Round 1A: Pseudominion

105 correct small sets and 3 correct large sets. View problem statement or contest analysis.

Languages

C++ (66 sets)
Java (17 sets)
Python (11 sets)

C# (7 sets)
Perl (3 sets)
C (1 set)

Clojure (1 set)
Haskell (1 set)
Ruby (1 set)

United States (19 contestants)
China (13 contestants)
Russia (13 contestants)
Japan (9 contestants)
Australia (4 contestants)
Brazil (4 contestants)
Canada (4 contestants)
Hungary (3 contestants)
Israel (3 contestants)
Poland (3 contestants)

Ukraine (3 contestants)
France (2 contestants)
Netherlands (2 contestants)
New Zealand (2 contestants)
Romania (2 contestants)
South Korea (2 contestants)
Taiwan (2 contestants)
United Kingdom (2 contestants)
Vietnam (2 contestants)
Bangladesh (1 contestant)

Belarus (1 contestant)
Germany (1 contestant)
Ghana (1 contestant)
Hong Kong (1 contestant)
Kazakhstan (1 contestant)
Lebanon (1 contestant)
Malaysia (1 contestant)
Singapore (1 contestant)
South Africa (1 contestant)
Sweden (1 contestant)