mediumArraysPattern: Kadane's / Prefix Sum
Maximum Prefix Subarray Sum Solution
Problem Statement
You are given an array of integers `arr` and a prefix array `prefix`. Find the maximum sum of a subarray that starts with the given prefix.
Constraints
- 1 <= array.length <= 10^5
- -10^4 <= array[i] <= 10^4
- 1 <= prefix.length <= 10^5
- The prefix is a contiguous subarray of the given array
Time: O(N) Space: O(1)
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