I applied in-person. The process took 1 day. I interviewed at Amazon
Interview
I got an email asking for availability for a test. Once we agreed on date/time, they sent me one question and asked me to provide them complete working solution with run time complexity and some test cases (Including special cases).
Then then invited me for onsite interview
Interview questions [1]
Question 1
Question was so easy and could be done in 30 minutes using all built-in container in C++ STL