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Advent of Code 2022
Edited
Dec 7, 2022
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Advent of Code 2022
Advent of Code 2022Day 1Day 2
Day 3
Day 4Day 5Day 6Day 7Day 8Day 9Day 10Day 11Day 12Day 13Day 14
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rucksacks = splitIntoLines(input)
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compartments = rucksacks.map(splitAtMiddle)
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duplicatePerCompartment = compartments.map(getFirstDuplicateFromGroup)
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priorities = duplicatePerCompartment.map(getPriority)
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totalPriority = R.sum(priorities)
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groups = R.splitEvery(3, rucksacks)
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badges = groups.map(getFirstDuplicateFromGroup)
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badgePriorities = badges.map(getPriority)
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totalBadgePriority = R.sum(badgePriorities)
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findDuplicates = (sets) => [...sets[0]].filter(x => sets.every(set => set.has(x)))
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getPriority = s => {
const code = s.charCodeAt(0)
return code >= 97 ? code - 96 : code - 64 + 26
}
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getFirstDuplicateFromGroup = R.pipe(R.map(asSet), findDuplicates, R.head)
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asSet = x => new Set(x)
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splitAtMiddle = s => R.splitAt(s.length / 2, s)
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splitIntoLines = (string) => string.trim().split('\n')
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import {adventOfCodeHeader, renderInput} from '@senritsu/advent-of-code-2022'
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R = import('ramda')
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