Required | |
| Validate Binary Search Tree | Medium | Unsolved | Required | |
| Lowest Common Ancestor of a Binary Tree | Medium | Unsolved | Required | |
| Number Of Islands | Medium | Unsolved | Required | |
| Rotting Oranges | Medium | Unsolved | Required | |
| Clone Graph | Medium | Unsolved | Required | |
| Course Schedule | Medium | Unsolved | Required | |
| Network Delay Time | Medium | Unsolved | Required |
Trees & Graphs
Build confidence on recursive trees, grid traversal, components, and dependency ordering.
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Optional Problems
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