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15 lines
330 B
Forth
15 lines
330 B
Forth
// Modules
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open System
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// Recursive definition of Fibonacci numbers
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let rec fib n =
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match n with
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| 0 -> 0
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| 1 -> 1
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| _ -> fib (n-1) + fib (n-2)
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// Read from stdin and print result
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printfn "Inserisci l'indice del numero di fibonacci che vuoi calcolare:\n"
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let i = Console.ReadLine() |> int
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printfn "%A" (fib (i))
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