Hackerrank – Reverse a list

17. October 2015 Pavol PidaničComments are off for this post.

Problem Statement
A description of the problem can be found on Hackerrank.

Solution

object ReverseList extends App {
  def f(arr: List[Int]): List[Int] =
    (arr.foldLeft(List.empty[Int])((list, e) => e :: list))
}

object ReverseList extends App {

def f(arr: List[Int]): List[Int] =

(arr.foldLeft(List.empty[Int])((list, e) => e :: list))

}

Solution also available on my GitHub.