Two Sum | HashMap Pattern (opens in new tab)  📚Software Fundamentals

Problem Link: The Two Sum problem is one of the most frequently asked coding interview questions. While the brute force solution is straightforward, the real interview discussion revolves around identifying the complement pattern and optimizing it using a HashMap. Problem Statement Given an array of integers nums and an integer target, return the indices of the two numbers such that they add up to target. Example Input: nums = [2,7,11,15], target = 9 Output: [0,1] Because: nums[0] + nums[1] =...