object KthSmallestFinder {
def findKthSmallestNumber(arr: Array[Int], k: Int): Int = {
arr.sorted.apply(k - 1)
}
def main(args: Array[String]): Unit = {
val arr = Array(42, 90, 21, 30, 37, 81, 45)
val k = 3
val result = findKthSmallestNumber(arr, k)
println(result) // Output: 37
}
}
/*
run:
37
*/