Lecture 3

Guest Lecture by Frej Knutar Lewander

Today’s topic: Graphs revision

• Revision on Digraphs/Digraphs: Slides 1-24 Although some of this will be revision, you should pay attention to how the graph representation effects the time complexity.

• Some hints and Tips on using Python for your assignments

Slides

• Slides 1-24, 33-43 of Graphs.pdf
• Slides on Data Structures in Python

Reading Guide

• Chapter 22, except 22.4 of CLRS3 or Chapter 20, 20.1-20.3 of CLRS4.
• Chapter 24 Pages 643-650 and Section 24.3 of CLRS3 or chapter 22 (22.1, 22.2 22.3) of CLRS4.

What should I know by the end of this lecture?

• What did I forget from my previous courses?
  • What is a graph? What is a digraph?
  • What is a good API for graphs?
  • How can they be represented?
  • Depth-first and breadth-first search.