Minju Shin developed an Array Restoration Problem Solver for the SSAFYnity/Job-Preparation-Challenge-3rd repository, focusing on automated processing of overlapping-matrix challenges common in competitive programming. The solution was implemented in Java and leveraged algorithmic techniques such as backtracking and dynamic programming to efficiently reconstruct original arrays from input matrices. Minju designed the feature to handle end-to-end input parsing and output generation, ensuring the process was fully automated and reusable for similar tasks. The work demonstrated careful attention to code quality and performance, resulting in a concise, well-optimized solution that addressed a specific computational problem within a single, focused commit.