The question is very basic. Their goal is to test the candidate's ability to come up a valid solution towards one coding question, and could implement bug-free version to solve it.
NDA.
The following metrics were computed from 28 interview experiences for the Pinterest Software Engineer (Internship) role in United States.
Pinterest's interview process for their Software Engineer (Internship) roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Pinterest's Software Engineer (Internship) interview process in United States.