Welcome to your interview.
The question is on your right: LeetCode Easy to Medium. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes). Discussion and graded submissions share your five interviewer interactions, so spend them well.
Solve standard algorithmic problems at LeetCode Easy to Medium level using data structures such as stacks, hash maps, and arrays efficiently.