Quick Overview

Split a digit string into exactly k valid zero-to-255 segments, reject leading zeros, prune impossible branches, and return every dotted result in lexicographic order.

Restore Valid Addresses by Splitting a Digit String

Company: ByteDance

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Split a digit string into exactly k valid zero-to-255 segments, reject leading zeros, prune impossible branches, and return every dotted result in lexicographic order.

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