Round 1C: Perfect Harmony

2839 correct small sets and 60 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1581 sets)
Java (578 sets)
Python (291 sets)
C# (153 sets)
C (111 sets)
Ruby (45 sets)
Pascal (25 sets)
PHP (24 sets)
Haskell (20 sets)
Perl (19 sets)
JavaScript (6 sets)
OCaml (6 sets)
Scala (6 sets)
Lisp (5 sets)
Go (4 sets)
F# (3 sets)
Clojure (2 sets)
CoffeeScript (2 sets)
Visual Basic (2 sets)
AutoHotkey (1 set)
AWK (1 set)
D (1 set)
Groovy (1 set)
Lua (1 set)
Objective-C (1 set)
PowerShell (1 set)
Processing (1 set)
Racket (1 set)
Shell (1 set)

Submission Origin

China (449 contestants)
India (400 contestants)
Russia (193 contestants)
United States (156 contestants)
Japan (139 contestants)
Poland (81 contestants)
Ukraine (81 contestants)
Brazil (62 contestants)
Egypt (62 contestants)
Australia (58 contestants)
France (54 contestants)
Germany (54 contestants)
Taiwan (54 contestants)
Indonesia (51 contestants)
Romania (51 contestants)
South Korea (48 contestants)
Bangladesh (46 contestants)
Vietnam (39 contestants)
Thailand (38 contestants)
Hong Kong (35 contestants)
Spain (35 contestants)
United Kingdom (34 contestants)
Hungary (31 contestants)
Canada (30 contestants)
Belarus (29 contestants)
Argentina (27 contestants)
Bulgaria (25 contestants)
Colombia (24 contestants)
Sweden (24 contestants)
Israel (23 contestants)
Pakistan (20 contestants)
Mexico (19 contestants)
Czech Republic (18 contestants)
Greece (18 contestants)
Slovakia (18 contestants)
Croatia (17 contestants)
South Africa (17 contestants)
Iran (16 contestants)
Sri Lanka (15 contestants)
Lithuania (14 contestants)
New Zealand (14 contestants)
Turkey (14 contestants)
Italy (13 contestants)
Singapore (13 contestants)
Netherlands (12 contestants)
Switzerland (12 contestants)
Belgium (10 contestants)
Venezuela (10 contestants)
Latvia (9 contestants)
Peru (9 contestants)
Philippines (9 contestants)
Portugal (9 contestants)
Finland (8 contestants)
Austria (7 contestants)
Georgia (6 contestants)
Morocco (6 contestants)
Serbia (6 contestants)
Kazakhstan (5 contestants)
Armenia (4 contestants)
Estonia (4 contestants)
Malaysia (4 contestants)
Norway (4 contestants)
Slovenia (4 contestants)
Denmark (3 contestants)
Ireland (3 contestants)
Lebanon (3 contestants)
Macedonia (3 contestants)
Moldova (3 contestants)
Kyrgyzstan (2 contestants)
Mongolia (2 contestants)
Nepal (2 contestants)
Palestinian Territory (2 contestants)
Bolivia (1 contestant)
Cameroon (1 contestant)
Chile (1 contestant)
Congo (1 contestant)
Costa Rica (1 contestant)
Cuba (1 contestant)
Cyprus (1 contestant)
Dominican Republic (1 contestant)
Ghana (1 contestant)
Iceland (1 contestant)
Jordan (1 contestant)
Kenya (1 contestant)
Malta (1 contestant)
Nigeria (1 contestant)
Saudi Arabia (1 contestant)
Senegal (1 contestant)
Tunisia (1 contestant)
United Arab Emirates (1 contestant)
Uruguay (1 contestant)