Amazon Software Development Engineer I (SDE I) interview questions

Interview went smoothly and they asked two coding questions . I have applied for SDE 6 months internship.First round is mcqs consisting 9 sections and one coding question. Second round is coding round in which they have given two coding questions.Next round is interview . It was conducted at Amazon campus

1st round- A few DSA questions based on trees, stacks, and behavioral questions based on Amazon 16 principles. 2nd round- Started with a quick introduction about the projects in my resume the interviewer asked only one question based on Trie's data structure. 3rd round- Unfortunately I couldn't clear 2nd round