1p3a Experience · Oct 2025

ByteDance Tech Phone Screen: CIDR Aggregation Challenge in Software Engineer Interview

SWE Phone Screen
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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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Bit Manipulation Greedy