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Harvard University's CS50 is one of the most popular beginner computer science courses in the world. We just released the entire 25-hour CS50 course on the freeCodeCamp.org YouTube channel. This is the most recent version updated for 2026, with an al...

CS50 Week 4 was one of the most challenging weeks so far — not just technically, but personally as well. This was the week where concepts like memory management, pointers, file handling, and low-level data representation all came together, and it dem...

Week 2 felt like the moment CS50 truly shifted gears.After learning the basics of C in Week 1 — variables, loops, conditions, and simple logic — this week pushed me deeper into how computers handle data internally. Arrays, functions, scope, debugging...

After completing Week 0 with Scratch, Week 1 was like entering a more authentic programming experience the world of C. This week, I began learning how to “talk” to the computer through text-based coding instead of visual blocks. It was exciting, chal...

When I started thinking about what to make for my CS50x final project, I had one clear idea in my head: “I’m gonna build a game.” I’ve always loved the feeling that games give you — challenge, progress, reward — that subtle loop that keeps you hook...

Back in July 2025, I wrapped up my CS50’s “Programming with Python” final project — and instead of doing yet another to-do app or calculator, I decided to build something that actually solved one of my daily problems: I love staying updated with the...
