Problem Set 4

What to Do

  1. Log into cs50.dev 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 Volume
  4. Submit one of:
  5. Submit Recover

If you submit both versions of Filter, we’ll record the higher of your two scores.

When to Do It

By 2026-10-06T23:59:00-04:00.

How to Get Help

Advice

  • 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, look just below it: help50 will offer a hint in yellow if it recognizes the error, or a help50 button atop your terminal window that you can click to ask the duck about it.