We introduced Difficulty Rating functionality during 2020 Cody Contest. Our Cody players have provided difficulty rating for most of the problems. Now we are displaying the ratings in the Problems list view.
Matlab Cody provide better scale for testing MATLAB skills, you should provide an easy statement on problems that you include in Cody.
The following statement I barely understand. I am not asking for myself but I want the Cody questions must be basic Mathematics and Science oriented.
There's a group from the 5th Anniversary contest, Cody5:Hard, you can check that out. Apart from that, I will look in for more recent harder problems as per the ratings, and will create a group accordingly.