CS50 Handbook

David J. Malan
malan@harvard.edu
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CS50 and CSCI E-50 Fall 2024
CSCI E-1b Fall 2024
CSCI E-5a Fall 2024
CSCI E-23a Fall 2024
CSCI E-33a Fall 2024
CSCI E-80 Fall 2024
CSCI E-151 Fall 2024
CSCI E-159 Fall 2024
CS50 for Teachers 2023–2024

CS50 AP 2024–2025
CS50x 2024

Status Page

Communities
Bluesky
Clubhouse
Discord Q&A
Ed Q&A
Facebook Group Q&A
Facebook Page
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Reddit Q&A
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Courses
CS50x
CS50 AI
CS50 Business
CS50 Cybersecurity
CS50 for Lawyers
CS50 Python
CS50 R
CS50 Scratch
CS50 SQL
CS50 Web

Problem Set 3 Grading Guidelines

Plurality
- Guidelines
- Staff Solutions
Runoff
- Guidelines
- Staff Solutions
Tideman
- Guidelines
- Staff Solutions