Final Round: Operation

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

Compact solutions

Solved in...

Python (12 sets)
Java (11 sets)
C++ (4 sets)

Submission Origin

Russia (8 contestants)
Belarus (1 contestant)
Canada (1 contestant)
China (1 contestant)
Germany (1 contestant)
Japan (1 contestant)
Sweden (1 contestant)
United States (1 contestant)