Language Details: R

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R is a free software environment for statistical computing and graphics.

Official website (see also: Wikipedia article)

Problems solved

Qualification Round (9 solutions by 7 contestants):
Round 1A (6 solutions by 2 contestants):
Round 1B (2 solutions by 1 contestant):

Submission Origin

United States (3 contestants)
China (1 contestant)
Estonia (1 contestant)
Hungary (1 contestant)
India (1 contestant)
Spain (1 contestant)