#
# 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
#
# 
# @param nums int整型一维数组 
# @return int整型
#
class Solution:
    def findPeakElement(self , nums: List[int]) -> int:
        # write code here
        left, right = 0, len(nums) - 1
        while left < right:
            mid = (left + right) // 2
            if nums[mid] <nums[mid + 1]:
                left = mid + 1
            else:
                right = mid
        return left