921 Minimum Add to Make Parentheses Valid

############################# Video Source: www.youtube.com/watch?v=UKIN1V-KL4M

Welcome to the solution video for today's LeetCode challenge! In this walkthrough, we’ll tackle the problem in a single pass, without relying on a stack, while achieving top-notch efficiency. It’s a perfect blend of simplicity and power, designed to give you that much-needed morning boost to kickstart your day! • So, grab your coffee, sit back, and dive into the solution. 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