The brute force approach is straightforward. We simply evaluate the sum of all possible subarrays and keep track of the maximum sum encountered during the evaluations. The outer loop will determine ...
is [4, -1, 2, 1], so the maximum subarray sum is 6. Kadane's algorithm is a simple dynamic programming algorithm that solves the maximum subarray sum problem in O(n) time and O(1) space.
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