Skip to content

Navigation Menu

Appearance settings

cs61

GitHub Copilot
Write better code with AI

GitHub Spark New
Build and deploy intelligent apps

GitHub Models New
Manage and compare prompts

GitHub Advanced Security
Find and fix vulnerabilities

Actions
Automate any workflow
Codespaces
Instant dev environments

Issues
Plan and track work

Code Review
Manage code changes

Discussions
Collaborate outside of code

Code Search
Find more, search less
Explore

Why GitHub

Documentation

GitHub Skills

Blog
Integrations

GitHub Marketplace
View all features
By company size

Enterprises

Small and medium teams

Startups

Nonprofits
By use case

DevSecOps

DevOps

CI/CD

View all use cases
By industry

Healthcare

Financial services

Manufacturing

Government

View all industries
View all solutions
Topics

AI

DevOps

Security

Software Development

View all
Explore

Learning Pathways

Events & Webinars

Ebooks & Whitepapers

Customer Stories

Partners

Executive Insights
GitHub Sponsors
Fund open source developers
The ReadME Project
GitHub community articles
Repositories

Topics

Trending

Collections
Enterprise platform
AI-powered developer platform
Available add-ons

GitHub Advanced Security
Enterprise-grade security features

Copilot for business
Enterprise-grade AI features

Premium Support
Enterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

Harvard CS61

67 followers
Cambridge, Massachusetts
https://cs61.seas.harvard.edu/

Overview
Repositories
Projects
Packages
People

More

Overview
Repositories
Projects
Packages
People

Pinned Loading

cs61-lectures cs61-lectures Public

CS61 lecture material

C++ 99 86
cs61-sections cs61-sections Public

CS61 section material

C++ 27 66
cs61-f25-psets cs61-f25-psets Public

CS 61 problem sets for 2025

C++ 4

Repositories

Loading

Type

Select type

All Public Sources Forks Archived Mirrors Templates

Language

Select language

All C C++ Jupyter Notebook Racket

Sort

Select order

Last updated Name Stars

Showing 10 of 22 repositories

cs61-f25-psets Public
CS 61 problem sets for 2025

cs61/cs61-f25-psets’s past year of commit activity

C++ 4 0 0 0 Updated Sep 8, 2025
cs61-sections Public
CS61 section material

cs61/cs61-sections’s past year of commit activity

C++ 27 66 0 0 Updated Sep 8, 2025
cs61-lectures Public
CS61 lecture material

cs61/cs61-lectures’s past year of commit activity

C++ 99 86 0 0 Updated Sep 8, 2025
cs61-f25-psets-shilohliu0810 Public
cs61-f25-psets-shilohliu0810 created by GitHub Classroom

cs61/cs61-f25-psets-shilohliu0810’s past year of commit activity

C++ 1 0 0 0 Updated Sep 7, 2025
cs61-f24-psets Public
CS 61 problem sets for 2024

cs61/cs61-f24-psets’s past year of commit activity

C++ 9 17 0 0 Updated Dec 2, 2024
cs61-f23-psets Public
CS 61 problem sets for 2023

cs61/cs61-f23-psets’s past year of commit activity

C++ 6 8 0 0 Updated Nov 28, 2023
cs61-f22-psets Public
CS 61 problem sets for 2022

cs61/cs61-f22-psets’s past year of commit activity

C++ 10 19 0 0 Updated Dec 2, 2022
cs61-f21-psets Public
CS 61 problem sets for 2021

cs61/cs61-f21-psets’s past year of commit activity

C++ 4 19 0 1 Updated Dec 2, 2021
cs61-f20-psets Public
CS 61 problem sets for 2020

cs61/cs61-f20-psets’s past year of commit activity

C++ 12 14 0 0 Updated Dec 1, 2020
cs61-f20-questions Public template
CS61 Fall 2020 review questions template repository

cs61/cs61-f20-questions’s past year of commit activity

2 7 0 0 Updated Oct 23, 2020

View all repositories

People

Top languages

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Most used topics

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Docs
Contact

You can’t perform that action at this time.