6.006 Introduction to Algorithms (Spring 2020, MIT OCW). Instructors: Prof. Erik Demaine, Dr. Jason Ku, and Prof. Justin Solomon. This course is an introduction to mathematical modeling of computational problems, as well as common algorithms, algorithmic paradigms, and data structures used to solve these problems. It emphasizes the relationship between algorithms and programming and introduces basic performance measures and analysis techniques for these problems.
(from ocw.mit.edu)
Problem Session 03 - Drawing Pictures of Hash Tables and Reductions from Set to Sequence
Instructor: Prof. Erik Demaine. Five examples of worked problems are given. Topics include drawing pictures of hash tables and reductions from set (hashing bounds) to sequence.