Course Notes, Practice Problems, and Solutions

Week 8:   Hashing and Polymorphism under the hood
      Polymorphism under the hood
      Hashing and Hash Tables
      Perfect Hash Table for compiler keywords
      Another hash table example of 502 grades

Supplementary material
      Video (HackerRank - Gayle Laakmann McDowell):   Hash table basics (open hashing)

Practice Problems
      Hashing problems     .................. solution