Crafting a masterpiece
TL;DR: By using a Prefix Sum Array, you can efficiently calculate the sum of any sub-array in constant time after an initial linear-time setup. It's a simple yet powerful technique that can optimize …
freepik.comI was tasked to write an O(n) time and O(n) space complexity - where n is the length of the given input array - algorithm to solve the following problem: You are given a few non-empty arrays of integ…
Wikipedia
