Round 2: Red Tape Committee

1668 correct small sets and 820 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1995 sets)
Java (217 sets)
Python (190 sets)
C# (32 sets)
Haskell (10 sets)
C (7 sets)
OCaml (7 sets)
Ruby (6 sets)
Julia (3 sets)
Go (2 sets)
Groovy (2 sets)
Swift (2 sets)
Erlang (1 set)
JavaScript (1 set)
Kotlin (1 set)
Lua (1 set)
MATLAB (1 set)
Perl (1 set)
Scala (1 set)
Visual Basic (1 set)

Submission Origin

China (361 contestants)
Russia (230 contestants)
Japan (138 contestants)
United States (114 contestants)
Taiwan (58 contestants)
Poland (55 contestants)
South Korea (50 contestants)
India (49 contestants)
Ukraine (41 contestants)
Belarus (40 contestants)
Canada (32 contestants)
Brazil (26 contestants)
Vietnam (26 contestants)
Hong Kong (22 contestants)
Australia (21 contestants)
Germany (19 contestants)
Iran (18 contestants)
Romania (18 contestants)
Bangladesh (16 contestants)
Czech Republic (15 contestants)
Slovakia (15 contestants)
France (14 contestants)
Hungary (13 contestants)
Singapore (13 contestants)
Thailand (13 contestants)
United Kingdom (13 contestants)
Argentina (12 contestants)
Egypt (12 contestants)
Bulgaria (11 contestants)
Indonesia (11 contestants)
Spain (11 contestants)
Sweden (10 contestants)
Netherlands (9 contestants)
Finland (8 contestants)
Georgia (8 contestants)
Italy (8 contestants)
Lithuania (8 contestants)
Belgium (7 contestants)
Kazakhstan (7 contestants)
Latvia (7 contestants)
Serbia (7 contestants)
Slovenia (7 contestants)
Israel (6 contestants)
Peru (6 contestants)
Switzerland (6 contestants)
Denmark (5 contestants)
South Africa (5 contestants)
Armenia (4 contestants)
Colombia (4 contestants)
Croatia (4 contestants)
Greece (4 contestants)
New Zealand (4 contestants)
Philippines (4 contestants)
Turkey (4 contestants)
Norway (3 contestants)
Portugal (3 contestants)
? (2 contestants)
Austria (2 contestants)
Dominican Republic (2 contestants)
Kyrgyzstan (2 contestants)
Lebanon (2 contestants)
Macedonia (2 contestants)
Malaysia (2 contestants)
Moldova (2 contestants)
Saudi Arabia (2 contestants)
Uzbekistan (2 contestants)
Venezuela (2 contestants)
Antarctica (1 contestant)
Azerbaijan (1 contestant)
Bolivia (1 contestant)
Cayman Islands (1 contestant)
Cyprus (1 contestant)
Estonia (1 contestant)
Iceland (1 contestant)
Mexico (1 contestant)
Sint Maarten (1 contestant)
Sri Lanka (1 contestant)
Tajikistan (1 contestant)
Tunisia (1 contestant)