Min Moves - KOTLIN

package com.company

import java.util.*


fun main() {
    val sc = Scanner(System.`in`)
    val n = sc.nextInt()
    val array = IntArray(n)
    for (i in 0 until n) {
        array[i] = sc.nextInt()
    }
    println(minMoves(array, n))
}

fun minMoves(array: IntArray, n: Int): Int {
    var moves = 0
    for (i in 1 until n) {
        if (array[i] < array[i - 1]) {
            moves += array[i - 1] - array[i]
            array[i] = array[i - 1]
        }
    }
    return moves
}