Amazon Software Development Engineer interview questions

First Round: (Online round with three sections) - Code debugging questions: Here they had given a small piece of code to debug - Aptitude/Reasoning/Critical Thinking questions: These were simple questions based on profit/loss, probability, basic math, sequences/series, alphabetical encoding of words etc. Coding Questions: 2 programming questions in C/C++/Java. involving binary search, DFS, job scheduling applications, etc.. Different candidates had different questions. --28 students were shortlisted for the second round-- Second Round (interviews). Mainly involved two parts: - Part 1 (Theory): He asked me about DSA, OS and code syntax questions - Part 2 (problem solving): He asked me to write down code for some basic algorithms on paper(not pseudo code). Next he checked for OOPS knowledge and approach by giving a situation and asking to design it using OOPS. Next, he asked one more DSA question on trees and optimise the algorithm, and ended with a question on DBMS.