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  1. object Main extends App {
  2.   case class Field(sizeX: Int, sizeY: Int, points: Set[(Int, Int)]) {
  3.     def mkString: String = {
  4.       val data = for (x <- 0 until sizeX) yield
  5.         for (y <- 0 until sizeY) yield
  6.           if (points.contains(x -> y)) '\u25A0' else '\u25A1'
  7.       data.map(_.mkString).mkString("\n")
  8.     }
  9.   }
  10.  
  11.   println(Field(10, 10, Set(0 -> 1, 4 -> 5)).mkString)
  12. }
Success #stdin #stdout 0.39s 322496KB
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https://ideone.com/82czsE
language:
Scala (scala 2.12.8)
created:
8 years ago
visibility:
public

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