It was a phone coding challenge—no IDE or development platform was available.

It was an unscheduled interview where the interviewer called me out of the blue one day.

I had to describe code to my interviewer because there was no online platform for me to read the question or write out the code.

The entire process took about an hour.

The question was about sorting a list.

Once I provided a solution, the interviewer upped the stakes and added more parameters for the order the list was supposed to be sorted in.

I don't remember the specific details, but no libraries were allowed to be used to assist my solution.