The application process involved an online application, followed by a phone technical interview and an on-site interview. The on-site interview included 2-3 personal questions and a technical problem, which was the most significant part.

Both interviews, the phone and on-site, lasted approximately one hour. This duration is likely expected for an internship interview.

Questions focused mainly on algorithms and implementation. The format utilized the HackerRank workspace for technical problems, followed by explanations of the solutions.

Given a browser history (initially empty), you have two operations to perform:

1. Add a link (as a string) to the history.
2. Display the last k distinct visited links.

Example: If the history is ('c', 'a', 'b', 'a', 'a') and there is a query operation with k=2, ('a', 'b') must be displayed.