题解 | #寻找峰值#

#
# 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
        L=[]
        if len(nums)==1:
            return 0
        if len(nums)==2:
            if nums[0]>nums[1]:
                return 0
            else:
                return 1
        
        if max(nums)==nums[0]:
            return 0

        length =len(nums)
        if max(nums)==nums[length-1]:

            return  length-1


        for i in range(1,len(nums)-1):
            if nums[i-1]<nums[i] and  nums[i]>nums[i+1]:
                L.append(i)
                break

        return (L[0])