Solve 1000 problems from the problem archive.
Solve 500 problems from the problem archive.
Solve 200 problems from the problem archive.
Solve 100 problems from the problem archive.
Solve a problem of level "Medium" or above using C++.
Solve a problem of level "Medium" or above using Java.
Solve a problem of level "Medium" or above using Python.
Solve any problem on the site.
Solve a problem of level "Medium" or above using Pascal.