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Trees

Height and Depth:

Types of Tree

  1. Binary Tree
  2. Binary Search Tree
  3. AVL Tree
  4. B-Tree
  5. Red Black Tree

Patterns of questions: (leetcode list)

1. Ancestor problems

2. Root to leaf path problems

3. Serialize and deserialize

4. Leaves related problem

5. Level order traversal

6. Node deletion

7. Tree construction

8. Distance between two Nodes

9. Inorder traversal

10. Flipping

11. Check binary tree

12. Tree relations

13. Counting of nodes

14. Recovery

15. Kth smallest

16. Trimming or pruning

17. Searching

18. Difference problem in BT

19. Tree checking

20. Depth problems