Round 3: River Flow

15 correct small sets and 11 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (14 sets)
Python (6 sets)
D (4 sets)
Java (2 sets)

Submission Origin

Russia (4 contestants)
Japan (2 contestants)
China (1 contestant)
Hungary (1 contestant)
Netherlands (1 contestant)
Philippines (1 contestant)
Poland (1 contestant)
Sweden (1 contestant)
Taiwan (1 contestant)
United Kingdom (1 contestant)
United States (1 contestant)