This is CS50x 2022, an older version of the course. See cs50.harvard.edu/x for the latest!

This is CS50x

CS50’s Introduction to Computer Science

OpenCourseWare

David J. Malan
malan@harvard.edu
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CS50 Educator Workshop
Gallery of Final Projects
What’s new for 2022?

Week 0 Scratch
Week 1 C
Week 2 Arrays
Week 3 Algorithms
Week 4 Memory
Week 5 Data Structures
Week 6 Python
Week 7 SQL
Week 8 HTML, CSS, JavaScript
Week 9 Flask
Week 10 Emoji

Cybersecurity

Seminars
Final Project

Academic Honesty
CS50 Certificate
FAQs
Gradebook
Staff
Syllabus

Ed Discussion for Q&A
Quick Start Guide

Apple TV
edX
Harvard Extension School
Harvard Summer School
YouTube HDR
YouTube SDR

Manual Pages
Style Guide
Visual Studio Code

Status Page

Communities
Clubhouse
Discord Q&A
Ed Q&A
Facebook Group Q&A
Facebook Page
GitHub
Gitter Q&A
Instagram
LinkedIn Group
LinkedIn Page
Medium
Quora
Reddit Q&A
Slack Q&A
Snapchat
SoundCloud
Stack Exchange Q&A
TikTok
Twitter
YouTube

Weeks

Scratch
C
Arrays
Algorithms
Memory
Data Structures
Python
SQL
HTML, CSS, JavaScript
Flask
Emoji

Cybersecurity