CS50

@cs50 • 152,115 subscribers

From the team that brought you CS50 at Harvard, this is the Fifty Foundation. Theatrical courses in computer science and math. For free, for all. 🎭

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What lets C, Rust, and other languages achieve higher speeds than Python? @CS50’s own Brian Yu explains.

What lets C, Rust, and other languages achieve higher speeds than Python? @CS50’s own Brian Yu explains.

25,028 Aufrufe • vor 1 Monat

Harvard Computer Science course is available to everyone online — search for CS50 on YouTube or sign up for free at

Harvard Computer Science course is available to everyone online — search for CS50 on YouTube or sign up for free at

483,447 Aufrufe • vor 3 Jahren

Ever wondered what P and NP problems are? CS50’s own Brian Yu is here to explain.

Ever wondered what P and NP problems are? CS50’s own Brian Yu is here to explain.

20,100 Aufrufe • vor 1 Monat

Is learning to code still important? @CS50’s own Colton Ogden weighs in.

Is learning to code still important? @CS50’s own Colton Ogden weighs in.

18,269 Aufrufe • vor 1 Monat

Learn a tip by @CS50’s own Carter Zenke on making sure your foundational skills are covered even when AI can do all the work for you.

Learn a tip by @CS50’s own Carter Zenke on making sure your foundational skills are covered even when AI can do all the work for you.

11,149 Aufrufe • vor 1 Monat

On January 1, 2026, we’re launching the new-and-improved version of CS50x on and @CS50’s YouTube. A little sneak peek below!

On January 1, 2026, we’re launching the new-and-improved version of CS50x on and @CS50’s YouTube. A little sneak peek below!

23,242 Aufrufe • vor 8 Monaten

This is CS50x 2026 with David J. Malan, CS50's (free) introduction to the intellectual enterprises of computer science and the art of programming, now with artificial intelligence (AI). 🦆 Full season available on edX on January 1, 2026. Register at #education #community #stranger #things

This is CS50x 2026 with David J. Malan, CS50's (free) introduction to the intellectual enterprises of computer science and the art of programming, now with artificial intelligence (AI). 🦆 Full season available on edX on January 1, 2026. Register at #education #community #stranger #things

13,912 Aufrufe • vor 8 Monaten

Happy holidays from Professor David J. Malan and CS50’s whole team here in Cambridge. 🎁 Stay tuned for release of CS50x 2026 on January 1, 2026.

Happy holidays from Professor David J. Malan and CS50’s whole team here in Cambridge. 🎁 Stay tuned for release of CS50x 2026 on January 1, 2026.

10,815 Aufrufe • vor 8 Monaten

From @CS50’s entire team, happy holidays! 🎄We'll be back in 2025 with a new-and-improved CS50x, new opportunities to engage, updates to past courses, and some brand-new ones as well. There will also be a few surprises along the way! 🤫

18,908 Aufrufe • vor 1 Jahr

From Harvard University University in Cambridge, Massachusetts, this is CS50x 2025. Available on January 1, 2025, on YouTube, edX, Apple TV, Google TV, and beyond. Open to anyone online; no prior programming experience required. Enroll for free at And meet CS50’s #AI-powered duck of whom you can ask questions along the way, thanks to GitHub, OpenAI, and Microsoft! 🦆

From Harvard University University in Cambridge, Massachusetts, this is CS50x 2025. Available on January 1, 2025, on YouTube, edX, Apple TV, Google TV, and beyond. Open to anyone online; no prior programming experience required. Enroll for free at And meet CS50’s #AI-powered duck of whom you can ask questions along the way, thanks to GitHub, OpenAI, and Microsoft! 🦆

13,181 Aufrufe • vor 1 Jahr

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