2025-08-24 12:35:22 +0000 UTC

class Solution:
    def sumOfGoodNumbers(self, nums: List[int], k: int) -> int:
        res, n = 0, len(nums)
        for i in range(n):
            left, right, cur = -1, -1, nums[i]
            if i - k >= 0:
                left = nums[i - k]
            if i + k < n:
                right = nums[i + k]
            if left < cur > right:
                res += cur
        return res