Meta has a very standardized interview process. Mine was no different.

A recruiter contacted me and caught my interest.

We then went through a technical phone screen before a virtual on-site. We used:

• a crippled CoderPad for coding questions
• Excalidraw for a system-design question
• a behavioral interview.

Determine if a given matrix is a Toeplitz matrix. What is the time and space complexity of the check?

Given a sorted list, count the number of occurrences of a given value. What is the time and space complexity of this count?

Clone a linked list where each node also has an additional pointer that refers to elements within the same list.

Given a tree, return a list of values starting from the bottom-left node going clockwise on the outside of the tree.

Design a messaging system, like Messenger, Google Chat, or WhatsApp.