Amazon Software Development Engineer interview questions

Applied online for the SDE role of AWS. OA: 105 minutes with 2 coding problems & explanations for your code. Passed all tests and skipped the phone screening round. VO: 4 rounds using Amazon Chime and Live Code whiteboard. One interviewer had a bad Internet connection and both of us needed to repeat again and again. One interviewer had little knowledge of data structure and algorithm or very poor understanding and kept asking me what the heap is. I answered 3 times and drew the graph, while the interviewer still not understood and was stuck on this question. That is hilarious. I was prepared to answer the questions of the interviewer, not to teach the interviewer. I could not imagine how a person was chosen as an interviewer for Amazon, asking about coding problems they would not solve. Solved all 4 coding problems and got a rejection on day 2 after VO with no feedback. HR said that providing feedback regarding the interview is against company policy. Their hiring process is "CONFIDENTIAL". Then I cannot say more cause I have signed the Non-Disclosure Agreement. One must not wish to get accused of leaking company confidential information for saying someone or something is stupid. So, enjoy your 400-point plummet of stock in one day with your mysterious hiring and promoting process, Amazon. Tips: Remember to TERMINATE Amazon Chime after the interview cause this software could totally mess up your internet connection and consume an incomprehensibly large amount of resources of your computer for no reason.