31 lines
900 B
Kotlin
Executable File
31 lines
900 B
Kotlin
Executable File
#!/usr/bin/env kotlin
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import java.io.File
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import java.util.Scanner
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val scanner = Scanner(System.`in`)
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var partOneSum = 0
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var partTwoSum = 0
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var doState = true
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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val regex = Regex("(mul\\((\\d+),(\\d+)\\))|(do\\(\\))|(don't\\(\\))")
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val match = regex.findAll(line)
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for (matchResult in match) {
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if (matchResult.value == "don't()") {
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doState = false
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} else if (matchResult.value == "do()") {
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doState = true
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} else {
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val (a, b, c) = matchResult.destructured
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val factorOne = b.toInt()
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val factorTwo = c.toInt()
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partOneSum += factorOne * factorTwo
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if (doState) {
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partTwoSum += factorOne * factorTwo
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}
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}
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}
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}
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println("Part One Sum: $partOneSum")
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println("Part Two Sum: $partTwoSum") |