Round 1B: The Next Number

2603 correct small sets and 1918 correct large sets.

C++ (2841 sets)
Java (675 sets)
Python (365 sets)
C# (230 sets)
C (141 sets)
Pascal (59 sets)
Perl (53 sets)
Ruby (47 sets)

Haskell (39 sets)
PHP (29 sets)
Objective-C (9 sets)
Visual Basic (8 sets)
Lisp (5 sets)
Scheme (4 sets)
D (2 sets)
F# (2 sets)

Factor (2 sets)
Lua (2 sets)
OCaml (2 sets)
ActionScript (1 set)
Javascript (1 set)
Scala (1 set)

China (396 people)
India (371 people)
Russia (268 people)
United States (158 people)
Poland (107 people)
Japan (97 people)
Ukraine (85 people)
Brazil (80 people)
South Korea (64 people)
Romania (61 people)
Taiwan (48 people)
Canada (42 people)
Belarus (37 people)
Vietnam (35 people)
Indonesia (34 people)
Bangladesh (33 people)
Argentina (31 people)
Germany (30 people)
Hungary (29 people)
Bulgaria (28 people)
Colombia (27 people)
France (26 people)
Thailand (26 people)
Spain (24 people)
Italy (23 people)
Mexico (22 people)
Netherlands (22 people)

Egypt (21 people)
Hong Kong (21 people)
Israel (21 people)
Slovakia (Slovak Republic) (21 people)
South Africa (21 people)
United Kingdom (20 people)
Czech Republic (18 people)
Australia (15 people)
Lithuania (14 people)
Serbia (13 people)
Kazakhstan (12 people)
Peru (12 people)
Portugal (12 people)
Turkey (12 people)
Venezuela (12 people)
Armenia (9 people)
Latvia (9 people)
New Zealand (9 people)
Sweden (9 people)
Finland (8 people)
Singapore (8 people)
Estonia (7 people)
Denmark (6 people)
Moldova (6 people)
Austria (5 people)
Belgium (5 people)
Georgia (5 people)

Morocco (5 people)
Pakistan (5 people)
Bolivia (4 people)
Croatia (4 people)
Greece (4 people)
Iran (4 people)
Malaysia (4 people)
Slovenia (4 people)
Macedonia (3 people)
Sri Lanka (3 people)
Switzerland (3 people)
Bosnia and Herzegovina (2 people)
Dominican Republic (2 people)
Lebanon (2 people)
Norway (2 people)
Philippines (2 people)
Uruguay (2 people)
Algeria (1 person)
Cameroon (1 person)
Guatemala (1 person)
Ireland (1 person)
Kyrgyzstan (1 person)
Nepal (1 person)
Palestinian Territory (1 person)
St Vincent & Grenadines (1 person)
Sudan (1 person)
Uzbekistan (1 person)