That escalated quickly!
5000 XP
Solve 30 problems within a sprint.
30/30
Rare
Recently completed by
MalikKarimov 2k, 
Tschej 3k, 
minkahoshi 3k,
and 32 others.
MalikKarimov 2k, Tschej 3k, minkahoshi 3k, 