Round 3: Are We Lost Yet?

85 correct small sets and 23 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (80 sets)
Java (24 sets)
C (2 sets)
C# (1 set)
D (1 set)

Submission Origin

Russia (20 contestants)
China (10 contestants)
Japan (9 contestants)
Poland (9 contestants)
Belarus (8 contestants)
United States (5 contestants)
Netherlands (4 contestants)
Ukraine (3 contestants)
Germany (2 contestants)
Taiwan (2 contestants)
Belgium (1 contestant)
Bulgaria (1 contestant)
Canada (1 contestant)
Croatia (1 contestant)
Czech Republic (1 contestant)
Georgia (1 contestant)
Hong Kong (1 contestant)
Indonesia (1 contestant)
Philippines (1 contestant)
Slovakia (1 contestant)
South Africa (1 contestant)
South Korea (1 contestant)
Vietnam (1 contestant)