34 lines
837 B
Factor
34 lines
837 B
Factor
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! Copyright (C) 2024 Julien (adyxax) Dessaux.
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! See https://git.adyxax.org/adyxax/advent-of-code/tree/LICENSE for EUPL license.
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USING: assocs io io.encodings.utf8 io.files kernel math math.parser
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math.statistics namespaces prettyprint sequences sorting splitting ;
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IN: aoc.2024.01
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<PRIVATE
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: load_input ( filename -- array array )
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"~/git/adyxax/aoc/2024/01-Historian_Hysteria/"
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swap append utf8 file-lines
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[ split-words harvest ] map unzip
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[ [ string>number ] map ] bi@ ;
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: part1 ( filename -- n )
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load_input
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[ sort ] bi@
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[ - abs ] 2map
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sum ;
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: part2 ( filename -- n )
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load_input
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histogram ! turns an array into a hashtable of { value occurrences }
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'[ dup _ at 0 or * ] map
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sum ;
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PRIVATE>
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: aoc202401 ( -- )
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"input" part1 pprint nl
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"input" part2 pprint nl ;
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MAIN: aoc202401
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