# Typical problems and solutions

- [Max width of binary tree](/tree/typical-problems-and-solutions/max-width-of-binary-tree.md)
- [Binary Tree & BST Serialize & Deserialize](/tree/typical-problems-and-solutions/binary-tree-and-bst-serialize-and-deserialize.md): Binary
- [Lowest common ancestor (LCA) for Binary Tree and BST](/tree/typical-problems-and-solutions/lowest-common-ancestor-lca-for-binary-tree-and-bst.md)
- [Subproblem-based Approach for Resolving Max Value on Trees](/tree/typical-problems-and-solutions/subproblem-based-approach-for-resolving-max-value-on-trees.md)
- [Path sum III](/tree/typical-problems-and-solutions/path-sum-iii.md)