Class Pair

kotlin/Heaps/KMostFrequentStringsMaxHeap.kt:3–3

import java.util.PriorityQueue

data class Pair(val str: String, val freq: Int)

fun kMostFrequentStringsMaxHeap(strs: List<String>, k: Int): List<String> {
    // We use 'groupingBy' to create a hash map that counts the frequency