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