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Experience
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Oct 2025
ByteDance Tech Phone Screen: CIDR Aggregation Challenge in Software Engineer Interview
5 replies
Interview Experience
The problem is to output a shortest list of addresses, represented by their CIDR values, that exactly contain a given range of IP addresses. Example: "127.0.0.7" - "127.0.0.16" -> ['127.0.0.7/32', '12
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This is a candidate experience report from a bytedance interview for a swe role during the phone screen round reported in 2025.
It covers the following topics: Bit Manipulation, Greedy, Greedy .
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