Round 1C: Slides!

1983 correct small sets and 1473 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (2271 sets)
Python (580 sets)
Java (375 sets)
C# (66 sets)
C (29 sets)
Ruby (26 sets)
Haskell (20 sets)
Scala (12 sets)
JavaScript (10 sets)
OCaml (10 sets)
Go (7 sets)
Clojure (5 sets)
MATLAB (5 sets)
Perl (5 sets)
Lisp (4 sets)
Kotlin (3 sets)
Lua (3 sets)
D (2 sets)
Dart (2 sets)
Erlang (2 sets)
Groovy (2 sets)
Mathematica (2 sets)
Rust (2 sets)
Swift (2 sets)
F# (1 set)
MoonScript (1 set)
Objective-C (1 set)
Pascal (1 set)
WRAPL (1 set)

Submission Origin

China (246 contestants)
Russia (198 contestants)
India (192 contestants)
United States (124 contestants)
Japan (116 contestants)
South Korea (87 contestants)
Poland (61 contestants)
Ukraine (60 contestants)
Taiwan (55 contestants)
France (52 contestants)
Germany (40 contestants)
Bangladesh (38 contestants)
Canada (38 contestants)
Slovakia (33 contestants)
Australia (32 contestants)
Thailand (31 contestants)
United Kingdom (28 contestants)
Romania (25 contestants)
Brazil (24 contestants)
Belarus (22 contestants)
Iran (21 contestants)
Israel (21 contestants)
Vietnam (21 contestants)
Hong Kong (20 contestants)
Spain (20 contestants)
Indonesia (19 contestants)
Egypt (18 contestants)
Netherlands (18 contestants)
Czech Republic (17 contestants)
Hungary (17 contestants)
Singapore (17 contestants)
Argentina (16 contestants)
Sweden (15 contestants)
Belgium (13 contestants)
Bulgaria (12 contestants)
Italy (12 contestants)
New Zealand (12 contestants)
Turkey (12 contestants)
South Africa (10 contestants)
Switzerland (10 contestants)
Greece (9 contestants)
Kazakhstan (9 contestants)
Lithuania (9 contestants)
Slovenia (8 contestants)
? (7 contestants)
Colombia (7 contestants)
Denmark (7 contestants)
Finland (7 contestants)
Armenia (6 contestants)
Georgia (6 contestants)
Latvia (6 contestants)
Peru (6 contestants)
Moldova (5 contestants)
Norway (5 contestants)
Portugal (5 contestants)
Serbia (5 contestants)
Austria (4 contestants)
Croatia (4 contestants)
Mexico (4 contestants)
Philippines (4 contestants)
Venezuela (4 contestants)
Azerbaijan (3 contestants)
Bolivia (3 contestants)
Sri Lanka (3 contestants)
Uzbekistan (3 contestants)
Cyprus (2 contestants)
Lebanon (2 contestants)
Macedonia (2 contestants)
Tajikistan (2 contestants)
Tunisia (2 contestants)
Antarctica (1 contestant)
Cameroon (1 contestant)
Cuba (1 contestant)
Dominican Republic (1 contestant)
Iceland (1 contestant)
Ireland (1 contestant)
Luxembourg (1 contestant)
Macau (1 contestant)
Malaysia (1 contestant)
Morocco (1 contestant)
Nepal (1 contestant)
Panama (1 contestant)
Rwanda (1 contestant)
Saudi Arabia (1 contestant)
Sint Maarten (1 contestant)