You are given an array of positive integers nums and want to erase a subarray containing unique elements. The score you get by erasing the subarray is equal to the sum of its elements.
Return the maximum score you can get by erasing exactly one subarray.
\n\nAn array b is called to be a subarray of a if it forms a contiguous subsequence of a, that is, if it is equal to a[l],a[l+1],...,a[r] for some (l,r).
\n
Example 1:
\n\n\nInput: nums = [4,2,4,5,6]\nOutput: 17\nExplanation: The optimal subarray here is [2,4,5,6].\n\n\n
Example 2:
\n\n\nInput: nums = [5,2,1,2,5,2,1,2,5]\nOutput: 8\nExplanation: The optimal subarray here is [5,2,1] or [1,2,5].\n\n\n
\n
Constraints:
\n\n1 <= nums.length <= 1051 <= nums[i] <= 104给你一个正整数数组 nums ，请你从中删除一个含有 若干不同元素 的子数组。删除子数组的 得分 就是子数组各元素之 和 。
返回 只删除一个 子数组可获得的 最大得分 。
\n\n如果数组 b 是数组 a 的一个连续子序列，即如果它等于 a[l],a[l+1],...,a[r] ，那么它就是 a 的一个子数组。
\n\n
示例 1：
\n\n\n输入：nums = [4,2,4,5,6]\n输出：17\n解释：最优子数组是 [2,4,5,6]\n\n\n
示例 2：
\n\n\n输入：nums = [5,2,1,2,5,2,1,2,5]\n输出：8\n解释：最优子数组是 [5,2,1] 或 [1,2,5]\n\n\n
\n\n
提示：
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