# 2640. Find the Score of All Prefixes of an Array ###### tags: `Leetcode` `Medium` `Prefix Sum` Link: https://leetcode.com/problems/find-the-score-of-all-prefixes-of-an-array/description/ ## Code ```python= class Solution: def findPrefixScore(self, nums: List[int]) -> List[int]: ans = [0] maxVal = 0 for i, num in enumerate(nums): maxVal = max(maxVal, num) ans.append(ans[-1]+maxVal+num) return ans[1:] ```