During October 2024, Silversun Kim developed DFS-based problem solvers for the hanaro-algorithm/algorithm repository, focusing on competitive programming challenges such as Operator Insertion and Safe Zones. Leveraging Java, they implemented modular templates for depth-first search and backtracking, enabling reusable and maintainable solutions for graph traversal problems. Their work addressed key edge cases and boundary conditions, enhancing the correctness and reliability of the algorithms across diverse input scenarios. By refining interfaces and utilities, Silversun improved the repository’s ability to support rapid problem-solving for similar tasks, demonstrating a strong grasp of algorithmic design and practical application of core Java programming skills.