TOP K Frequent elements in an unsorted array | Revo
Given an unsorted array, count its frequency, output its top k frequent elements
Use HashMap + TreeMap with customized comparator
Use HashMap + MinHeap with customized comparator
Read full article from TOP K Frequent elements in an unsorted array | Revo
Given an unsorted array, count its frequency, output its top k frequent elements
Use HashMap + TreeMap with customized comparator
Use HashMap + MinHeap with customized comparator