Round 3: Mystery Square

317 correct small sets and 1 correct large sets. View problem statement or contest analysis.

Languages

C++ (244 sets)
Java (45 sets)
C# (9 sets)

Python (7 sets)
Pascal (5 sets)
C (4 sets)

Haskell (2 sets)
D (1 set)
OCaml (1 set)

China (72 contestants)
Russia (65 contestants)
Ukraine (20 contestants)
Japan (18 contestants)
Poland (18 contestants)
United States (17 contestants)
Taiwan (10 contestants)
Belarus (8 contestants)
Slovakia (8 contestants)
Vietnam (7 contestants)
South Korea (6 contestants)
Hong Kong (5 contestants)
Canada (4 contestants)
Argentina (3 contestants)
Australia (3 contestants)
Bangladesh (3 contestants)

Brazil (3 contestants)
Croatia (3 contestants)
Georgia (3 contestants)
Hungary (3 contestants)
India (3 contestants)
United Kingdom (3 contestants)
France (2 contestants)
Germany (2 contestants)
Indonesia (2 contestants)
Iran (2 contestants)
Serbia (2 contestants)
South Africa (2 contestants)
Thailand (2 contestants)
Bulgaria (1 contestant)
Czech Republic (1 contestant)
Finland (1 contestant)

Greece (1 contestant)
Kazakhstan (1 contestant)
Kyrgyzstan (1 contestant)
Latvia (1 contestant)
Lithuania (1 contestant)
Malaysia (1 contestant)
Mexico (1 contestant)
Netherlands (1 contestant)
Norway (1 contestant)
Singapore (1 contestant)
Slovenia (1 contestant)
Spain (1 contestant)
Sri Lanka (1 contestant)
Sweden (1 contestant)
Syria (1 contestant)