DSA-1 Week 5 Lecture 1 | Part 4: Pivot Balance, Java Scan and Guided Cases

DSA-1 (26SC1203E) | Module 3 | Week 5 | Lecture 1 | Part 4 of 6 Instructor: Dr. N. Chaitanya Kumar Pivot Balance, Java Scan and Guided Cases. Follow the talking text, build prefixes with an empty initial entry, derive inclusive range subtraction, exclude the pivot value from both sides, and define half-open PulseLog queries on immutable snapshots. Check endpoints, numeric bounds and preprocessing costs. Pause for guided activities as instructed. Local Svaracraft M1 narration, timed pen annotations and English captions. Chapters 00:00 Pivot meaning and exclusion 01:19 Java running left sum and pivot trace 02:43 Guided edge and singleton pivots Watch in part order, 1–6. #DataStructures #Algorithms #Java