Problem Set 0

What to Do


Before you begin this week’s problems, you’ll need to take a few preparatory steps. Rest assured that future weeks will have a much faster setup!

  1. Visit this link, log in with your GitHub account, and choose Authorize CS50
  2. Check the box indicating that you’d like to grant course staff access to your submissions, and click Join course.
  3. Log into using your GitHub account
  4. Run update50 in your codespace’s terminal window to ensure your codespace is up-to-date and, when prompted, click Rebuild now


  1. Submit Cyberchase
  2. Submit one of:
  3. Submit Players

If you submit both 36 Views and Normals, we’ll record the higher of your two scores.

When to Do It

By 2024-12-31T23:59:00-05:00.


  • Try out any of Carter’s SQL queries from lecture via Week 0’s source code.
  • Look at the Week 0 lecture notes for a handy reference on this week’s content.
  • Head to for a guide to all things SQL syntax!