EMEA Semifinal: Rainbow Trees

71 correct small sets and 68 correct large sets. View problem statement or contest analysis.

Languages

C++ (103 sets)
Java (28 sets)

C# (4 sets)
Python (4 sets)

Russia (27 contestants)
Poland (12 contestants)
Ukraine (11 contestants)
Belarus (5 contestants)
Germany (3 contestants)

Netherlands (3 contestants)
Sweden (2 contestants)
Bulgaria (1 contestant)
Italy (1 contestant)
Portugal (1 contestant)

Romania (1 contestant)
Slovakia (1 contestant)
Spain (1 contestant)
Switzerland (1 contestant)
United Kingdom (1 contestant)