Round 1B: Counter Culture

3090 correct small sets and 955 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (2764 sets)
Python (510 sets)
Java (504 sets)
C# (87 sets)
C (40 sets)
Ruby (28 sets)
Haskell (26 sets)
Scala (11 sets)
Go (10 sets)
Perl (10 sets)
MATLAB (8 sets)
F# (6 sets)
OCaml (6 sets)
Pascal (6 sets)
D (5 sets)
JavaScript (5 sets)
Groovy (2 sets)
Julia (2 sets)
Clojure (1 set)
CoffeeScript (1 set)
Dart (1 set)
Factor (1 set)
Lisp (1 set)
Objective-C (1 set)
PHP (1 set)
Picat (1 set)
Rust (1 set)
Swift (1 set)
Visual Basic (1 set)

Submission Origin

India (418 contestants)
China (413 contestants)
Russia (291 contestants)
United States (247 contestants)
Japan (136 contestants)
Ukraine (105 contestants)
Poland (88 contestants)
South Korea (80 contestants)
Taiwan (80 contestants)
Canada (74 contestants)
Bangladesh (71 contestants)
France (60 contestants)
Romania (57 contestants)
Brazil (49 contestants)
Egypt (49 contestants)
Vietnam (48 contestants)
Belarus (46 contestants)
Germany (46 contestants)
Slovakia (34 contestants)
Thailand (34 contestants)
Iran (30 contestants)
Indonesia (29 contestants)
Singapore (29 contestants)
Hong Kong (27 contestants)
Hungary (27 contestants)
Netherlands (26 contestants)
Czech Republic (25 contestants)
Israel (25 contestants)
Italy (25 contestants)
United Kingdom (24 contestants)
Australia (21 contestants)
Spain (21 contestants)
Colombia (20 contestants)
Sweden (19 contestants)
Turkey (16 contestants)
Argentina (14 contestants)
Croatia (14 contestants)
South Africa (14 contestants)
Belgium (12 contestants)
Kazakhstan (12 contestants)
Bulgaria (11 contestants)
Latvia (11 contestants)
Mexico (11 contestants)
Switzerland (11 contestants)
Georgia (10 contestants)
Greece (10 contestants)
Philippines (10 contestants)
Peru (9 contestants)
Austria (8 contestants)
Lithuania (8 contestants)
New Zealand (8 contestants)
Portugal (8 contestants)
Lebanon (7 contestants)
Morocco (7 contestants)
Norway (7 contestants)
Armenia (6 contestants)
Bolivia (6 contestants)
Uzbekistan (6 contestants)
Denmark (5 contestants)
Serbia (5 contestants)
Slovenia (5 contestants)
Jordan (4 contestants)
Moldova (4 contestants)
Chile (3 contestants)
Dominican Republic (3 contestants)
Finland (3 contestants)
Iceland (3 contestants)
Turkmenistan (3 contestants)
Venezuela (3 contestants)
Azerbaijan (2 contestants)
Bosnia and Herzegovina (2 contestants)
Cyprus (2 contestants)
Estonia (2 contestants)
Ireland (2 contestants)
Kyrgyzstan (2 contestants)
Macedonia (2 contestants)
Malaysia (2 contestants)
Palestine (2 contestants)
Sri Lanka (2 contestants)
Tajikistan (2 contestants)
Uruguay (2 contestants)
Antarctica (1 contestant)
Antigua and Barbuda (1 contestant)
Costa Rica (1 contestant)
Cuba (1 contestant)
Guernsey (1 contestant)
Jamaica (1 contestant)
Macau (1 contestant)
Mongolia (1 contestant)
Myanmar (1 contestant)
Nepal (1 contestant)
Nigeria (1 contestant)
Saudi Arabia (1 contestant)
Somalia (1 contestant)
U.S. Virgin Islands (1 contestant)
Unknown or Invalid Region (1 contestant)