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박단비

PROFILE

박단비

Over three months, this developer delivered 40 algorithmic features for the SSAFYnity/Job-Preparation-Challenge repositories, focusing on robust solutions to grid, graph, and scheduling problems. They applied Python and advanced data structures to implement dynamic programming, breadth-first search, and heap-based optimizations, addressing challenges such as LRU cache simulation, pathfinding, and resource allocation. Their work included edge-case handling, such as zero-cache scenarios and wildcard pattern matching, and emphasized correctness and scalability. By integrating techniques like 2D prefix sums and backtracking, the developer consistently produced maintainable, high-performance code that expanded the repositories’ problem-solving capabilities without introducing regressions or unresolved bugs.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

40Total
Bugs
0
Commits
40
Features
40
Lines of code
1,592
Activity Months3

Work History

April 2025

9 Commits • 9 Features

Apr 1, 2025

April 2025 monthly summary for SSAFYnity/Job-Preparation-Challenge-5th. Delivered a set of high-impact algorithmic features with strong emphasis on correctness, performance, and scalability across diverse problem domains. Achievements reflect a pattern of robust DP-based solutions, BFS-driven pathfinding, and efficient scheduling and validation logic, aligned with business goals of delivering reliable problem-solving capabilities for the challenge suite.

March 2025

20 Commits • 20 Features

Mar 1, 2025

March 2025 — SSAFYnity/Job-Preparation-Challenge-5th: Delivered a diverse set of algorithmic feature implementations across a single repository, expanding problem-solving capabilities and strengthening execution efficiency. The work demonstrates strong breadth across graph, grid, DP, and data-structuring challenges, with a focus on measurable performance and scalable solutions for real-world problem-solving scenarios.

January 2025

11 Commits • 11 Features

Jan 1, 2025

January 2025 performance snapshot for SSAFYnity/Job-Preparation-Challenge-4th: Delivered a diverse set of features across grid, graph, and DP problems with a focus on performance, edge-case resilience, and concrete business value. Highlights include implementing an LRU Cache Simulation for City Lookups (including a zero-cache-size edge case), a Meat Purchase Optimization Solver for cost-efficient procurement across gram options, and a suite of pathfinding and coverage optimizations (Iceberg Melting and Break Counting; BFS-Based Minimum Cost Path in Grid; Base Station Installation Coverage Optimization). The work improved lookup responsiveness, reduced operational costs, and strengthened decision support for planning and optimization tasks. Demonstrated proficiency in dynamic programming, graph algorithms, sliding window techniques, and robust testing of edge cases.

Activity

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Quality Metrics

Correctness91.2%
Maintainability81.6%
Architecture77.6%
Performance85.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

2D Prefix SumAlgorithmAlgorithm ImplementationAlgorithmsBacktrackingBinary SearchBreadth-First SearchBreadth-First Search (BFS)Data StructuresDatabaseDepth First SearchDijkstra's AlgorithmDisjoint Set UnionDynamic ProgrammingFile Handling

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

SSAFYnity/Job-Preparation-Challenge-5th

Mar 2025 Apr 2025
2 Months active

Languages Used

Python

Technical Skills

2D Prefix SumAlgorithmAlgorithm ImplementationAlgorithmsBacktrackingBinary Search

SSAFYnity/Job-Preparation-Challenge-4th

Jan 2025 Jan 2025
1 Month active

Languages Used

Python

Technical Skills

AlgorithmBreadth-First SearchData StructuresDijkstra's AlgorithmDynamic ProgrammingGraph Theory

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