Problem Set 5

What to Do

  1. Log into using your GitHub account
  2. Run update50 in your codespace’s terminal window to ensure your codespace is up-to-date and, when prompted, click Rebuild now
  3. Submit Speller

When to Do It

By the College Board’s AP deadlines for the 2022–2023 academic year.


  • Try out any of David’s programs from Week 5.
  • If you see any errors when compiling your code with make, focus first on fixing the very first error you see, scrolling up as needed. If unsure what it means, try asking help50 for help. For instance, if trying to compile hello, and

    make speller

    is yielding errors, try running

    help50 make speller