Round 1A: Ratatouille

1948 correct small sets and 1347 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (2280 sets)
Python (486 sets)
Java (331 sets)
C# (57 sets)
Haskell (17 sets)
C (14 sets)
Ruby (14 sets)
Scala (13 sets)
Go (10 sets)
PHP (8 sets)
D (7 sets)
Kotlin (6 sets)
OCaml (6 sets)
Rust (6 sets)
JavaScript (5 sets)
Perl (5 sets)
F# (4 sets)
MATLAB (3 sets)
CJam (2 sets)
Dart (2 sets)
Julia (2 sets)
Lisp (2 sets)
Lua (2 sets)
R (2 sets)
Clojure (1 set)
Pascal (1 set)
Swift (1 set)

Submission Origin

China (347 contestants)
United States (287 contestants)
Japan (150 contestants)
Russia (128 contestants)
India (105 contestants)
South Korea (80 contestants)
Canada (80 contestants)
Taiwan (73 contestants)
Brazil (52 contestants)
Vietnam (38 contestants)
Poland (32 contestants)
Australia (31 contestants)
Ukraine (30 contestants)
Thailand (29 contestants)
Hong Kong (27 contestants)
France (27 contestants)
Germany (25 contestants)
Singapore (23 contestants)
Belarus (20 contestants)
Argentina (19 contestants)
Israel (18 contestants)
Bangladesh (18 contestants)
Indonesia (16 contestants)
Egypt (15 contestants)
Romania (14 contestants)
Hungary (14 contestants)
New Zealand (13 contestants)
United Kingdom (12 contestants)
Iran (12 contestants)
Czech Republic (12 contestants)
Philippines (11 contestants)
Slovakia (10 contestants)
Netherlands (10 contestants)
Kazakhstan (10 contestants)
Belgium (10 contestants)
Colombia (8 contestants)
Bulgaria (8 contestants)
Switzerland (7 contestants)
Lithuania (7 contestants)
Sweden (6 contestants)
Peru (6 contestants)
Italy (6 contestants)
Georgia (6 contestants)
? (6 contestants)
Mexico (5 contestants)
Greece (5 contestants)
Spain (4 contestants)
South Africa (4 contestants)
Norway (4 contestants)
Venezuela (3 contestants)
Slovenia (3 contestants)
Serbia (3 contestants)
Portugal (3 contestants)
Malaysia (3 contestants)
Latvia (3 contestants)
Iceland (3 contestants)
Finland (3 contestants)
Denmark (3 contestants)
Austria (3 contestants)
Antarctica (3 contestants)
Uzbekistan (2 contestants)
Puerto Rico (2 contestants)
Moldova (2 contestants)
Macedonia (2 contestants)
Kyrgyzstan (2 contestants)
Ireland (2 contestants)
Cyprus (2 contestants)
Croatia (2 contestants)
Chile (2 contestants)
Azerbaijan (2 contestants)
United Arab Emirates (1 contestant)
Turkmenistan (1 contestant)
Turkey (1 contestant)
Tunisia (1 contestant)
Syria (1 contestant)
Saudi Arabia (1 contestant)
Morocco (1 contestant)
Mongolia (1 contestant)
Malta (1 contestant)
Macau (1 contestant)
Luxembourg (1 contestant)
Lebanon (1 contestant)
Dominican Republic (1 contestant)
Bolivia (1 contestant)
Armenia (1 contestant)