152. Find Top k Elements

JavaScriptAlgorithm

medium  - accepted / - tried

Given an unsorted array of integers which might have duplicates, return the top k integers in non-ascending order.

topK([1,10,8,9,10,2,3,4,8,8,6], 4)

What is the time & space cost of your code ? Could you do better ?

Always try to find a better approach.