Round 2: A Digging Problem

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

Compact solutions

Solved in...

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)

Submission Origin

Russia (36 contestants)
United States (26 contestants)
China (16 contestants)
Japan (15 contestants)
Poland (10 contestants)
Ukraine (9 contestants)
Belarus (6 contestants)
Bulgaria (6 contestants)
Brazil (5 contestants)
Netherlands (5 contestants)
South Korea (5 contestants)
United Kingdom (5 contestants)
Germany (4 contestants)
Croatia (3 contestants)
Finland (3 contestants)
Hong Kong (3 contestants)
Latvia (3 contestants)
Portugal (3 contestants)
Sweden (3 contestants)
Austria (2 contestants)
Canada (2 contestants)
Egypt (2 contestants)
France (2 contestants)
Lithuania (2 contestants)
Singapore (2 contestants)
Slovakia (2 contestants)
Venezuela (2 contestants)
Belgium (1 contestant)
Denmark (1 contestant)
Hungary (1 contestant)
India (1 contestant)
Indonesia (1 contestant)
Israel (1 contestant)
Italy (1 contestant)
Kazakhstan (1 contestant)
Romania (1 contestant)
Spain (1 contestant)
Switzerland (1 contestant)