There were two separate interview questions by two separate interviewers at different times. They have an online text editor where both the interviewer and you can see and modify.

During the interview, they will copy and paste the question into the text editor. Some will paste questions that look similar to how questions are formatted in LeetCode problems. Others will just tell you the problem (they don't have anything ready to copy and paste).

However, you can just ask them to write something down, and they will. But it's better if you talk through the problem and write down the important stuff, especially because you have a limited amount of time. I think it was a little over an hour, but I can't remember the exact time right now.