Game with Thor and Loki - KOTLIN

// Author : Saurav Kalsoor
// Game with Thor and Loki - JAVA

import java.util.*
import java.lang.*

var sc: Scanner = Scanner(System.`in`)

fun main() {
    val n: Int = sc.nextInt()
    val arr: ArrayList<Int> = ArrayList<Int>()
    for (i in 0 until n) {
        val input: Int = sc.nextInt()
        arr.add(input)
    }
    gameWithThorAndLoki(arr, n)
}

fun gameWithThorAndLoki(arr: ArrayList<Int>, n: Int) {
    val start = 0
    val end = n - 1
    val isThorsTurn = true
    val res: ArrayList<Int> = recurr(arr, start, end, isThorsTurn)
    println(res.get(0).toString() + " " + res.get(1))
}

fun recurr(arr: ArrayList<Int>, start: Int, end: Int, isThorsTurn: Boolean) : ArrayList<Int> {
    var start = start
    var end = end
    if (start > end) {
        val res: ArrayList<Int> = ArrayList<Int>()
        res.add(0)
        res.add(0)
        return res
    }
    val left: Int = arr.get(start)
    val right: Int = arr.get(end)
    var currThor = 0
    var currLoki = 0
    if (isThorsTurn) {
        currThor = Math.max(left, right)
        currLoki = Math.min(left, right)
    } else {
        currLoki = Math.max(left, right)
        currThor = Math.min(left, right)
    }
    start++
    end--
    val res: ArrayList<Int> = recurr(arr, start, end, !isThorsTurn)
    res.set(0, res.get(0) + currThor)
    res.set(1, res.get(1) + currLoki)
    return res
}