Amazon Software Development Engineer SDE interview questions

round 0: coding round, 3 simple questions regarding linked list, tree, and array round 1 & 2: Data structure and algorithm round. round 3: it looked like design round but this was also data structure round. prepare data structures especially linked list graph and tree

First I got an email telling me to finish three rounds of online assessments. After passing all of them. I got an email saying that there will be 1 to 3 rounds of virtual interviews. The overall process is nice and speedy.