Amazon SDE Intern interview questions

2 oa and 1 round technical interview, behaviour round conducted along with assessment. Only Dsa was asked in interview.1st Oa conducted on hackerank with mcq and code ,2nd was code and behavioral question.

Interviewer gave his introduction, asked for my intoduction, and asked 2 DSA questions . First one was K closest element and second one was generate all valid parenthesis. I was able to solve both but didnt handled some edge cases which he pointed out after i dry run the code.