Amazon Software Engineer interview questions

First round was a online test held by careercup at the campus. Quetions were typically same as being posted on the sites. After then there were 4 face to face interview rounds. Interview rounds are purely Technical. Concern is shown for proper coding. first interview round : 2 question were asked one from trees and other from semaphore and hash tables combined. second interview round : this round deals with real life programming.1 program related to graph was asked. 5-6 theortical questions related to networking, computer architecture was asked third round : 1 programming question related to binary tree was asked. 5-6 theorical question related to DBMS, C , object oriented design. fourth round: technical and Hr mix. 3 programming question related to stacks, backtracking and nary trees.

1. coding round 2. two rounds of phone interviews