onestone11/kosa-study-tigger
Oct 2024 – Apr 2026
9 Months active
Languages Used
JavaC++MarkdownPython
Technical Skills
AlgorithmData StructuresExpression EvaluationFile ManagementHashMapJava Development
onestone11
PROFILE
Onestone11
Over a nine-month period, contributed to the kosa-study-tigger repository by developing 44 algorithmic features and addressing codebase hygiene through targeted bug fixes and documentation. Delivered Java and Python solutions for competitive programming problems, focusing on data structures, dynamic programming, and graph algorithms. Implemented tools such as a shuttle bus scheduler, bidirectional mapping utilities, and simulation engines, while maintaining clear project structure and onboarding resources. Emphasized maintainability through code refactoring and consistent documentation updates. Leveraged technologies including Java, C++, and Markdown to support collaborative workflows, accelerate onboarding, and provide reproducible, well-documented solutions for both learning and practical problem-solving.
Overall Statistics
Feature vs Bugs
96%Features
Repository Contributions
98Total
Bugs
2
Commits
98
Features
44
Lines of code
22,932
Activity Months9
Your Network
4 peopleShared Repositories
4
Work History
April 2026
9 Commits • 1 Features
Apr 1, 2026April 2026 — Delivered a focused educational content expansion in the kosa-study-tigger repository, adding ready-to-use problem statements, documentation, and algorithm solutions for competitive programming. The work accelerates onboarding for learners, improves reference material quality, and provides reproducible code artifacts. Key features include expanded problem statements and documented solutions for N-Queens, ATM, and stair-climbing problems, with Java implementations and associated documentation.
9 Commits • 1 Features
Apr 1, 2026April 2026 — Delivered a focused educational content expansion in the kosa-study-tigger repository, adding ready-to-use problem statements, documentation, and algorithm solutions for competitive programming. The work accelerates onboarding for learners, improves reference material quality, and provides reproducible code artifacts. Key features include expanded problem statements and documented solutions for N-Queens, ATM, and stair-climbing problems, with Java implementations and associated documentation.
April 2026
July 2025
2 Commits • 2 Features
Jul 1, 2025Performance summary for 2025-07: Delivered feature-rich shuttle scheduling capability and structured weekly problem set documentation for KOSA study project in a single repo, driving clearer operations and improved team alignment.
July 2025
2 Commits • 2 Features
Jul 1, 2025Performance summary for 2025-07: Delivered feature-rich shuttle scheduling capability and structured weekly problem set documentation for KOSA study project in a single repo, driving clearer operations and improved team alignment.
June 2025
9 Commits • 5 Features
Jun 1, 2025June 2025 monthly work summary for onestone11/kosa-study-tigger. Delivered core algorithmic resources and expanded learning materials, while improving codebase maintainability to accelerate onboarding and problem-solving for the team. Key activities include documentation enhancements for weekly problems and multiple self-contained algorithm implementations with clear ownership of code.
9 Commits • 5 Features
Jun 1, 2025June 2025 monthly work summary for onestone11/kosa-study-tigger. Delivered core algorithmic resources and expanded learning materials, while improving codebase maintainability to accelerate onboarding and problem-solving for the team. Key activities include documentation enhancements for weekly problems and multiple self-contained algorithm implementations with clear ownership of code.
June 2025
May 2025
12 Commits • 3 Features
May 1, 2025May 2025 monthly summary for kosa-study-tigger: Delivered practical, reusable coding tools and learning artifacts that drive student readiness and maintainable code. Focused work centered on a bidirectional data-mapping utility, a suite of algorithmic problem solutions, and structured documentation templates for Weeks 23–26. The month solidified core Java proficiency, algorithmic thinking, and documentation quality, translating to faster onboarding and clearer project ownership.
May 2025
12 Commits • 3 Features
May 1, 2025May 2025 monthly summary for kosa-study-tigger: Delivered practical, reusable coding tools and learning artifacts that drive student readiness and maintainable code. Focused work centered on a bidirectional data-mapping utility, a suite of algorithmic problem solutions, and structured documentation templates for Weeks 23–26. The month solidified core Java proficiency, algorithmic thinking, and documentation quality, translating to faster onboarding and clearer project ownership.
April 2025
25 Commits • 15 Features
Apr 1, 2025April 2025 performance for onestone11/kosa-study-tigger focused on accelerating study readiness and codebase health. Key outcomes include documentation groundwork for Weeks 19–23 problems, a broad set of Java algorithm implementations for Baekjoon problems, and targeted fixes to improve repository hygiene and onboarding. This work reduces time-to-reference during practice, enables faster problem solving, and strengthens the codebase for future sprints.
25 Commits • 15 Features
Apr 1, 2025April 2025 performance for onestone11/kosa-study-tigger focused on accelerating study readiness and codebase health. Key outcomes include documentation groundwork for Weeks 19–23 problems, a broad set of Java algorithm implementations for Baekjoon problems, and targeted fixes to improve repository hygiene and onboarding. This work reduces time-to-reference during practice, enables faster problem solving, and strengthens the codebase for future sprints.
