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