Count Odd Digits - KOTLIN

package com.company

import java.util.*

fun main() {
    val sc = Scanner(System.`in`)
    val n = sc.nextInt()
    val list = ArrayList<Int>()
    for (i in 0 until n) {
        val num = sc.nextInt()
        list.add(num)
    }
    println(countOddDigitNumbers(list, n))
}

fun countOddDigitNumbers(list: ArrayList<Int>, n: Int): Int {
    var count = 0
    for (num in list) {
        if (hasOddDigits(num))
            count++
    }
    return count
}

fun hasOddDigits(n: Int): Boolean {
    var num = n
    var digits = 0
    while (num > 0) {
        digits++
        num /= 10
    }
    return digits % 2 == 1
}