5 lines
183 B
Ruby
5 lines
183 B
Ruby
def comb(m, n)
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(0...n).to_a.combination(m).to_a
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end
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comb(3, 5) # => [[0, 1, 2], [0, 1, 3], [0, 1, 4], [0, 2, 3], [0, 2, 4], [0, 3, 4], [1, 2, 3], [1, 2, 4], [1, 3, 4], [2, 3, 4]]
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