Question

How to check whether an array is subset of another array in Scala

Answer 1

object SubsetCheck {
  def isSubset(arr1: Array[Int], arr2: Array[Int]): Boolean = {
    arr2.forall(arr1.contains)
  }

  def main(args: Array[String]): Unit = {
    val arr1 = Array(5, 1, 8, 12, 40, 7, 9, 100)
    val arr2 = Array(8, 40, 9, 1)

    if (isSubset(arr1, arr2))
      println("yes")
    else
      println("no")
  }
}



/*
run:

yes

*/

 

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