Learn the basics of computer science from Harvard University. This is CS50, an introduction to the intellectual enterprises of computer science and the art of programming. The course is taught live every year and this is the 2026 version.

💻 Slides, source code, and more at https://cs50.harvard.edu/x. 

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⭐️ Course Contents ⭐️
- 00:00:00 Lecture 0 - Scratch
- 01:57:40 Lecture 1 - C
- 04:27:58 Lecture 2 - Arrays
- 06:53:32 Lecture 3 - Algorithms
- 08:53:07 Lecture 4 - Memory
- 11:13:02 Lecture 5 - Data Structures
- 13:19:15 Lecture 6 - Python
- 15:48:46 Lecture 7 - SQL
- 18:04:19 Artificial Intelligence
- 18:52:07 Lecture 8 - HTML, CSS, JavaScript
- 21:14:19 Lecture 9 - Flask
- 23:40:54 Lecture 10 - The End

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HOW TO JOIN CS50 COMMUNITIES

Discord: https://discord.gg/cs50
Ed: https://cs50.harvard.edu/x/ed
Facebook Group: https://www.facebook.com/groups/cs50/
Faceboook Page: https://www.facebook.com/cs50/
GitHub: https://github.com/cs50
Gitter: https://gitter.im/cs50/x
Instagram: https://instagram.com/cs50
LinkedIn Group: https://www.linkedin.com/groups/7437240/
LinkedIn Page: https://www.linkedin.com/school/cs50/
Medium: https://cs50.medium.com/
Quora: https://www.quora.com/topic/CS50
Reddit: https://www.reddit.com/r/cs50/
Slack: https://cs50.edx.org/slack
Snapchat: https://www.snapchat.com/add/cs50
SoundCloud: https://soundcloud.com/cs50
Stack Exchange: https://cs50.stackexchange.com/
TikTok: https://www.tiktok.com/@cs50
Twitter: https://twitter.com/cs50
YouTube: https://www.youtube.com/cs50

HOW TO FOLLOW DAVID J. MALAN

Facebook: https://www.facebook.com/dmalan
GitHub: https://github.com/dmalan
Instagram: https://www.instagram.com/davidjmalan/
LinkedIn: https://www.linkedin.com/in/malan/
TikTok: https://www.tiktok.com/@davidjmalan
Twitter: https://twitter.com/davidjmalan

LICENSE

CC BY-NC-SA 4.0
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International Public License
https://creativecommons.org/licenses/by-nc-sa/4.0/

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Harvard CS50 (2026) – Full Computer Science University Course