Amazon Software Development Engineer interview questions

Applied online through the local campus career center. Initially was supposed to have an on-campus interview although due to extenuating circumstances, some of these interviews were canceled. Spoke with recruiting and was later scheduled for two phone interviews scheduled. The hiring process consisted of two back-to-back interviews each 45 minutes in length. The first interviewer was straight down to business and asked me some programming questions while the second one took some time to answer any questions I had about the company before asking me some programming as well as design and behavioral questions. Both interviewers were courteous and gave me the time I needed to solve the presented problems. One piece of advice I would offer is to verbalize your thoughts when attempting to solve a problem so that the interviewers can get a feel for your thought process and nudge you in the right direction if you are a little stumped on a particular question.

I have a file containing below matrix information: 3 3 2 0 0 0 0 0 3 0 0 First row represents order of Matrix. 2 -- Start Point 3 -- End point 0 -- a city to be visited 1 -- a city you have no access Find all possible ways to go from start to end city visiting all 0 nodes and avoiding all 1 nodes. In this case the possible solution is 2