On: Sphere Online Judge

[xxxyy]

While we are at it, does anyone have a good explanation for the following fact:

o before 1990, the US won every single ACM ICPC contest;

o between 1990-2000 it won 4 times;

o since 2000 it is Russia+China+Poland total domination.

http://en.wikipedia.org/wiki/ACM_International_Collegiate_Pr...