3 lines
72 B
Ruby
3 lines
72 B
Ruby
def c n, r
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(0...r).inject(1) do |m,i| (m * (n - i)) / (i + 1) end
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end
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def c n, r
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(0...r).inject(1) do |m,i| (m * (n - i)) / (i + 1) end
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end
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