Quick Overview

This question evaluates proficiency in IPv4 address representation and arithmetic, CIDR parsing, iterator API design for forward and backward traversal, and performance-aware algorithms and data structures for range enumeration.

Implement an IPv4 Iterator

Company: OpenAI

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Onsite

Overview: This question evaluates proficiency in IPv4 address representation and arithmetic, CIDR parsing, iterator API design for forward and backward traversal, and performance-aware algorithms and data structures for range enumeration.

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