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18 lines
398 B
Plaintext
18 lines
398 B
Plaintext
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/* fibonacci sequence */
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/**
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* fib(n): calculate the fibonacci sequence.
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* @input n the number to calculate fibonacci for
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* @result the value of the fibonacci sequence for the number
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*/
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fib = { n in
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if n == 0 // if n is zero, return zero
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then 0
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else if n == 1 // if n is one, return one
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then 1
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else fib(n - 1) + fib(n - 2)
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}
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// result of fib(20)
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result = fib(20)
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println(result)
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