14 lines
307 B
Text
14 lines
307 B
Text
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F ncsub(seq, s = 0)
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I seq.empty
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R I s >= 3 {[[Int]()]} E [[Int]]()
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E
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V x = seq[0.<1]
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V xs = seq[1..]
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V p2 = s % 2
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V p1 = !p2
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R ncsub(xs, s + p1).map(ys -> @x + ys) [+] ncsub(xs, s + p2)
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print(ncsub(Array(1..3)))
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print(ncsub(Array(1..4)))
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print(ncsub(Array(1..5)))
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