Trees & Graphs

Traverse trees, explore graphs, and solve connectivity problems

3 chapters 11 lessons 121 min total

Binary Trees

4 lessons · 40 min
FREE
Introduction to Trees
Understanding tree terminology and properties
8 min FREE
Binary Tree Traversals
Inorder, preorder, postorder, and level-order
12 min FREE
Binary Search Trees
Insert, search, delete operations
12 min
Tree Height and Depth
Calculating dimensions of a tree
8 min

Graph Fundamentals

4 lessons · 44 min
5 credits
Graph Representation
Adjacency list vs adjacency matrix
10 min FREE
BFS - Breadth First Search
Level-by-level exploration
12 min
DFS - Depth First Search
Recursive and iterative approaches
12 min
Connected Components
Finding groups in undirected graphs
10 min

Advanced Graph Algorithms

3 lessons · 37 min
5 credits
Shortest Path - Dijkstra
Single source shortest path
15 min
Topological Sort
Ordering directed acyclic graphs
12 min
Cycle Detection
Finding cycles in directed and undirected graphs
10 min