Meta Software Engineer interview questions

Nested List Weight Sum: You are given a nested list of integers nestedList. Each element is either an integer or a list whose elements may also be integers or other lists. The depth of an integer is the number of lists that it is inside of. For example, the nested list [1,[2,2],[[3],2],1] has each integer's value set to its depth. Return the sum of each integer in nestedList multiplied by its depth.

A standard interview process with 2 rounds. A technical round of 2 Leetcode style problems and a round of technical, system design, and behavioral. Pretty standard and the recruiter went into most of the details beforehand, as well as giving ample time to prepare.