19 Interactive Games to Master Tree Data Structures
Learn parent, child, leaf, sibling, depth, height
Master Preorder, Inorder, Postorder
Calculate nodes and sum recursively
Height by edges vs nodes
Push/Pop nodes for inorder traversal
Build tree from Preorder + Inorder
BFS with queue operations
Tree visibility challenge
Check if tree is valid BST
Navigate and place nodes
Build from sorted array
Handle all deletion cases
Trace path upwards
Find LCA of two nodes
Find nodes at distance K
Connect same-level nodes
Calculate tree diameter
Tree to string and back
Ceiling and Floor keys
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