Help Meera - KOTLIN

package com.company

import java.util.*

fun main() {
    val sc = Scanner(System.`in`)
    val n = sc.nextInt()
    val coins = Array(2) { IntArray(n) }
    for (i in 0..1) {
        for (j in 0 until n) coins[i][j] = sc.nextInt()
    }
    println(helpMeera(coins, n))
}

fun helpMeera(coins: Array<IntArray>, n: Int): Int {
    val top = IntArray(n)
    val bottom = IntArray(n)
    top[0] = coins[0][0]
    bottom[n - 1] = coins[1][n - 1]
    for (i in 1 until n)
        top[i] = top[i - 1] + coins[0][i]
    for (i in n - 2 downTo 0)
        bottom[i] = bottom[i + 1] + coins[1][i]
    var result = 0
    for (i in 0 until n) {
        result = Math.max(result, top[i] + bottom[i])
    }
    return result
}