Given an array nums of size n, return the majority element.
The majority element is the element that appears more than ⌊n / 2⌋ times. You may assume that the majority element always exists in the array.
n == nums.length1 <= n <= 5 * 10^4-10^9 <= nums[i] <= 10^9nums = [3,2,3]3nums = [2,2,1,1,1,2,2]2