Solve 100 problems from the problem archive.
Solve a problem of level "Medium" or above using C++.
Participate officially in one of the Eolymp Cup rounds.
Participate officially in one of the Weekend Practice rounds.
Finish one of the Weekend Practice rounds in the Top 10.
Solve any problem on the site.
Solve a problem of level "Medium" or above using Pascal.
Solve all problems in one of the Weekend Practice rounds.