Minimum Window Substring Explained Simply | Sliding Window Trick You Must Know This problem looks hard… until you learn the Sliding Window pattern 👀 In this video, you’ll learn how to solve the Minimum Window Substring problem step-by-step using: Sliding Window technique Two pointers Hash map optimization O(n) optimal approach This is a must-know pattern for: Coding interviews LeetCode string problems FAANG / product-based companies 💡 If you understand this, many string problems become EASY. �