Round 1B: Equal Sums

2257 correct small sets and 149 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1447 sets)
Java (357 sets)
Python (347 sets)
C# (79 sets)
C (44 sets)
Ruby (43 sets)
Haskell (25 sets)
Pascal (14 sets)
PHP (10 sets)
OCaml (5 sets)
Scala (5 sets)
Perl (4 sets)
D (3 sets)
Lisp (3 sets)
Clojure (2 sets)
F# (2 sets)
Groovy (2 sets)
Visual Basic (2 sets)
Erlang (1 set)
Go (1 set)
Gosu (1 set)
JavaScript (1 set)
Julia (1 set)
Lua (1 set)
MATLAB (1 set)
Prolog (1 set)
R (1 set)
Racket (1 set)
Scheme (1 set)
Shell (1 set)

Submission Origin

China (414 contestants)
Russia (233 contestants)
United States (182 contestants)
India (155 contestants)
Japan (136 contestants)
Ukraine (100 contestants)
Poland (75 contestants)
Taiwan (56 contestants)
Brazil (50 contestants)
Egypt (44 contestants)
Canada (42 contestants)
France (42 contestants)
Belarus (37 contestants)
South Korea (36 contestants)
Germany (34 contestants)
Hong Kong (30 contestants)
United Kingdom (28 contestants)
Romania (25 contestants)
Bangladesh (24 contestants)
Spain (23 contestants)
Indonesia (22 contestants)
Slovakia (22 contestants)
Argentina (21 contestants)
Thailand (21 contestants)
Bulgaria (19 contestants)
Italy (18 contestants)
Vietnam (18 contestants)
Croatia (16 contestants)
Hungary (16 contestants)
Netherlands (16 contestants)
Sweden (16 contestants)
Australia (15 contestants)
Colombia (14 contestants)
Iran (14 contestants)
Israel (14 contestants)
Singapore (13 contestants)
South Africa (13 contestants)
Czech Republic (12 contestants)
Mexico (11 contestants)
Georgia (10 contestants)
... (9 contestants)
Lithuania (9 contestants)
Switzerland (9 contestants)
Belgium (8 contestants)
Greece (8 contestants)
Kazakhstan (8 contestants)
Latvia (8 contestants)
Peru (7 contestants)
Morocco (6 contestants)
Portugal (6 contestants)
Moldova (5 contestants)
Norway (5 contestants)
Slovenia (5 contestants)
Turkey (5 contestants)
Venezuela (5 contestants)
Armenia (4 contestants)
Dominican Republic (4 contestants)
Estonia (4 contestants)
Lebanon (4 contestants)
New Zealand (4 contestants)
Philippines (4 contestants)
Serbia (4 contestants)
Sri Lanka (4 contestants)
Algeria (3 contestants)
Chile (3 contestants)
Finland (3 contestants)
Kyrgyzstan (3 contestants)
Mongolia (3 contestants)
Austria (2 contestants)
Iceland (2 contestants)
Ireland (2 contestants)
Azerbaijan (1 contestant)
Bolivia (1 contestant)
Denmark (1 contestant)
Ecuador (1 contestant)
Jordan (1 contestant)
Macedonia (1 contestant)
Madagascar (1 contestant)
Malaysia (1 contestant)
Nepal (1 contestant)
Netherlands Antilles (1 contestant)
Nicaragua (1 contestant)
Pakistan (1 contestant)
United Arab Emirates (1 contestant)
Uruguay (1 contestant)