Round 3: Mystery Square

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

Compact solutions

Solved in...

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)

Submission Origin

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)