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조은영

PROFILE

조은영

Over a three-month period, hdtv0218@gmail.com developed a suite of algorithmic solutions in the SSAFYnity/Job-Preparation-Challenge repositories, focusing on contest-style problems and performance optimization. They implemented dynamic programming for grid path scoring and the Stair Climbing Problem, leveraging C++ for efficient memory and runtime management. Their work included graph algorithms such as Dijkstra-based pathfinding, combinatorial search with DFS and binary search, and simulation tools like an LRU cache and iceberg fragmentation detector. Emphasizing modularity and testability, they delivered robust, reusable code without reported bugs, demonstrating depth in algorithm design, data structures, and problem-solving across C++, Java, and JavaScript.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

18Total
Bugs
0
Commits
18
Features
10
Lines of code
821
Activity Months3

Work History

January 2025

5 Commits • 4 Features

Jan 1, 2025

Performance summary for 2025-01 (SSAFYnity/Job-Preparation-Challenge-4th). Delivered four algorithmic features with measurable performance and robustness improvements that align with business value objectives across the project. Key outcomes include:

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024: Delivered a time- and memory-optimized dynamic programming solution for the Stair Climbing Problem in SSAFYnity/Job-Preparation-Challenge-3rd. Implemented a DP approach that computes the maximum score across step sequences with improved runtime and memory usage, backed by the commit 'solved 계단오르기 - 0ms 2mb' (dfa37b06dc5997faafba3d36473e1827320e3b44). This enhancement improves the challenge engine’s scalability and responsiveness, enabling faster evaluations for larger input sets. Demonstrates strong algorithm design, performance-focused coding, and solid version-control practices, delivering clear business value by reducing compute time and memory footprint for problem-solving tasks.

November 2024

12 Commits • 5 Features

Nov 1, 2024

Month: 2024-11 — SSAFYnity/Job-Preparation-Challenge-3rd Concise monthly summary focused on delivering algorithmic capabilities and preparing a reusable solution toolkit for contest-style problems. No major bugs reported this month; code quality, modularity, and testability were improved through well-scoped changes and explicit commit messaging.

Activity

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Quality Metrics

Correctness88.8%
Maintainability79.0%
Architecture73.4%
Performance87.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++JavaJavaScript

Technical Skills

AlgorithmAlgorithm ImplementationAlgorithmsBacktrackingBinary SearchC++CombinatoricsCompetitive ProgrammingData StructuresDijkstra's AlgorithmDynamic ProgrammingGraph AlgorithmsGreedy AlgorithmHash MapsMaps

Repositories Contributed To

2 repos

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

SSAFYnity/Job-Preparation-Challenge-3rd

Nov 2024 Dec 2024
2 Months active

Languages Used

C++Java

Technical Skills

AlgorithmAlgorithm ImplementationAlgorithmsBacktrackingBinary SearchCombinatorics

SSAFYnity/Job-Preparation-Challenge-4th

Jan 2025 Jan 2025
1 Month active

Languages Used

C++JavaScript

Technical Skills

AlgorithmAlgorithm ImplementationC++Data StructuresDynamic ProgrammingPattern Recognition

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