Amazon SDE-2 interview questions

1. OA- 2 custom sorting of pairs of vector based questions. medium and system design scenario based MCOs 2. phone screening round: Kahn/topological sorting and stream of characters type question. Loop in rounds: 1. "Design package locker for Amazon delivery partner" was the only sentence, you are supposed to ask all clarifying questions. it was LLD + DSA. 2. sort colors and first missing positive. 3. max height stack using cuboid + first multiple of a number which is made up of only 0s and 1s,ex: first multiple of 3 is 10. 4.system design: payment system for e commerce "place order" system. 5.Bar raiser: chess board low level design