Given an unsorted array of integers arr and a number s, write a function findArrayQuadruplet that finds four numbers  (quadruplet) in arr that sum up to s. Your function should return an array of these numbers in an ascending  order. If such a quadruplet doesn’t exist, return an empty array.
Given an unsorted array of integers arr and a number s,
write a function findArrayQuadruplet that finds four numbers 
(quadruplet) in arr that sum up to s.
Your function should return an array of these numbers in an ascending 
order.
If such a quadruplet doesn’t exist, return an empty array.

sunilgaikwad/coderunner,sunilgaikwad/coderunner