CS50 Handbook

David J. Malan
malan@harvard.edu
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CS50 Spring 2024
CSCI E-1b Spring 2024
CSCI E-23a Spring 2024
CSCI E-33a Spring 2024
CSCI E-50 Spring 2024
CSCI E-80 Spring 2024
CSCI E-151 Spring 2024
CSCI E-159 Spring 2024
CS50 for Teachers 2023–2024

CS50 AP 2023–2024
CS50x 2023

Status Page

Communities
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Discord Q&A
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Courses
CS50x
CS50 AI
CS50 Business
CS50 Cybersecurity
CS50 for Lawyers
CS50 Games
CS50 Python
CS50 R
CS50 Scratch
CS50 SQL
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CS50 Web

Problem Set 2 Grading Guidelines

Readability
- Guidelines
- Staff Solutions
Caesar
- Guidelines
- Staff Solutions
Substitution
- Guidelines
- Staff Solutions