Round 1C: Core Training

1785 correct small sets and 15 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (1122 sets)
Python (348 sets)
Java (178 sets)
C# (37 sets)
Ruby (20 sets)
C (13 sets)
Haskell (11 sets)
JavaScript (9 sets)
PHP (8 sets)
Kotlin (6 sets)
Scala (6 sets)
Go (5 sets)
OCaml (5 sets)
Dart (4 sets)
D (3 sets)
Perl (3 sets)
F# (2 sets)
Groovy (2 sets)
Julia (2 sets)
Lua (2 sets)
MATLAB (2 sets)
Pascal (2 sets)
Visual Basic (2 sets)
Crystal (1 set)
Elixir (1 set)
Racket (1 set)
Rust (1 set)
Swift (1 set)
WRAPL (1 set)

Submission Origin

China (225 contestants)
Russia (158 contestants)
India (141 contestants)
Japan (122 contestants)
United States (117 contestants)
South Korea (69 contestants)
Taiwan (65 contestants)
France (56 contestants)
Ukraine (50 contestants)
Poland (47 contestants)
Vietnam (38 contestants)
Belarus (35 contestants)
Germany (34 contestants)
Australia (31 contestants)
Bangladesh (28 contestants)
United Kingdom (28 contestants)
Brazil (24 contestants)
Hong Kong (24 contestants)
Hungary (22 contestants)
Netherlands (22 contestants)
Romania (22 contestants)
Thailand (22 contestants)
Israel (21 contestants)
Singapore (21 contestants)
Sweden (21 contestants)
Canada (20 contestants)
Indonesia (20 contestants)
Italy (20 contestants)
Slovakia (18 contestants)
Belgium (17 contestants)
Egypt (17 contestants)
Czech Republic (16 contestants)
Spain (14 contestants)
Iran (12 contestants)
Argentina (11 contestants)
Lithuania (11 contestants)
Greece (10 contestants)
New Zealand (9 contestants)
Turkey (9 contestants)
South Africa (7 contestants)
Switzerland (7 contestants)
Armenia (6 contestants)
Croatia (6 contestants)
Denmark (6 contestants)
Malaysia (6 contestants)
Austria (5 contestants)
Bulgaria (5 contestants)
Kazakhstan (5 contestants)
Morocco (5 contestants)
Norway (5 contestants)
Peru (5 contestants)
Philippines (5 contestants)
Finland (4 contestants)
Jordan (4 contestants)
Latvia (4 contestants)
Mexico (4 contestants)
Slovenia (4 contestants)
? (3 contestants)
Georgia (3 contestants)
Ireland (3 contestants)
Macedonia (3 contestants)
Syria (3 contestants)
Tunisia (3 contestants)
Bosnia and Herzegovina (2 contestants)
Colombia (2 contestants)
Iceland (2 contestants)
Portugal (2 contestants)
Serbia (2 contestants)
Turkmenistan (2 contestants)
Uzbekistan (2 contestants)
Albania (1 contestant)
Antarctica (1 contestant)
Azerbaijan (1 contestant)
Estonia (1 contestant)
Kyrgyzstan (1 contestant)
Lebanon (1 contestant)
Macau (1 contestant)
Moldova (1 contestant)
Mongolia (1 contestant)
Pakistan (1 contestant)
RĂ©union (1 contestant)
Saudi Arabia (1 contestant)
Sri Lanka (1 contestant)