Stacks & Queues: Key Data Structures 📚

Learn the difference between linear data structures stacks and queues. This video is a part of HackerRank's Cracking The Coding Interview Tutorial with Gayle Laakmann McDowell.
http://www.hackerrank.com/domains/tutorials/cracking-the-coding-interview?utm_source=video&utm_medium=youtube&utm_campaign=ctci