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zsteva/aoc-2024-day1.js

Last active December 15, 2024 15:33
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advent of code 2024 day 1 // javascript console
Raw
aoc-2024-day1.js
// part 1
list1 = getInput().splitNL().splitCOL().nums().column(0).toSortedNUM();
list2 = getInput().splitNL().splitCOL().nums().column(1).toSortedNUM();
zip(list1, list2).map(([a1, a2]) => Math.abs(a1-a2)).sum();
// result 1651298
// part 2
list1 = getInput().splitNL().splitCOL().nums().column(0);
list2 = getInput().splitNL().splitCOL().nums().column(1);
list1.map((a1) => ([a1, list2.countNUM(a1)])).map((e) => e.product()).sum();
// result 21306195
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