16 lines
424 B
Factor
16 lines
424 B
Factor
! Copyright (C) 2020 Bubbler.
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! See http://factorcode.org/license.txt for BSD license.
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USING: fry io.encodings.utf8 io.files kernel math math.parser
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prettyprint sequences splitting ;
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IN: rosalind.fib
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: fib ( n k -- ans )
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[ 1 1 ] 2dip [ 1 - ] dip
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'[ [ _ * + ] [ drop ] 2bi ] times nip ;
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: fib-main ( -- ) "datasets/rosalind/fib.txt" utf8 file-contents
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" " split [ string>number ] map first2
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fib . ;
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MAIN: fib-main
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