Language Details: OCaml

OCaml is a general purpose industrial-strength programming language with an emphasis on expressiveness and safety.

Official website (see also: Wikipedia article)
Code Jam 2009 Contestants using OCaml
Qualification Round
Used in 37 solutions by 11 contestants:
Round 1A
Used in 6 solutions by 3 contestants:
Round 1B
Used in 2 solutions by 1 contestants:
Round 1C
Used in 5 solutions by 2 contestants:
Round 2
Used in 6 solutions by 2 contestants:
Round 3
Used in 1 solutions by 1 contestants:

Submission Origin

France (4 contestants)
Japan (3 contestants)
Ukraine (2 contestants)
Greece (1 contestant)
United Kingdom (1 contestant)