I initially spoke with Workday at a college career fair. They mentioned they would be conducting on-campus interviews the following day.

During the on-campus interview, I met with a very friendly and approachable software engineer. They asked many behavioral questions about my previous experiences and motivations for majoring in computer science, which is typical.

I was asked one coding question, for which I was allowed to use my preferred programming language. The question was not overly challenging or unexpected.

After about 45 minutes of discussion, the interview concluded.

Three weeks later, I received a personal call extending an offer.

Return the index of the first non-repeating character in a string.