Qualification Round: Coin Jam

13361 correct small sets and 6297 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (7215 sets)
Python (5873 sets)
Java (3933 sets)
C# (663 sets)
Ruby (358 sets)
C (308 sets)
Haskell (192 sets)
JavaScript (167 sets)
Go (148 sets)
Scala (124 sets)
PHP (90 sets)
MATLAB (62 sets)
Perl (55 sets)
Swift (36 sets)
Rust (32 sets)
OCaml (28 sets)
Kotlin (26 sets)
Clojure (24 sets)
Lisp (23 sets)
Julia (22 sets)
Shell (21 sets)
Groovy (20 sets)
D (14 sets)
Pascal (14 sets)
Visual Basic (14 sets)
Lua (13 sets)
Racket (12 sets)
R (11 sets)
Elixir (7 sets)
Mathematica (7 sets)
Erlang (6 sets)
F# (6 sets)
Objective-C (6 sets)
Dart (5 sets)
Q (5 sets)
Scheme (5 sets)
Crystal (4 sets)
CJam (3 sets)
CoffeeScript (3 sets)
J (3 sets)
TypeScript (3 sets)
AppleScript (2 sets)
bc (2 sets)
Picat (2 sets)
TCL (2 sets)
WRAPL (2 sets)
Aheui (1 set)
Boo (1 set)
Brainfuck (1 set)
Cobra (1 set)
Factor (1 set)
Fortran (1 set)
Maxima (1 set)
Octave (1 set)
PARI/GP (1 set)
PowerShell (1 set)
Smalltalk (1 set)

Submission Origin

India (1954 contestants)
United States (1868 contestants)
China (1331 contestants)
Russia (685 contestants)
Japan (478 contestants)
Canada (403 contestants)
South Korea (394 contestants)
France (369 contestants)
Ukraine (303 contestants)
Brazil (291 contestants)
Taiwan (286 contestants)
Poland (265 contestants)
Germany (247 contestants)
Australia (223 contestants)
United Kingdom (197 contestants)
Egypt (183 contestants)
Bangladesh (182 contestants)
Thailand (151 contestants)
Israel (149 contestants)
Spain (149 contestants)
Singapore (143 contestants)
Vietnam (139 contestants)
Hong Kong (138 contestants)
Romania (134 contestants)
Italy (125 contestants)
Belarus (110 contestants)
Hungary (108 contestants)
Indonesia (107 contestants)
Netherlands (107 contestants)
Pakistan (107 contestants)
Slovakia (89 contestants)
Sweden (88 contestants)
Turkey (83 contestants)
Czech Republic (82 contestants)
Iran (82 contestants)
Greece (80 contestants)
Argentina (78 contestants)
New Zealand (76 contestants)
Colombia (74 contestants)
Mexico (72 contestants)
South Africa (69 contestants)
Belgium (68 contestants)
Switzerland (56 contestants)
Kazakhstan (53 contestants)
Portugal (53 contestants)
Bulgaria (45 contestants)
Lithuania (38 contestants)
Croatia (37 contestants)
Peru (34 contestants)
Philippines (32 contestants)
Denmark (31 contestants)
Nigeria (31 contestants)
Sri Lanka (29 contestants)
? (28 contestants)
Finland (28 contestants)
Austria (27 contestants)
Venezuela (27 contestants)
Morocco (25 contestants)
Tunisia (25 contestants)
Chile (24 contestants)
Norway (24 contestants)
Ireland (21 contestants)
Latvia (21 contestants)
Serbia (21 contestants)
Slovenia (21 contestants)
Bolivia (20 contestants)
Georgia (19 contestants)
Armenia (18 contestants)
Malaysia (18 contestants)
Moldova (16 contestants)
Cameroon (12 contestants)
Estonia (12 contestants)
Jordan (12 contestants)
Lebanon (12 contestants)
Macedonia (11 contestants)
Benin (10 contestants)
Iceland (10 contestants)
Nepal (10 contestants)
Palestine (10 contestants)
Uzbekistan (10 contestants)
Turkmenistan (9 contestants)
Algeria (8 contestants)
Azerbaijan (8 contestants)
Saudi Arabia (8 contestants)
Kyrgyzstan (7 contestants)
Jamaica (6 contestants)
Kosovo (6 contestants)
Uruguay (6 contestants)
Albania (5 contestants)
Ethiopia (5 contestants)
Costa Rica (4 contestants)
Cyprus (4 contestants)
Dominican Republic (4 contestants)
Ecuador (4 contestants)
Kenya (4 contestants)
Luxembourg (4 contestants)
Cambodia (3 contestants)
Macau (3 contestants)
Mongolia (3 contestants)
Tajikistan (3 contestants)
United Arab Emirates (3 contestants)
Zimbabwe (3 contestants)
Andorra (2 contestants)
Antarctica (2 contestants)
Bahrain (2 contestants)
Bosnia and Herzegovina (2 contestants)
Cuba (2 contestants)
Guatemala (2 contestants)
Malta (2 contestants)
Nicaragua (2 contestants)
Paraguay (2 contestants)
Rwanda (2 contestants)
Trinidad and Tobago (2 contestants)
Ă…land Islands (2 contestants)
Anguilla (1 contestant)
Cayman Islands (1 contestant)
Gabon (1 contestant)
Ghana (1 contestant)
Guadeloupe (1 contestant)
Haiti (1 contestant)
Kuwait (1 contestant)
Lesotho (1 contestant)
Madagascar (1 contestant)
Mauritius (1 contestant)
Mozambique (1 contestant)
Myanmar (1 contestant)
Namibia (1 contestant)
New Caledonia (1 contestant)
Panama (1 contestant)
Papua New Guinea (1 contestant)
Puerto Rico (1 contestant)
Qatar (1 contestant)
San Marino (1 contestant)
Senegal (1 contestant)
Sint Maarten (1 contestant)
Somalia (1 contestant)
Syria (1 contestant)
Tanzania (1 contestant)
U.S. Minor Outlying Islands (1 contestant)
Wallis and Futuna (1 contestant)
Western Sahara (1 contestant)
Yemen (1 contestant)
Zambia (1 contestant)