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)
Lecture 04 - Hashing
Instructor: Dr. Jason Ku. Hashing allows for faster search and dynamic operations on data structures, arrays, and sorted arrays. This lecture discusses comparison models, decision trees, and hash functions.