Quick Overview

This two-part question evaluates proficiency with core data structures and string/array algorithms—specifically stack-based delimiter matching and cumulative character shifting using modular arithmetic—and is commonly asked to assess correctness under ordering constraints, boundary handling, and efficiency.

Solve Stack and String Shift Problems

Company: ByteDance

Role: Site Reliability Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: This two-part question evaluates proficiency with core data structures and string/array algorithms—specifically stack-based delimiter matching and cumulative character shifting using modular arithmetic—and is commonly asked to assess correctness under ordering constraints, boundary handling, and efficiency.

Read the full ByteDance Site Reliability Engineer interview experience this question came from

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