Qualification Round: Welcome to Code Jam

5255 correct small sets and 3029 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (4697 sets)
Java (1449 sets)
Python (769 sets)
C# (433 sets)
C (338 sets)
Ruby (119 sets)
Pascal (108 sets)
Perl (88 sets)
PHP (75 sets)
Haskell (68 sets)
Visual Basic (18 sets)
Scala (14 sets)
Lisp (13 sets)
OCaml (13 sets)
JavaScript (12 sets)
MATLAB (8 sets)
ActionScript (7 sets)
Scheme (7 sets)
F# (6 sets)
Clojure (5 sets)
Groovy (4 sets)
D (3 sets)
Erlang (2 sets)
Factor (2 sets)
Maple (2 sets)
Objective-C (2 sets)
Assembly (1 set)
Boo (1 set)
Brainfuck (1 set)
Lua (1 set)
Mercury (1 set)
PL/SQL (1 set)
PostScript (1 set)
PowerShell (1 set)
Shell (1 set)

Submission Origin

China (925 contestants)
United States (714 contestants)
India (483 contestants)
Russia (392 contestants)
Japan (218 contestants)
Brazil (185 contestants)
Poland (169 contestants)
South Korea (138 contestants)
Ukraine (137 contestants)
Canada (100 contestants)
Romania (87 contestants)
Taiwan (86 contestants)
Australia (85 contestants)
Argentina (75 contestants)
Egypt (62 contestants)
Hungary (62 contestants)
United Kingdom (62 contestants)
France (60 contestants)
Germany (58 contestants)
Spain (58 contestants)
Thailand (57 contestants)
Hong Kong (52 contestants)
Belarus (50 contestants)
Vietnam (47 contestants)
Bulgaria (46 contestants)
Bangladesh (45 contestants)
Italy (42 contestants)
Mexico (41 contestants)
Netherlands (41 contestants)
Slovakia (41 contestants)
Indonesia (40 contestants)
Singapore (38 contestants)
South Africa (33 contestants)
Portugal (31 contestants)
Colombia (30 contestants)
Czech Republic (30 contestants)
Israel (29 contestants)
Croatia (24 contestants)
Sweden (23 contestants)
Switzerland (23 contestants)
Turkey (23 contestants)
Peru (18 contestants)
Kazakhstan (17 contestants)
Denmark (16 contestants)
Finland (16 contestants)
New Zealand (16 contestants)
Latvia (15 contestants)
Belgium (14 contestants)
Georgia (14 contestants)
Greece (14 contestants)
Lithuania (14 contestants)
Serbia (13 contestants)
Chile (12 contestants)
Lebanon (12 contestants)
Austria (11 contestants)
Venezuela (11 contestants)
Armenia (9 contestants)
Estonia (8 contestants)
Macedonia (7 contestants)
Moldova (7 contestants)
Pakistan (7 contestants)
Philippines (7 contestants)
Sri Lanka (6 contestants)
Jordan (5 contestants)
Slovenia (5 contestants)
Norway (4 contestants)
Palestinian Territory (4 contestants)
Bolivia (3 contestants)
Bosnia and Herzegovina (3 contestants)
Uruguay (3 contestants)
Algeria (2 contestants)
Dominican Republic (2 contestants)
Morocco (2 contestants)
United Arab Emirates (2 contestants)
Albania (1 contestant)
Andorra (1 contestant)
Azerbaijan (1 contestant)
Ecuador (1 contestant)
Guatemala (1 contestant)
Ireland (1 contestant)
Madagascar (1 contestant)
Malaysia (1 contestant)
Malta (1 contestant)
Nigeria (1 contestant)
Oman (1 contestant)
Paraguay (1 contestant)
Puerto Rico (1 contestant)
Saudi Arabia (1 contestant)
St Vincent & Grenadines (1 contestant)
U.S. Virgin Islands (1 contestant)
Uganda (1 contestant)
Zimbabwe (1 contestant)