229. Majority Element II

class Solution(object):
    def majorityElement(self, nums):
        """
        :type nums: List[int]
        :rtype: List[int]
        """
        t = len(nums) / 3

        return [n for n in set(sorted(nums)[t::max(t,1)]) if nums.count(n) > t]

找出超过3个数的元素