题目描述

blablabla

样例

blablabla

算法1

(暴力枚举) $O(n^2)$

blablabla

时间复杂度分析：blablabla

P 代码

class Solution(object):
    def moreThanHalfNum_Solution(self, nums):
        """
        :type nums: List[int]
        :rtype: int
        """
        if not nums:
            return 
        if len(nums) == 1:
            return nums[0]

        res = nums[0]
        n = 1
        for i in range(1, len(nums)):
            if nums[i] == res:
                n += 1
            else:
                n -= 1
            if n <= 0:
                res = nums[i]
                n = 1

        return res