Virtual On-site Round 1 (Coding):
- This round was a one hour scheduled coding interview with a Senior Software Engineer at Affirm. The interview commenced with a short introduction by the interviewer and me.
- Following that, the interviewer shared a CodePair link and he pasted the question description along with some sample inputs & outputs. I had the freedom to code in any programming language of my choice.
- The question asked was Insert Delete GetRandom O(1) – Duplicates Allowed.
- I was able to solve the basic question in 30 minutes. Additionally, as a follow-up he asked to implement delete function with a twist that there can be duplicates as well and the function should run in constant time O(1).
- I tried till the last minute but was not able to achieve it in O(1) and the time exhausted.
- Lastly, interviewer provided me with an opportunity to ask about any question that I might have. I asked him about few challenges he faced in his project at Affirm.
Tip: Always use the opportunity to ask the interviewer a little about his project, challenges, company’s tech stack or missions to show that you are genuinely interested in joining the company.
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