CODE-U-S/Coding_Test_Study
Mar 2025 – Feb 2026
8 Months active
Languages Used
CJavaC++JavaScriptPythonSQL
Technical Skills
File ManagementProblem SolvingAlgorithmAlgorithm ImplementationBasic Arithmetic OperationsBasic Input/Output
1304-lukeyu
PROFILE
1304-lukeyu
Yoonleena contributed to the CODE-U-S/Coding_Test_Study repository by developing a wide range of foundational programming features and utilities over eight months. She focused on building reusable modules for string manipulation, arithmetic operations, and input/output handling, primarily using Java and Python. Her work included creating problem-solving templates, scaffolding for coding contests, and daily study log systems to streamline onboarding and practice. By standardizing file structures and naming conventions, she improved repository maintainability and collaboration. Yoonleena’s approach emphasized incremental delivery, clear commit history, and code reuse, resulting in a robust, scalable codebase that supports rapid prototyping and learning.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
100Total
Bugs
0
Commits
100
Features
37
Lines of code
1,780
Activity Months8
Your Network
16 people
Work History
February 2026
6 Commits • 2 Features
Feb 1, 2026February 2026 – CODE-U-S/Coding_Test_Study: Implemented two core utility modules with clear business value. Delivered String Utilities (interleave and concatenate) and Numeric Utilities (divisibility, parity, and conditional max). The work spanned multi-day commits across 268–273, with a total of six commits: two for string utilities and four for numeric utilities. No major bugs fixed this month; changes focus on code reuse, reliability, and enabling downstream features.
6 Commits • 2 Features
Feb 1, 2026February 2026 – CODE-U-S/Coding_Test_Study: Implemented two core utility modules with clear business value. Delivered String Utilities (interleave and concatenate) and Numeric Utilities (divisibility, parity, and conditional max). The work spanned multi-day commits across 268–273, with a total of six commits: two for string utilities and four for numeric utilities. No major bugs fixed this month; changes focus on code reuse, reliability, and enabling downstream features.
February 2026
January 2026
32 Commits • 18 Features
Jan 1, 2026January 2026 (2026-01) delivered a focused set of features and problem-solving exercises across CODE-U-S/Coding_Test_Study. Key work includes implementing and refining BOJ 노가우 problems (days 250–253) and delivering Bronze5 level string/IO challenges. No major bugs reported; the month emphasized robust algorithmic implementations, multi-commit workflows, and preparing reusable solution templates for interview readiness.
January 2026
32 Commits • 18 Features
Jan 1, 2026January 2026 (2026-01) delivered a focused set of features and problem-solving exercises across CODE-U-S/Coding_Test_Study. Key work includes implementing and refining BOJ 노가우 problems (days 250–253) and delivering Bronze5 level string/IO challenges. No major bugs reported; the month emphasized robust algorithmic implementations, multi-commit workflows, and preparing reusable solution templates for interview readiness.
September 2025
4 Commits • 1 Features
Sep 1, 2025September 2025 performance summary for CODE-U-S/Coding_Test_Study focused on establishing a robust scaffolding for the Baekjoon '개수 세기' (Counting) problem workflow and daily study logs. Delivered initial project skeleton and placeholder Java files for counting, enabling future implementation and consistent practice documentation. This groundwork supports rapid feature development and traceable learning progress.
4 Commits • 1 Features
Sep 1, 2025September 2025 performance summary for CODE-U-S/Coding_Test_Study focused on establishing a robust scaffolding for the Baekjoon '개수 세기' (Counting) problem workflow and daily study logs. Delivered initial project skeleton and placeholder Java files for counting, enabling future implementation and consistent practice documentation. This groundwork supports rapid feature development and traceable learning progress.
September 2025
August 2025
24 Commits • 10 Features
Aug 1, 2025Month: 2025-08; Repository: CODE-U-S/Coding_Test_Study; Focus: development of string manipulation utilities and problem metadata handling, with clear commit history across days 96–114. Business value: rapid prototyping for coding tests, improved input handling, and foundation for automated problem-solving tooling.
August 2025
24 Commits • 10 Features
Aug 1, 2025Month: 2025-08; Repository: CODE-U-S/Coding_Test_Study; Focus: development of string manipulation utilities and problem metadata handling, with clear commit history across days 96–114. Business value: rapid prototyping for coding tests, improved input handling, and foundation for automated problem-solving tooling.
