S7:E7 Data Structures: Trees and Traversal Algorithms
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S7:E7 Data Structures: Trees and Traversal Algorithms
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About this listen
This episode offers an in-depth look into tree data structures within computer science, beginning with the fundamental definition of a tree as a connected, undirected graph with no cycles. It then elaborates on rooted trees and specifically binary trees, detailing their structure with nodes, edges, children, and parents. The material further explains how to build and represent binary search trees, including their implementation using arrays. A significant portion focuses on tree traversal algorithms—pre-order, in-order, and post-order—explaining their distinct visiting sequences and practical applications like Polish Notation for expressions. Finally, the episode touches upon the advantages of balanced binary trees for efficient searching and the complexities involved in deleting nodes from these structures.