Round 2: Crazy Rows

1837 correct small sets and 1605 correct large sets. View problem statement or contest analysis.

Languages

C++ (2432 sets)
Java (444 sets)
Python (216 sets)
C# (110 sets)
Pascal (68 sets)
C (66 sets)

Haskell (36 sets)
Ruby (29 sets)
Perl (15 sets)
PHP (8 sets)
OCaml (4 sets)
Lisp (3 sets)

ActionScript (2 sets)
F# (2 sets)
Lua (2 sets)
Scala (2 sets)
Visual Basic (2 sets)
Scheme (1 set)

China (420 contestants)
Russia (242 contestants)
United States (104 contestants)
Poland (89 contestants)
Japan (86 contestants)
India (77 contestants)
Ukraine (68 contestants)
Brazil (63 contestants)
South Korea (59 contestants)
Romania (35 contestants)
Belarus (34 contestants)
Taiwan (34 contestants)
Canada (27 contestants)
Vietnam (26 contestants)
Argentina (23 contestants)
Bulgaria (22 contestants)
Hong Kong (22 contestants)
Australia (21 contestants)
Germany (21 contestants)
Slovakia (21 contestants)
Indonesia (20 contestants)
Bangladesh (19 contestants)
Egypt (17 contestants)
Spain (17 contestants)

Netherlands (16 contestants)
Hungary (15 contestants)
Thailand (14 contestants)
Italy (13 contestants)
Lithuania (13 contestants)
Croatia (12 contestants)
Czech Republic (11 contestants)
Kazakhstan (11 contestants)
South Africa (11 contestants)
Sweden (11 contestants)
United Kingdom (11 contestants)
Georgia (9 contestants)
Latvia (9 contestants)
Peru (9 contestants)
Colombia (8 contestants)
France (8 contestants)
Israel (7 contestants)
Finland (6 contestants)
Armenia (5 contestants)
Mexico (5 contestants)
Austria (4 contestants)
Greece (4 contestants)
Lebanon (4 contestants)
Moldova (4 contestants)

New Zealand (4 contestants)
Portugal (4 contestants)
Serbia (4 contestants)
Singapore (4 contestants)
Venezuela (4 contestants)
Denmark (3 contestants)
Estonia (3 contestants)
Kyrgyzstan (3 contestants)
Norway (3 contestants)
Slovenia (3 contestants)
Sri Lanka (3 contestants)
Iran (2 contestants)
Bolivia (1 contestant)
Chile (1 contestant)
Cuba (1 contestant)
Dominican Republic (1 contestant)
Macedonia (1 contestant)
Malaysia (1 contestant)
Philippines (1 contestant)
Turkey (1 contestant)
U.S. Virgin Islands (1 contestant)
Uruguay (1 contestant)