Paste: aoc 10

Author: Kren/chunes
Mode: factor
Date: Sat, 10 Dec 2022 09:52:49
Plain Text | 
USING: assocs grouping io io.encodings.ascii io.files kernel
literals math math.functions math.parser math.statistics
math.vectors pair-rocket prettyprint sequences splitting.extras ;
IN: aoc2022.day10

CONSTANT: input $[
    "vocab:aoc2022/day10/input.txt" ascii file-contents
    "\n " split-harvest
    { "noop" => "0" "addx" => "0" } substitute
    [ dec> ] map 1 prefix cum-sum
]

: part1 ( -- )
    { 20 60 100 140 180 220 } dup 1 v-n input nths vdot . ;

: part2 ( -- )
    input 240 <iota> [ 40 mod - [-1,1]? 35 46 ? ] 2map 40 group
    [ print ] each ;

: day10 ( -- ) part1 part2 ;

MAIN: day10

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