Duolingo

The OA was very challenging, and the questions involved the use of priority queues, hashmaps, and depth-first search. I had 90 minutes to complete the two problems. Both problems were extremely difficult.

1 round HR chat, 1 round pair coding. After I reviewed the question, it was actually not very difficult, but I was nervous in the interview. I finally worked out the result as expected but still failed in this round. Sad.

Straightforward OA and LC questions. Standard Codesignal General Coding Assessment. As for LC, just basic graph traversals and string/array manipulation should be enough. Behavioral was a little short though, so didn't get to share much. Overall,