Prefix Sum Fundamentals | Arrays, Suffix & Range Sum
Автор: CodeQuotient
Загружено: 2026-01-22
Просмотров: 26
Описание:
This video covers the Prefix Sum pattern and explains how to calculate prefix sums using a simple recurrence relation.
• Explains the Prefix Sum pattern and how to compute prefix sums using a recurrence relation
• Covers suffix sum calculation using prefix sums
• Demonstrates range sum queries (L to R) with clear examples for efficient computation
Timestamp
00:00 Introduction to Prefix Sum
02:16 Concept of Prefix Sum
04:40 Example
06:00 Suffix Sum Using Prefix Sum
08:28 Example
11:44 Concept of Range Sum
14:26 Example
Prefix Sum, Prefix Sum Algorithm, Data Structures And Algorithms, DSA Tutorial, Range Query, Cumulative Sum, Prefix Sum Concept, Prefix Sum Edge Cases, Prefix Sum Examples, Coding Tutorial, Beginner DSA, Competitive Programming, Interview Preparation
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