April 2025
March 2025
10 Commits • 4 Features
Mar 1, 20252025-03 Monthly Summary for kosa-study-tigger repository (onestone11/kosa-study-tigger). This month focused on delivering core algorithmic features and problem-set documentation to strengthen the team’s competitive programming toolkit and improve knowledge sharing across the repository. No explicit bug-fix sprint was recorded; the emphasis was on delivering functional features with clear commit traceability and maintaining up-to-date weekly problem documentation.
March 2025
10 Commits • 4 Features
Mar 1, 20252025-03 Monthly Summary for kosa-study-tigger repository (onestone11/kosa-study-tigger). This month focused on delivering core algorithmic features and problem-set documentation to strengthen the team’s competitive programming toolkit and improve knowledge sharing across the repository. No explicit bug-fix sprint was recorded; the emphasis was on delivering functional features with clear commit traceability and maintaining up-to-date weekly problem documentation.
February 2025
18 Commits • 8 Features
Feb 1, 2025February 2025 performance summary for onestone11/kosa-study-tigger (Month: 2025-02). Delivered a robust set of algorithmic solutions, simulations, and developer tooling in Java, focusing on business value, reliability, and onboarding. Key achievements include implementing dual-approach solutions for closest-to-zero sum problems, refining problem-solve logic for queue processing, simulating a shark grid feeding scenario to measure total runtime, adding a GPT-inspired numeric sorting utility, and expanding documentation with weekly problem resources to accelerate learning and collaboration.
18 Commits • 8 Features
Feb 1, 2025February 2025 performance summary for onestone11/kosa-study-tigger (Month: 2025-02). Delivered a robust set of algorithmic solutions, simulations, and developer tooling in Java, focusing on business value, reliability, and onboarding. Key achievements include implementing dual-approach solutions for closest-to-zero sum problems, refining problem-solve logic for queue processing, simulating a shark grid feeding scenario to measure total runtime, adding a GPT-inspired numeric sorting utility, and expanding documentation with weekly problem resources to accelerate learning and collaboration.
February 2025
January 2025
9 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for onestone11/kosa-study-tigger: Delivered core multi-language competitive programming solutions with focus on data structures, algorithms, and scheduling; added and implemented key problems across languages, including towers visibility, hashing, and task scheduling. Completed Week 10 and Week 11 problem set documentation with contributor lists, updates, and directory cleanup. Performed repository hygiene improvements by removing an obsolete 11주차 directory and standardizing problem-set structure. Result: clearer contribution guidelines, faster onboarding for new contributors, and a maintainable codebase that supports scalable problem solving. Technologies/skills demonstrated include Java-based implementations, cross-language coding, algorithmic proficiency, documentation practices, and collaborative workflows.
January 2025
9 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for onestone11/kosa-study-tigger: Delivered core multi-language competitive programming solutions with focus on data structures, algorithms, and scheduling; added and implemented key problems across languages, including towers visibility, hashing, and task scheduling. Completed Week 10 and Week 11 problem set documentation with contributor lists, updates, and directory cleanup. Performed repository hygiene improvements by removing an obsolete 11주차 directory and standardizing problem-set structure. Result: clearer contribution guidelines, faster onboarding for new contributors, and a maintainable codebase that supports scalable problem solving. Technologies/skills demonstrated include Java-based implementations, cross-language coding, algorithmic proficiency, documentation practices, and collaborative workflows.
October 2024
4 Commits • 3 Features
Oct 1, 2024October 2024 monthly summary for onestone11/kosa-study-tigger: delivered three feature-driven solutions spanning expression optimization, weight ratio calculations, and booking overlap scheduling. These efforts deliver practical business value by enabling automated decision support, efficient resource allocation, and scalable problem-solving capabilities. All work completed with Java-based implementations and clear refactoring for maintainability.
4 Commits • 3 Features
Oct 1, 2024October 2024 monthly summary for onestone11/kosa-study-tigger: delivered three feature-driven solutions spanning expression optimization, weight ratio calculations, and booking overlap scheduling. These efforts deliver practical business value by enabling automated decision support, efficient resource allocation, and scalable problem-solving capabilities. All work completed with Java-based implementations and clear refactoring for maintainability.
October 2024
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Quality Metrics
Correctness95.4%
Maintainability93.2%
Architecture92.0%
Performance93.6%
AI Usage20.4%
Skills & Technologies
Programming Languages
C++JavaMarkdownPython
Technical Skills
AlgorithmAlgorithm DesignAlgorithm ImplementationAlgorithmsBacktrackingBinary SearchBreadth-First SearchCode RefactoringCore JavaData StructuresDepth First SearchDijkstra's AlgorithmDisjoint Set UnionDocumentationDynamic Programming
Repositories Contributed To
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