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 (2025-07) focused on expanding self-service learning resources within CODE-U-S/Coding_Test_Study and delivering a Java-based solution for a common division quotient problem. The month consolidated content creation with practical coding implementations, improving onboarding, practice readiness, and repository hygiene.
3 Commits • 2 Features
Jul 1, 2025July 2025 (2025-07) focused on expanding self-service learning resources within CODE-U-S/Coding_Test_Study and delivering a Java-based solution for a common division quotient problem. The month consolidated content creation with practical coding implementations, improving onboarding, practice readiness, and repository hygiene.
July 2025
June 2025
15 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for CODE-U-S/Coding_Test_Study: Delivered foundational BOJ Java practice suite and initial scaffolding for upcoming problems, strengthening the repository as a go-to resource for learning and rapid iteration. Implemented Java-based solutions for basic IO, arithmetic, strings, and pattern problems; established scaffolding templates for leap year, A+B variants, and summation problems to accelerate future problem integration. These efforts improve onboarding, standardize coding patterns, and enable faster practice for students and contributors. Result: improved code quality, faster onboarding, scalable problem addition.
June 2025
15 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for CODE-U-S/Coding_Test_Study: Delivered foundational BOJ Java practice suite and initial scaffolding for upcoming problems, strengthening the repository as a go-to resource for learning and rapid iteration. Implemented Java-based solutions for basic IO, arithmetic, strings, and pattern problems; established scaffolding templates for leap year, A+B variants, and summation problems to accelerate future problem integration. These efforts improve onboarding, standardize coding patterns, and enable faster practice for students and contributors. Result: improved code quality, faster onboarding, scalable problem addition.
May 2025
14 Commits • 1 Features
May 1, 2025May 2025: CODE-U-S/Coding_Test_Study – Delivered the Baekjoon Beginner Problems Library as a consolidated collection of beginner problem solutions (basic I/O, arithmetic, loops, and simple string/formatting). Implemented via 14 commits across May 2025, establishing a reusable learning resource and consistent baseline for future problem sets. No major bugs fixed this month; minor refinements to consistency and commit hygiene accompanied feature work. Impact includes improved onboarding speed for new contributors, a scalable library foundation, and clearer reference for entry-level tasks.
14 Commits • 1 Features
May 1, 2025May 2025: CODE-U-S/Coding_Test_Study – Delivered the Baekjoon Beginner Problems Library as a consolidated collection of beginner problem solutions (basic I/O, arithmetic, loops, and simple string/formatting). Implemented via 14 commits across May 2025, establishing a reusable learning resource and consistent baseline for future problem sets. No major bugs fixed this month; minor refinements to consistency and commit hygiene accompanied feature work. Impact includes improved onboarding speed for new contributors, a scalable library foundation, and clearer reference for entry-level tasks.
May 2025
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for CODE-U-S/Coding_Test_Study: Completed codebase cleanup to standardize file naming for the 문자열 출력하기 (Print String) problem files in the 4st/Gau/programmer directory. This cleanup, including renaming legacy 1.txt files to problem-specific filenames, enhances clarity, consistency, and maintainability, enabling faster onboarding and smoother collaboration on upcoming features. No major bug fixes were performed this month; the focus was repository hygiene and preparing the codebase for scalable future work.
March 2025
2 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for CODE-U-S/Coding_Test_Study: Completed codebase cleanup to standardize file naming for the 문자열 출력하기 (Print String) problem files in the 4st/Gau/programmer directory. This cleanup, including renaming legacy 1.txt files to problem-specific filenames, enhances clarity, consistency, and maintainability, enabling faster onboarding and smoother collaboration on upcoming features. No major bug fixes were performed this month; the focus was repository hygiene and preparing the codebase for scalable future work.
Activity
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Quality Metrics
Correctness81.0%
Maintainability80.2%
Architecture79.4%
Performance80.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++JavaJavaScriptPythonSQL
Technical Skills
AlgorithmAlgorithm DevelopmentAlgorithm ImplementationArithmetic OperationsBasic AlgorithmBasic ArithmeticBasic Arithmetic OperationsBasic Input/OutputBasic ProgrammingBasic programmingCoding Test PracticeCompetitive ProgrammingConsole OutputData StructuresDatabase Querying
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