Algorithm Problem Solving: Two-Sum and Three-Sum Problem

Algorithm Problem Solving: Two-Sum and Three-Sum Problem

I have started exploring Advent of Code for the year 2020. This Article explains a Algorithm Problem Solving: Two-Sum and Three-Sum Problem.

I have started exploring Advent of Code  for the year 2020. For Day 1, The scenario included writing a program to find the product of ’n’ numbers that add up to the given target sum value. So, Ideally finding those two/three elements is the key. This Article explains various ways you can achieve this.

  1. Problem Statement for Two sum Problem
  • Brute Force
  • Using Hash Maps.
  1. Problem Statement for Three sum Problem
  • Brute Force
  • Making some amendments
  • Prettifying the code in the innermost loop


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