12 lines
447 B
Factor
12 lines
447 B
Factor
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! Copyright (C) 2020 Bubbler.
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! See http://factorcode.org/license.txt for BSD license.
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USING: io io.encodings.utf8 io.files kernel math.combinatorics
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math.parser math.ranges prettyprint sequences ;
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IN: rosalind.perm
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: perm ( n -- perms length ) [ [1,b] all-permutations ] [ factorial ] bi ;
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: perm-main ( -- ) "datasets/rosalind/perm.txt" utf8 file-contents
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string>number perm . [ [ number>string ] map " " join print ] each ;
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MAIN: perm-main
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