1p3a Question · Nov 2025

Meta E4 Product Manager Interview Experience and Onsite Rounds

SWE Manager Mid

Question Details

Pre-Interview Assessments Completed a four-stage coding assessment and a work-style evaluation. Phone Screen * Problem 1: Count the number of 1s in a specific subarray of a large binary ar

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About This Question

This is a reported interview question from a meta interview for a swe role (mid level) during the manager round reported in 2025.

It covers the following topics: Arrays, Strings, Binary Tree, System Design, Behavioral, Recursion, Matrix .