Amazon SDE I Intern interview questions

The interview consists of 3 online tests (6 hours in total) and 2 on-site interviews (45 mins each). These interviews cover anything from basic computer science concepts to data structures and algorithms related questions.

There were one online coding rounds consists of two coding questions . I'd solved both the questions. After 2 weeks , I got mail for interview at their office . There were 2 rounds of interview . Each round consists of 2 to 4 problems , you need to write the optimized code on the paper .