Concise monthly summary for March 2025 focusing on delivered features, bug fixes, impact, and skills demonstrated across three repositories.

February 2025 monthly summary focusing on key features delivered, bugs fixed, impact, and technologies demonstrated across Havuruta repositories (PS, CS-OS, CS-Network). Highlights include stack/queue problem solutions with B10828, B10845, B1920; memoization for binomial coefficients and factorial refactor; optimization of alphabet letter position lookup; new programming practice problems scaffolding; extensive repository hygiene and documentation cleanup; content expansion in CS-OS and CS-Network READMEs.

January 2025 (havuruta/2025-Feb-PS) monthly summary: Delivered the Baekjoon Problem Solutions Suite as the core feature, implementing algorithmic solutions for B10809 (Find Alphabet), B2609 (GCD/LCM), B1978 (Sieve-based prime finding), B11050 (Binomial Coefficient nCr), and B1546 (New Average normalization). The work provides a cohesive, reusable solution library for competitive programming practice, enabling faster onboarding and scalable problem coverage. Commit-based traceability was established with dedicated commits for each problem, supporting maintainability and auditability. No major bugs were reported this cycle; feature completeness completed and ready for validation and extension.