CS50x 2026 - Lecture 5 - Data Structures

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*** This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. *** TABLE OF CONTENTS 00:00:00 - Introduction 00:00:43 – Jack Learns the Facts 00:03:35 – Stacks and Queues 00:10:44 – Dictionaries 00:12:26 – Resizing Arrays 00:27:16 – realloc 00:33:43 – Linked Lists 01:20:24 – Trees 01:36:12 – Hashing and Hash Tables 01:56:09 – Tries *** HOW TO SUBSCRIBE HOW TO TAKE CS50 edX: Harvard Extension School: Harvard Summer School: OpenCourseWare: HOW TO JOIN CS50 COMMUNITIES Bluesky: Discord: Ed: Facebook Group: Faceboook Page: GitHub: Gitter: Instagram: LinkedIn Group: LinkedIn Page: Medium: Quora: Reddit: Slack: Snapchat: SoundCloud: Stack Exchange: Telegram: Threads: TikTok: Twitter: Twitter Community: YouTube: HOW TO FOLLOW DAVID J. MALAN Facebook: GitHub: Instagram: LinkedIn: Quora: Threads: TikTok: Twitter: *** CS50 SHOP *** LICENSE CC BY-NC-SA 4.0 Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License David J. Malan [email protected]