In the pset5 instructions it says to create a zip file containing the entire pset5 directory
When ready to submit, log into CS50 IDE.
2.In a terminal window, execute the below.
cd ~/workspace/pset5 zip -r pset5.zip *.c *.h questions.txt Makefile
3.Toward CS50 IDE’s top-left corner, within its "file browser" (not within a terminal window), control-click or right-click pset5.zip,
which you just created with that latter command, and then select
Download. You should find that your browser has downloaded pset5.zip.
4.In a separate tab or window, log into CS50 Submit, logging in if prompted.
5.Click Submit toward the window’s top-left corner.
6.Under Problem Set 5 on the screen that appears, click Upload New Submission.
7.On the screen that appears, click Add files…. A window entitled Open Files should appear.
8.Navigate your way to pset5.zip. Odds are it’s in your Downloads folder or wherever your browser downloads files by default. Once you
find pset5.zip, click it once to select it, then click Open (or the
like).
9.Click Start upload to upload all of your files at once to CS50’s servers.