In a preorder traversal, the root node is visited first, followed by the left subtree and then the right subtree. In an inorder traversal, the left subtree is visited first, followed by the root node ...

Reconstruct and return the binary tree. 🧩 Key Concepts Inorder Traversal: Left Root Right Postorder Traversal: Left Right Root (but reversed in implementation for simplification) Tree Reconstruction: ...

The tree (hierarchical) structure is one of the elementary memory arrangements, used by numerous data structures – ranging from simple to relatively sophisticated ones. The most well-known tree ...