APAC Semifinal: What are Birds?

115 correct small sets and 78 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (169 sets)
Java (18 sets)
C (2 sets)
Pascal (2 sets)
C# (1 set)
Python (1 set)

Submission Origin

China (61 contestants)
Japan (17 contestants)
South Korea (11 contestants)
Bangladesh (6 contestants)
India (5 contestants)
Hong Kong (4 contestants)
Australia (3 contestants)
Singapore (3 contestants)
New Zealand (2 contestants)
Philippines (1 contestant)
Sri Lanka (1 contestant)
Taiwan (1 contestant)