Terrible interview process.

I was told to do an OA where they asked a couple of HackerRank questions that were related to what they do, which was nice. Upon completion, they took a long time to reply and eventually told me that I had not completed the OA, even though I did.

I showed them that I had indeed submitted it, and they then admitted it was a mistake on their end. They then said they'd get back to me and never did. I sent them a message asking for updates, to no response. I emailed them again a week later, and they then told me I was not selected.

Overall, very poor communication on their end.

Traversing a file tree and similar data structure questions