Round 3: Good News and Bad News

179 correct small sets and 142 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (273 sets)
Java (28 sets)
Python (13 sets)
D (2 sets)
Kotlin (2 sets)
Rust (2 sets)
C# (1 set)

Submission Origin

Russia (43 contestants)
Japan (18 contestants)
China (16 contestants)
South Korea (11 contestants)
Poland (9 contestants)
United States (9 contestants)
Belarus (6 contestants)
Canada (6 contestants)
Sweden (5 contestants)
Taiwan (5 contestants)
Ukraine (5 contestants)
Germany (4 contestants)
Brazil (3 contestants)
Iran (3 contestants)
Netherlands (3 contestants)
Australia (2 contestants)
Bulgaria (2 contestants)
Czech Republic (2 contestants)
France (2 contestants)
Hong Kong (2 contestants)
India (2 contestants)
Italy (2 contestants)
Latvia (2 contestants)
Romania (2 contestants)
Slovakia (2 contestants)
Thailand (2 contestants)
Croatia (1 contestant)
Georgia (1 contestant)
Hungary (1 contestant)
Indonesia (1 contestant)
Lithuania (1 contestant)
New Zealand (1 contestant)
Philippines (1 contestant)
South Africa (1 contestant)
Spain (1 contestant)
Switzerland (1 contestant)
Vietnam (1 contestant)