Leetcode Problem 1755. Closest Subsequence Sum

1755. Closest Subsequence Sum

Leetcode Solutions

Split the array into two halves.
Generate all possible sums of subsequences for the first half and store them in a list.
Generate all possible sums of subsequences for the second half and store them in a list.
Sort the list of sums from the second half.
Initialize a variable to keep track of the minimum absolute difference.
For each sum in the first half, calculate the remaining sum needed to reach the goal.
Use binary search to find the closest sum in the second half to the remaining sum.
Update the minimum absolute difference if a closer sum is found.
Return the minimum absolute difference after considering all sums.

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