royki/CodilityOddOccurrencesInArray.scala

## CodilityOddOccurrencesInArray.scala
object Solution {
   def solution(A: Array[Int]): Int = {
    val N = A.size

    if (N < 1 || N > 1000000) sys.error(s"Invalid array size: $N")

    A.foldLeft(0) { (current, i) =>
      i ^ current
    }
  }
}
	object Solution {
	def solution(A: Array[Int]): Int = {
	val N = A.size

	if (N < 1 \|\| N > 1000000) sys.error(s"Invalid array size: $N")

	A.foldLeft(0) { (current, i) =>
	i ^ current
	}
	}
	}