World Finals: Symmetric Trees

22 correct small sets and 15 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (29 sets)
Java (7 sets)
D (1 set)

Submission Origin

Russia (5 contestants)
Belarus (4 contestants)
Japan (3 contestants)
Ukraine (2 contestants)
Brazil (1 contestant)
Bulgaria (1 contestant)
China (1 contestant)
Czech Republic (1 contestant)
Poland (1 contestant)
South Korea (1 contestant)
Taiwan (1 contestant)
United States (1 contestant)