Round 1C: Box Factory

1064 correct small sets and 308 correct large sets. View problem statement or contest analysis.

Languages

C++ (926 sets)
Java (189 sets)
Python (126 sets)
C# (41 sets)
C (23 sets)
Haskell (14 sets)
Pascal (8 sets)

Ruby (8 sets)
Scala (7 sets)
Lisp (6 sets)
OCaml (6 sets)
F# (5 sets)
Clojure (3 sets)
Groovy (2 sets)

PHP (2 sets)
Scheme (2 sets)
Go (1 set)
Javascript (1 set)
Perl (1 set)

China (245 contestants)
Japan (78 contestants)
Russia (76 contestants)
India (58 contestants)
United States (56 contestants)
Ukraine (51 contestants)
Poland (33 contestants)
Taiwan (31 contestants)
France (28 contestants)
Egypt (21 contestants)
Australia (19 contestants)
Belarus (18 contestants)
Vietnam (18 contestants)
South Korea (17 contestants)
Bangladesh (16 contestants)
Germany (16 contestants)
Indonesia (16 contestants)
Hong Kong (15 contestants)
Thailand (14 contestants)
Netherlands (13 contestants)
Singapore (13 contestants)
Brazil (12 contestants)
Romania (11 contestants)
Sweden (11 contestants)
Slovakia (10 contestants)

Canada (9 contestants)
Israel (9 contestants)
Spain (9 contestants)
Switzerland (9 contestants)
Czech Republic (8 contestants)
Hungary (8 contestants)
Italy (8 contestants)
Colombia (7 contestants)
Croatia (7 contestants)
Greece (6 contestants)
United Kingdom (6 contestants)
Belgium (5 contestants)
Iran (5 contestants)
Argentina (4 contestants)
Bulgaria (4 contestants)
Peru (4 contestants)
South Africa (4 contestants)
Turkey (4 contestants)
... (3 contestants)
Armenia (3 contestants)
Austria (3 contestants)
Kazakhstan (3 contestants)
Lithuania (3 contestants)
Norway (3 contestants)
Pakistan (3 contestants)

Portugal (3 contestants)
Chile (2 contestants)
Denmark (2 contestants)
Mexico (2 contestants)
Morocco (2 contestants)
New Zealand (2 contestants)
Venezuela (2 contestants)
Algeria (1 contestant)
Andorra (1 contestant)
Bolivia (1 contestant)
Costa Rica (1 contestant)
Estonia (1 contestant)
Finland (1 contestant)
Georgia (1 contestant)
Iceland (1 contestant)
Kyrgyzstan (1 contestant)
Lebanon (1 contestant)
Palestinian Territory (1 contestant)
Saint Kitts and Nevis (1 contestant)
Serbia (1 contestant)
Tunisia (1 contestant)
United Arab Emirates (1 contestant)
Uruguay (1 contestant)