Master Coding Interviews : Part 2 ( Two Pointers...

If you read Part 1 of this series, you already know how a single pattern can transform a slow, brute-force solution into an elegant, optimized one. Today we're going to do the same thing — but with a different tool in our belt: the Two Pointers pattern. This one is everywhere in coding interviews. Once you recognize it, you'll start seeing it in problems you might have struggled with before. What is the Two Pointers Pattern? The idea is simple: instead of using one index to iterate through your