9 lines
137 B
Groovy
9 lines
137 B
Groovy
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def rFib
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rFib = {
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it == 0 ? 0
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: it == 1 ? 1
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: it > 1 ? rFib(it-1) + rFib(it-2)
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/*it < 0*/: rFib(it+2) - rFib(it+1)
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}
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