Qualification Round: Recycled Numbers

11747 correct small sets and 6811 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (8067 sets)
Java (4284 sets)
Python (2776 sets)
C# (1003 sets)
C (834 sets)
Ruby (333 sets)
PHP (250 sets)
Perl (164 sets)
Haskell (147 sets)
Pascal (138 sets)
Scala (87 sets)
JavaScript (74 sets)
Visual Basic (44 sets)
Go (40 sets)
MATLAB (34 sets)
OCaml (27 sets)
Groovy (23 sets)
Clojure (22 sets)
Lisp (21 sets)
Lua (20 sets)
D (18 sets)
F# (17 sets)
Objective-C (15 sets)
Erlang (11 sets)
Scheme (9 sets)
Shell (7 sets)
Fortran (5 sets)
TCL (5 sets)
ActionScript (4 sets)
AWK (4 sets)
Gosu (4 sets)
R (4 sets)
Standard ML (3 sets)
Ada (2 sets)
APL (2 sets)
Basic (2 sets)
Clay (2 sets)
CoffeeScript (2 sets)
J (2 sets)
PL/SQL (2 sets)
Processing (2 sets)
Prolog (2 sets)
Racket (2 sets)
VHDL (2 sets)
bc (1 set)
BibTeX (1 set)
Chef (1 set)
COBOL (1 set)
Factor (1 set)
Haxe (1 set)
Icon (1 set)
PowerShell (1 set)
SQL (1 set)

Submission Origin

India (1795 contestants)
China (1591 contestants)
United States (1365 contestants)
Russia (573 contestants)
Japan (531 contestants)
Brazil (302 contestants)
Canada (263 contestants)
Poland (255 contestants)
Ukraine (254 contestants)
Egypt (242 contestants)
Taiwan (231 contestants)
France (225 contestants)
South Korea (215 contestants)
Australia (200 contestants)
Thailand (178 contestants)
United Kingdom (175 contestants)
Germany (170 contestants)
Spain (163 contestants)
Indonesia (140 contestants)
Romania (131 contestants)
Hong Kong (108 contestants)
Vietnam (105 contestants)
Hungary (100 contestants)
Bangladesh (96 contestants)
Colombia (93 contestants)
Italy (88 contestants)
Belarus (83 contestants)
Sweden (83 contestants)
Argentina (82 contestants)
Israel (81 contestants)
Greece (76 contestants)
Netherlands (74 contestants)
Singapore (74 contestants)
Iran (72 contestants)
Mexico (72 contestants)
South Africa (71 contestants)
... (68 contestants)
Slovakia (66 contestants)
Croatia (61 contestants)
New Zealand (61 contestants)
Bulgaria (58 contestants)
Sri Lanka (58 contestants)
Pakistan (54 contestants)
Turkey (53 contestants)
Czech Republic (51 contestants)
Venezuela (45 contestants)
Morocco (43 contestants)
Belgium (41 contestants)
Portugal (36 contestants)
Switzerland (35 contestants)
Lithuania (32 contestants)
Peru (32 contestants)
Chile (29 contestants)
Austria (25 contestants)
Norway (25 contestants)
Bolivia (24 contestants)
Denmark (24 contestants)
Kazakhstan (24 contestants)
Philippines (24 contestants)
Latvia (23 contestants)
Serbia (21 contestants)
Georgia (20 contestants)
Malaysia (20 contestants)
Lebanon (19 contestants)
Finland (18 contestants)
Tunisia (18 contestants)
Nigeria (15 contestants)
Estonia (14 contestants)
Ireland (14 contestants)
Slovenia (13 contestants)
Azerbaijan (12 contestants)
Macedonia (12 contestants)
Moldova (12 contestants)
Ghana (10 contestants)
Mongolia (10 contestants)
Armenia (9 contestants)
Algeria (7 contestants)
Dominican Republic (7 contestants)
Ecuador (7 contestants)
Kenya (7 contestants)
Palestinian Territory (7 contestants)
Jordan (6 contestants)
Kyrgyzstan (6 contestants)
Nepal (6 contestants)
Uzbekistan (6 contestants)
Iceland (5 contestants)
Togo (5 contestants)
Bosnia and Herzegovina (4 contestants)
Cyprus (4 contestants)
Madagascar (4 contestants)
Uruguay (4 contestants)
Albania (3 contestants)
Cameroon (3 contestants)
Costa Rica (3 contestants)
Ethiopia (3 contestants)
Guatemala (3 contestants)
Kuwait (3 contestants)
Luxembourg (3 contestants)
Montenegro (3 contestants)
Syria (3 contestants)
Trinidad and Tobago (3 contestants)
United Arab Emirates (3 contestants)
Andorra (2 contestants)
Cuba (2 contestants)
Ivory Coast (2 contestants)
Namibia (2 contestants)
Paraguay (2 contestants)
Puerto Rico (2 contestants)
Rwanda (2 contestants)
Saudi Arabia (2 contestants)
Senegal (2 contestants)
Zimbabwe (2 contestants)
Angola (1 contestant)
Antigua and Barbuda (1 contestant)
Bahamas (1 contestant)
Benin (1 contestant)
Cambodia (1 contestant)
Cape Verde (1 contestant)
Fiji (1 contestant)
Iraq (1 contestant)
Jamaica (1 contestant)
Kosovo (1 contestant)
Laos (1 contestant)
Macau (1 contestant)
Malawi (1 contestant)
Netherlands Antilles (1 contestant)
Panama (1 contestant)
Saint Kitts and Nevis (1 contestant)
Sudan (1 contestant)
Turkmenistan (1 contestant)
Tuvalu (1 contestant)
U.S. Virgin Islands (1 contestant)
Uganda (1 contestant)
Vatican City (1 contestant)
Yemen (1 contestant)