747. 至少是其他数字两倍的最大数

 

 

 

 

 

 

class Solution(object):
    def dominantIndex(self, nums):
        """
        :type nums: List[int]
        :rtype: int
        """
        m = max(nums)
        for i in nums:
            if i == m:
                continue
            elif 2 * i > m:
                return -1
        return nums.index(m)


if __name__ == '__main__':
    solution = Solution()
    print(solution.dominantIndex([3, 6, 1, 0]))