World Final: Letter Stamper

20 correct small sets and 5 correct large sets. View problem statement or contest analysis.

Languages

C++ (16 sets)

Java (8 sets)

Python (1 set)

Submission Origin

Russia (6 contestants)
Poland (5 contestants)
Japan (2 contestants)

Ukraine (2 contestants)
Belarus (1 contestant)
China (1 contestant)

Lithuania (1 contestant)
Netherlands (1 contestant)
United Kingdom (1 contestant)