DSA PLACEMENT COURSE | DAY 8 | ARRAY | LEETCODE 1 | TWO SUM PROBLEM

Welcome to Day 8 of my DSA Placement Course Series! In this video, we solve LeetCode 1: Two Sum – one of the most popular and beginner-friendly problems asked in coding interviews at FAANG, Microsoft, Amazon, Google, and other top product-based companies. We cover: Brute Force approach (O(N²)) – checking all pairs Optimized approach using HashMap (O(N)) Step-by-step dry run with examples Common mistakes and how to avoid them By mastering this, you’ll strengthen your knowledge of: Arrays Hashing / HashMap usage Time & space complexity analysis Problem-solving skills for DSA interviews This problem is the foundation for many advanced array & hashing interview questions, so make sure you understand it completely! two sum leetcode solution, leetcode 1 explanation, two sum problem dsa, two sum problem leetcode in java, dsa placement course day 8, leetcode array problems, dsa interview preparation, leetcode hashing questions, two sum optimized solution, faang interview questions learnerpick lepic lepic-letscode code amazon flipkart