On-campus interview at university, then Redmond.

The interviewer disregarded groups I was interested in and had me interview with a group unrelated to what I had specified.

The campus interview was straightforward.

The Redmond interview was difficult, but I was only starting my sophomore year at the time and had little programming experience.

There were two one-on-one interviews with senior managers.

I had bad chemistry with one interviewer, and their "claws came out" during the questions.

The whiteboard was small, and the interview room was small.

One interviewer typed on their laptop the whole time.

I felt uncomfortable and didn't like it there.

You have a balance scale and 9 balls, one of which weighs less than the others. How many times must you use the balance scale to find the lightest ball?

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String matching, Unicode