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 (59 solutions by 22 contestants):
Round 1A (8 solutions by 4 contestants):
Round 1C (4 solutions by 2 contestants):

Submission Origin

United States (7 contestants)
France (4 contestants)
China (2 contestants)
United Kingdom (1 contestant)
Taiwan (1 contestant)
Syria (1 contestant)
South Africa (1 contestant)
Russia (1 contestant)
India (1 contestant)
Hungary (1 contestant)
Brazil (1 contestant)
Austria (1 contestant)