Algorithm design: three passes or a running top-3 approach — IITM BS previous year questions

Algorithm design: three passes or a running top-3 approach is part of Three Prizes Problem - Case Study, Week 3 in Computational Thinking. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.