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Problem: Product of Array Except Self

Explore how to compute the product of all elements in an integer array except the current index without using division. Learn to implement an O(n) time and O(1) extra space solution in Go, using prefix and suffix product techniques to solve this common array problem efficiently.

Statement

Given an integer array nums, return an array answer where answer[i] represents the product of all elements in nums except nums[i].

You must design an algorithm that operates in O(n)O(n) time complexity and does not use the division operation.

Note: The product of any prefix or suffix of nums is guaranteed to fit in a 3232-bit integer.

Constraints:

  • 22 \leq ...