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🎄Advent of Code - Day 4 ✨ part 2

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Denis-Cosmin Nutiu 2023-12-04 18:33:35 +02:00
parent 4d35c85ea7
commit eb3c41807d
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src/main/kotlin/AdventOfCode2023/day4/Scratchcards.kt
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@ -46,6 +46,6 @@ class Scratchcards : Puzzle("2023", "4") {
val parts = card.split("|")
val cleanParts = parts[1].split(Regex("\\s")).filter { it != "" }.toSet()
val winningNumbers = parts[0].split(":")[1].split(Regex("\\s")).filter { it != "" }.toSet()
return winningNumbers.filter { number -> cleanParts.contains(number) }.count()
return winningNumbers.count { number -> cleanParts.contains(number) }
}
}