Round 2: Beaming With Joy

490 correct small sets and 182 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (518 sets)
Python (65 sets)
Java (58 sets)
C# (11 sets)
Ruby (4 sets)
Go (3 sets)
Kotlin (3 sets)
Scala (3 sets)
D (2 sets)
Rust (2 sets)
JavaScript (1 set)
Pascal (1 set)
Visual Basic (1 set)

Submission Origin

Russia (76 contestants)
China (51 contestants)
Japan (49 contestants)
United States (40 contestants)
South Korea (26 contestants)
Poland (25 contestants)
Taiwan (15 contestants)
Canada (14 contestants)
Ukraine (12 contestants)
United Kingdom (11 contestants)
Australia (10 contestants)
Belarus (10 contestants)
Sweden (9 contestants)
France (8 contestants)
Singapore (8 contestants)
Romania (7 contestants)
Vietnam (7 contestants)
India (6 contestants)
Iran (6 contestants)
Netherlands (6 contestants)
Thailand (6 contestants)
Czech Republic (5 contestants)
Egypt (5 contestants)
Brazil (4 contestants)
Croatia (4 contestants)
Finland (4 contestants)
Germany (4 contestants)
Hong Kong (4 contestants)
Latvia (4 contestants)
Slovakia (4 contestants)
Bangladesh (3 contestants)
Belgium (3 contestants)
Indonesia (3 contestants)
Israel (3 contestants)
Italy (3 contestants)
Lithuania (3 contestants)
Spain (3 contestants)
Switzerland (3 contestants)
Argentina (2 contestants)
Armenia (2 contestants)
Bulgaria (2 contestants)
Colombia (2 contestants)
Hungary (2 contestants)
Kazakhstan (2 contestants)
Philippines (2 contestants)
Portugal (2 contestants)
South Africa (2 contestants)
Austria (1 contestant)
Georgia (1 contestant)
Greece (1 contestant)
Iceland (1 contestant)
Jordan (1 contestant)
New Zealand (1 contestant)
Slovenia (1 contestant)
Syria (1 contestant)