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Mastering Subarray Sum Equals K – LeetCode #560
Problem Statement:
Given an integer array nums and an integer k, return the total number of continuous subarrays whose sum equals k.
This is a popular problem that tests your ability to work with subarrays efficiently, making it a must-know for coding interviews. Let’s explore its solutions, from basic to optimal.
🌟Acces Alert🌟
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Visualized Explanation
Understanding this problem can be tricky without proper visualization. To make it easier, I’ve created a detailed visual explanation video on my YouTube channel. In this video, I cover:
• Dry runs of both approaches.
• Clear step-by-step visuals to understand how prefix sums and the HashMap work.
• Insights into optimizing your code for real-world applications.
📺 Watch the video here:
