Lesson 11 of 12

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Trees

Master hierarchical data structures with trees. Learn binary trees, binary search trees, tree traversal algorithms, and the structures that optimize searching and sorting.

Overview

In this lesson, you'll master tree data structures, the hierarchical foundations that enable efficient searching, sorting, and organization. We'll implement binary trees, binary search trees, and explore tree traversal algorithms while understanding how trees achieve logarithmic performance.

Trees represent one of computer science's most elegant solutions to the search problem. From file systems to database indexes, trees provide the hierarchical organization that makes finding information fast and intuitive.

Key concepts you'll master:

  • Understanding tree terminology and hierarchical relationships
  • Implementing binary trees and binary search trees
  • Mastering tree traversal algorithms (inorder, preorder, postorder)
  • Analyzing tree performance and balancing considerations
  • Exploring real-world applications from file systems to decision trees

Next: Graphs →