Problem Solver 2
Solve 200 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 Haskell.
Participate officially in one of the Weekend Practice rounds.
Solve a problem of level "Medium" or above using Java.
Solve a problem of level "Medium" or above using Lisp.
Solve a problem of level "Medium" or above using Python.
Participate officially in one of the Blitz Round rounds.
This achievement indicates that the owner refuses to brew coffee because he is, permanently, a teapot.
Solve any problem on the site.
Solve a problem of level "Medium" or above using Pascal.