Interview questions

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3 questions

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CodingMedium
IPv4 Address Iterator
Implement an iterator that traverses IPv4 addresses starting from a given address, supporting forward iteration, reverse iteration, and CIDR block iteration.
Companies: Anthropic, OpenAI
Data Structure Design · Networking
Last reported Oct 2026
Open workspace
CodingMedium
Convert IPv4 Ranges to CIDR Blocks
Companies: OpenAI
Bit Manipulation · Networking
Last reported Apr 2026
Open workspace
CodingMedium
Build a concurrent web crawler
Companies: Anthropic
Concurrency · Networking
Last reported Apr 2026

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