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Solution: Split Array Into Two Arrays to Minimize Sum Difference

Explore how to minimize the absolute sum difference by dividing an array into two equal-sized subarrays. Understand how to combine binary search with the meet-in-the-middle approach to find optimal partitions without exhaustive search, improving time and space efficiency on challenging coding problems.

Statement

You are given an integer array, nums, consisting of 2n2 * n elements.

Your task is to divide the array into two subarrays of length nn, such that each element in nums belongs to exactly one of the two subarrays, and the absolute difference between their sum is minimized.

Return the minimum possible absolute difference between the sum of the two subarrays.

Constraints: ...