26 lines
737 B
Kotlin
26 lines
737 B
Kotlin
import java.io.File
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import java.io.InputStream
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fun main(args: Array<String>) {
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val inputStream: InputStream = File("input").inputStream()
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val inputLines = inputStream.bufferedReader().use { it.readText() }.split("\n");
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var twos = 0
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var threes = 0
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for (line in inputLines) {
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var map:HashMap<Char, Int> = HashMap<Char, Int>(inputLines.size)
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for (char in line) {
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val current = map.get(char)
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map.set(char, if (current == null) 1 else current + 1)
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}
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if (2 in map.values) {
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twos++
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}
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if (3 in map.values) {
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threes++
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}
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}
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println("Doubles: " + twos)
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println("Triples: " + threes)
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println(twos * threes)
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}
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