6 lines
185 B
Ruby
6 lines
185 B
Ruby
def a(k, x1, x2, x3, x4, x5)
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b = lambda { k -= 1; a(k, b, x1, x2, x3, x4) }
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k <= 0 ? x4[] + x5[] : b[]
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end
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puts a(10, lambda {1}, lambda {-1}, lambda {-1}, lambda {1}, lambda {0})
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