Round 1B: Your Rank is Pure

1036 correct small sets and 502 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1004 sets)
Java (204 sets)
Python (164 sets)
C# (52 sets)
C (32 sets)
Haskell (22 sets)
Pascal (17 sets)
Ruby (17 sets)
Lisp (6 sets)
PHP (5 sets)
Perl (3 sets)
Go (2 sets)
Scala (2 sets)
F# (1 set)
OCaml (1 set)
R (1 set)
Shell (1 set)
Smalltalk (1 set)
Visual Basic (1 set)
WRAPL (1 set)

Submission Origin

China (206 contestants)
Russia (132 contestants)
Ukraine (57 contestants)
India (55 contestants)
Poland (52 contestants)
United States (52 contestants)
Japan (30 contestants)
Brazil (22 contestants)
South Korea (21 contestants)
Belarus (20 contestants)
Germany (19 contestants)
France (18 contestants)
Israel (18 contestants)
Slovakia (17 contestants)
Taiwan (16 contestants)
Bangladesh (14 contestants)
Bulgaria (14 contestants)
Canada (14 contestants)
Hungary (14 contestants)
Vietnam (14 contestants)
South Africa (13 contestants)
United Kingdom (13 contestants)
Argentina (11 contestants)
Netherlands (11 contestants)
Romania (11 contestants)
Australia (10 contestants)
Czech Republic (10 contestants)
Hong Kong (9 contestants)
Indonesia (9 contestants)
Spain (9 contestants)
Georgia (7 contestants)
Italy (7 contestants)
Croatia (6 contestants)
Egypt (6 contestants)
Finland (6 contestants)
Latvia (6 contestants)
Serbia (6 contestants)
Sweden (6 contestants)
Estonia (5 contestants)
Lithuania (5 contestants)
Portugal (5 contestants)
Thailand (5 contestants)
Kazakhstan (4 contestants)
Norway (4 contestants)
Switzerland (4 contestants)
Armenia (3 contestants)
Colombia (3 contestants)
Iran (3 contestants)
Ireland (3 contestants)
Mexico (3 contestants)
Moldova (3 contestants)
Peru (3 contestants)
Venezuela (3 contestants)
Austria (2 contestants)
Greece (2 contestants)
Kyrgyzstan (2 contestants)
New Zealand (2 contestants)
Slovenia (2 contestants)
Azerbaijan (1 contestant)
Belgium (1 contestant)
Bosnia and Herzegovina (1 contestant)
Bouvet Island (1 contestant)
Denmark (1 contestant)
Jordan (1 contestant)
Lebanon (1 contestant)
Morocco (1 contestant)
Turkey (1 contestant)