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DIY: Maximum Sum of Three Non-Overlapping Arrays

Explore how to solve the problem of finding three non overlapping subarrays each of size k that yield the maximum total sum from an integer array. Learn to return the starting indices of these subarrays while ensuring you select the lexicographically smallest solution when there are multiple answers. This lesson helps you apply array manipulation and optimization strategies relevant to real coding interviews.

Problem statement

In this challenge, you are given an array of integers as input. Your task is to find three non-overlapping subarrays of the given array that have the maximum sum. The subarray should be of size ...