Final: Ace in the Hole

8 correct small sets and 0 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (6 sets)
Haskell (1 set)
Java (1 set)

Submission Origin

China (2 contestants)
Belarus (1 contestant)
Japan (1 contestant)
Poland (1 contestant)
Russia (1 contestant)
Slovakia (1 contestant)
United States (1 contestant)