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34 lines
776 B
Scala
34 lines
776 B
Scala
import scala.io.StdIn.readLine
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case class Claim(id: Int, x: Int, y: Int, w: Int, h: Int) {
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val xe: Int = x + (w - 1)
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val ye: Int = y + (h - 1)
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def getSquares: Seq[(Int, Int)] =
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for {
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xi <- x to xe
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yi <- y to ye
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} yield (xi, yi)
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}
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object Claim {
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def apply(input: String): Claim =
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"#(\\d+) @ (\\d+),(\\d+): (\\d+)x(\\d+)".r.findFirstMatchIn(input).map {
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m => Claim(m.group(1).toInt, m.group(2).toInt, m.group(3).toInt, m.group(4).toInt, m.group(5).toInt)
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}.get
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}
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val input = Iterator
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.continually(readLine)
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.takeWhile(_ != null)
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.map(Claim.apply)
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val res = input
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.flatMap(_.getSquares)
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.foldLeft(Map.empty[(Int, Int), Int]) {
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(acc, sq) => acc + (sq -> (acc.getOrElse(sq, 0) + 1))
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}
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.count(_._2 > 1)
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println(res)
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