Round 2: A Digging Problem

193 correct small sets and 70 correct large sets. View problem statement or contest analysis.

Languages

C++ (186 sets)
Java (40 sets)
C# (15 sets)

Python (12 sets)
C (4 sets)
Haskell (3 sets)

OCaml (1 set)
Pascal (1 set)
Scala (1 set)

Russia (36 contestants)
China (19 contestants)
Japan (16 contestants)
United States (15 contestants)
Ukraine (11 contestants)
Poland (10 contestants)
South Korea (7 contestants)
Belarus (6 contestants)
Bulgaria (6 contestants)
Brazil (5 contestants)
Netherlands (5 contestants)
Croatia (3 contestants)
Finland (3 contestants)
Germany (3 contestants)

Indonesia (3 contestants)
Latvia (3 contestants)
Lithuania (3 contestants)
Portugal (3 contestants)
Sweden (3 contestants)
Austria (2 contestants)
Canada (2 contestants)
Egypt (2 contestants)
France (2 contestants)
Hong Kong (2 contestants)
India (2 contestants)
Kyrgyzstan (2 contestants)
Romania (2 contestants)
Slovakia (2 contestants)

South Africa (2 contestants)
Venezuela (2 contestants)
Australia (1 contestant)
Belgium (1 contestant)
Hungary (1 contestant)
Israel (1 contestant)
Italy (1 contestant)
Kazakhstan (1 contestant)
Malaysia (1 contestant)
Spain (1 contestant)
Taiwan (1 contestant)
Thailand (1 contestant)
Vietnam (1 contestant)