LeetCode:347. Top K Frequent Elements(找出出现频率最高的K个数)
Given a non-empty array of integers, return thekmost frequent elements.Example 1:Input: nums = [1,1,1,2,2,3], k = 2Output: [1,2]Example 2:Input: nums = [1], k = 1Output: [1]Note:You ...
