Find Power - KOTLIN

package com.company

import java.util.*


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


fun findPower(power: IntArray, n: Int): Int {
    val pq = PriorityQueue(Collections.reverseOrder<Int>())
    for (a in power)
        pq.add(a)
    while (pq.size > 1) {
        val a = pq.poll()
        val b = pq.poll()
        if (a == b) pq.add(a) else pq.add((a + b) / 4)
    }
    return pq.poll()
}