Quick Overview

Find heap objects that are not directly referenced by any stack address when heap objects have no outgoing references. Use efficient set membership to return unreachable primitive addresses in input order, ignoring duplicate roots and roots outside the heap without mutating inputs.

Find Heap Objects Not Referenced by the Stack

Company: Anduril

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Find heap objects that are not directly referenced by any stack address when heap objects have no outgoing references. Use efficient set membership to return unreachable primitive addresses in input order, ignoring duplicate roots and roots outside the heap without mutating inputs.

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