Final: Can't Stop

20 correct small sets and 12 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (20 sets)
Java (10 sets)
C (2 sets)

Submission Origin

Russia (7 contestants)
Ukraine (3 contestants)
Poland (2 contestants)
United States (2 contestants)
Belarus (1 contestant)
Canada (1 contestant)
Croatia (1 contestant)
Georgia (1 contestant)
Hong Kong (1 contestant)
Netherlands (1 contestant)