Google SWE Intern interview questions

Oa then final round 4 rounds onsite of technical interviews after an intial call with HR and you need to pass all 4 rounds to make the cut and get the offer but most dont get strong hire for all

Really hard, interviewer didn't even introduce himself and it was a leetcode hard. Wasn't able to answer the question on time and didn't pass the interview. This was the third interview in the final round of interviews. The first one was a leetcode easy and the second one was a leetcode medium