Racket 7.8 is recommended for all scripts to work as intended
In DrRacket, in File|Package manager|Source, enter `quickscript-competition-2020`. (you may need to click 'update package list')
Or, on the command line, type: `raco pkg install quickscript-competition-2020`.
If DrRacket is already running, click on Scripts|Manage scripts|Reload menu.
package:
https://pkgs.racket-lang.org/package/quickscript-competition-2020