Amazon Software Development Engineer interview questions

It was very good, technical and leadership principle questions was quite tough. it was suppose to be for for 5 hours but luckily it came for me for an hour including coding question.

(Palo Alto, CA) 3 problem coding assessment 2 phone screens ------ failed here onsite Actually the worst interview process and interviewers I've had ever. Recruiter Process: Recruiter calls randomly with no heads up instead of replying to emails. The emails have copy pasted lines of different font and colors so there was clearly no effort put there. There is a huge lack of communication on what to expect and next steps from the recruiter. Interview Process: 1. Interviewers love to ask 30 min worth of LP questions. 2. 20 min LC medium. One of my interviewers did not even know the solution to the problem I was working on. I don't feel she truly understood the problem below after she put her own twist on it (More on this below). Both my interviewers also had thick accents and it was difficult for me to understand what they were saying without asking for a few repeats. LC Medium: Boundary of Binary Tree (20 min) Do not print the boundary node if it is an inner node even if it is on the boundary... Apparently I didn't understand that when she told me boundary and I walked through my example. ____1_____ / \ 2 3 \ / 5 6 / \ / \ 7 8 9 10 Ouput: [1,2,7,8,9,10,3] I solved the problem with 3 passes, she asked me to then revise with 1. I created a map and stack for left/right with BFS (interviewer suggestion over DFS). I started testing code and when I was done, interviewer said "Not sure..I need to run it and check if it works" lol. How did she manage to pass the interviews if she needs a compiler to confirm the solution? Talk about double standards..