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Prefix Sum in Java for Beginners | Placement Ready | TechPillars
24:09
YouTubeTechpillars
Prefix Sum in Java for Beginners | Placement Ready | TechPillars
Welcome to Techpillars 🚀 In this video, we will understand the Prefix Sum technique in Java — one of the most powerful tools to optimize range sum queries from O(n) to O(1). If you are preparing for coding interviews, placements, or competitive programming, Prefix Sum is a must-know concept. What you will learn in this video: • What is ...
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