Language Details: Erlang

Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability.

Official website (see also: Wikipedia article)
Code Jam 2012 Contestants using Erlang
Qualification Round
Used in 22 solutions by 7 contestants:
Round 1A
Used in 3 solutions by 2 contestants:
Round 1B
Used in 5 solutions by 2 contestants:

Submission Origin

United Kingdom (2 contestants)
China (1 contestant)
Greece (1 contestant)
Philippines (1 contestant)
Russia (1 contestant)
Sweden (1 contestant)
United States (1 contestant)