Amazon Software Development Engineer interview questions

It was a campus/ university hiring and process took a day. 1st round was written (20 MCQ questions + 2 coding questions).Those shortlisted after written round had 5 interview rounds ( 4 Tech + 1 HR round ) . Most of the questions were from Graphs , trees ,linked lists and some normal DP questions were also asked.

The interviewer first ask you to introduce yourself, then dive into tech questions. The first interviewer asked about writing algorithms for testing whether a tree is Binary Search Tree or not. Then the second interviewer asked about how to calculate exponential.