Round 1A: Cruise Control

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

Languages

C++ (66 sets)
Python (9 sets)

Java (6 sets)
C# (4 sets)

D (1 set)
Ruby (1 set)

China (13 contestants)
United States (9 contestants)
Japan (8 contestants)
Russia (6 contestants)
Taiwan (4 contestants)
Ukraine (4 contestants)
Australia (2 contestants)
Canada (2 contestants)

Poland (2 contestants)
Slovakia (2 contestants)
Thailand (2 contestants)
Belarus (1 contestant)
Egypt (1 contestant)
Germany (1 contestant)
Hong Kong (1 contestant)
Iran (1 contestant)

Israel (1 contestant)
Lithuania (1 contestant)
Netherlands (1 contestant)
South Korea (1 contestant)
Sri Lanka (1 contestant)
United Kingdom (1 contestant)