Google Software Engineer L3 interview questions

Painful to contact the recruiter to set up the onsite after I passed the phone screen. She would drop off and come back weeks later. The onsite was easy--a DP problem, string processing, A* search, and just a general interview. Recruiter dropped off after the onsite interview. When she came back weeks later I had passed but the hiring cycle was closed. Really annoyed at this point because I don't know if I would have gotten matched if my recruiter were more responsive.

I was given a question about finding the size of a directory of files that has a root The question was with a given id return the size of the directory which has same id