Topics
Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times.
Example 1:
Input: nums = [3,2,3]
Output: [3]
Example 2:
Input: nums = [1]
Output: [1]
Example 3:
Input: nums = [1,2]
Output: [1,2]
Constraints:
1 <= nums.length <= 5 * 104-10^9 <= nums[i] <= 10^9
Follow up: Could you solve the problem in linear time and in O(1) space?