Prefix Sum Explained | DSA Tutorial + LeetCode Problem
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YouTubeAlgo Strive
Prefix Sum Explained | DSA Tutorial + LeetCode Problem
In this video, we’ll learn the Prefix Sum technique in Data Structures and Algorithms (DSA) with a simple explanation and coding example. Prefix Sum is a powerful approach to solve range sum queries and subarray problems efficiently. We’ll also solve a popular LeetCode problem (560. Subarray Sum Equals K) using Prefix Sum + HashMap to ...
146 views3 months ago
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