ia2407-114/114-1-University-college-C-plus-plus-program
Sep 2025 – Jun 2026
10 Months active
Languages Used
CC++XML
Technical Skills
Basic C++ ProgrammingBasic Input/OutputC ProgrammingC++C++ DevelopmentConsole Application Development
李佳欣
PROFILE
李佳欣
Over ten months, contributed to the ia2407-114/114-1-University-college-C-plus-plus-program repository by building a suite of educational and data management tools in C and C++. Developed features such as student grading systems, matrix operations, file-based student and cinema data management, and analytics utilities for classroom and administrative workflows. Applied object-oriented programming, data structures, and binary file I/O to enable persistent storage, efficient retrieval, and modular code organization. Emphasized maintainability through refactoring, input validation, and repository cleanup, supporting both classroom analytics and practical data workflows. The work demonstrated disciplined version control and a focus on extensible, testable code for future enhancements.
Overall Statistics
Feature vs Bugs
95%Features
Repository Contributions
51Total
Bugs
1
Commits
51
Features
20
Lines of code
6,397
Activity Months10
Your Network
30 peopleWork History
June 2026
2 Commits • 2 Features
Jun 1, 2026June 2026 Monthly Summary for ia2407-114/114-1-University-college-C-plus-plus-program: Focused on delivering practical data-management utilities with binary I/O and demonstrating core OOP/file I/O skills. Key features delivered include Cinema Movie Data Management Utilities (Binary File I/O) and Animal Data Management and Analytics, with commits on 2026-06-17 and 2026-06-10 respectively. No major bugs were reported in the provided data. Overall impact includes improved data persistence, fast retrieval, and analytics-ready data structures, supporting cinema catalog workflows and basic analytics. Technologies demonstrated: C++, binary file I/O, struct-based data modeling, object-oriented programming, and file persistence.
2 Commits • 2 Features
Jun 1, 2026June 2026 Monthly Summary for ia2407-114/114-1-University-college-C-plus-plus-program: Focused on delivering practical data-management utilities with binary I/O and demonstrating core OOP/file I/O skills. Key features delivered include Cinema Movie Data Management Utilities (Binary File I/O) and Animal Data Management and Analytics, with commits on 2026-06-17 and 2026-06-10 respectively. No major bugs were reported in the provided data. Overall impact includes improved data persistence, fast retrieval, and analytics-ready data structures, supporting cinema catalog workflows and basic analytics. Technologies demonstrated: C++, binary file I/O, struct-based data modeling, object-oriented programming, and file persistence.
June 2026
May 2026
5 Commits • 3 Features
May 1, 2026Monthly summary for 2026-05 (ia2407-114/114-1-University-college-C-plus-plus-program): Delivered three core features in a single repository, strengthening educational capabilities in matrix math, time utilities, and geometry calculations. The work spanned from early to late May with incremental commits that reflect deliberate design and refactoring, improving code quality and reusability. No explicit bugs were listed for this period; the emphasis was on feature delivery and OO design improvements. Impact includes enhanced learning demonstrations, easier extension for future shapes and time-related utilities, and a cleaner, more maintainable codebase. Technologies and skills demonstrated include C++ operator overloading, object-oriented programming, polymorphism, and inheritance, applied to practical math and geometry tasks, with a clear path for adding additional shapes and operators in future sprints.
May 2026
5 Commits • 3 Features
May 1, 2026Monthly summary for 2026-05 (ia2407-114/114-1-University-college-C-plus-plus-program): Delivered three core features in a single repository, strengthening educational capabilities in matrix math, time utilities, and geometry calculations. The work spanned from early to late May with incremental commits that reflect deliberate design and refactoring, improving code quality and reusability. No explicit bugs were listed for this period; the emphasis was on feature delivery and OO design improvements. Impact includes enhanced learning demonstrations, easier extension for future shapes and time-related utilities, and a cleaner, more maintainable codebase. Technologies and skills demonstrated include C++ operator overloading, object-oriented programming, polymorphism, and inheritance, applied to practical math and geometry tasks, with a clear path for adding additional shapes and operators in future sprints.
April 2026
3 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Focused on delivering robust pet data modeling and date validation features along with an integrated pet information and dog management system. No major bugs reported this period; emphasis on data integrity, validation, and maintainable code.
3 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Focused on delivering robust pet data modeling and date validation features along with an integrated pet information and dog management system. No major bugs reported this period; emphasis on data integrity, validation, and maintainable code.
April 2026
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 performance summary for ia2407-114/114-1-University-college-C-plus-plus-program. Delivered core features across student management, volume calculation, and pet management systems with a focus on business value, code quality, and maintainability. Implemented a refactor to a linked-list-based data structure for the Student Management System, enabling more efficient management and cleaner I/O formatting, along with binary-file persistence. Added a Volume Calculator supporting cube, cylinder, and rectangular prism with multi-type numeric inputs (int, float, double). Launched a privacy-focused Pet Management System with owner verification to safeguard sensitive information. The work demonstrates strong C++ proficiency, data-structure design, file I/O handling, and a commitment to clean, maintainable code.
March 2026
6 Commits • 3 Features
Mar 1, 2026March 2026 performance summary for ia2407-114/114-1-University-college-C-plus-plus-program. Delivered core features across student management, volume calculation, and pet management systems with a focus on business value, code quality, and maintainability. Implemented a refactor to a linked-list-based data structure for the Student Management System, enabling more efficient management and cleaner I/O formatting, along with binary-file persistence. Added a Volume Calculator supporting cube, cylinder, and rectangular prism with multi-type numeric inputs (int, float, double). Launched a privacy-focused Pet Management System with owner verification to safeguard sensitive information. The work demonstrates strong C++ proficiency, data-structure design, file I/O handling, and a commitment to clean, maintainable code.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Delivered a Student Records Management System with file-based persistence to manage student data. Implemented input handling and storage for student records, enabling durable data capture and streamlined admin workflows. This feature establishes a foundation for scalable data management in university admin processes.
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Delivered a Student Records Management System with file-based persistence to manage student data. Implemented input handling and storage for student records, enabling durable data capture and streamlined admin workflows. This feature establishes a foundation for scalable data management in university admin processes.
February 2026
January 2026
2 Commits • 1 Features
Jan 1, 2026January 2026 performance summary for ia2407-114/114-1-University-college-C-plus-plus-program: Delivered a core Student Grading System with sorting by average grades and searching by student ID, including both linear and binary search capabilities. Maintained code quality with stable baseline commits across year boundary. No major bugs reported; focused on feature completeness, performance, and maintainability. This work enhances evaluation workflows and supports scalable student data management.
January 2026
2 Commits • 1 Features
Jan 1, 2026January 2026 performance summary for ia2407-114/114-1-University-college-C-plus-plus-program: Delivered a core Student Grading System with sorting by average grades and searching by student ID, including both linear and binary search capabilities. Maintained code quality with stable baseline commits across year boundary. No major bugs reported; focused on feature completeness, performance, and maintainability. This work enhances evaluation workflows and supports scalable student data management.
December 2025
5 Commits • 2 Features
Dec 1, 2025Month: 2025-12. This period delivered two major features in ia2407-114/114-1-University-college-C-plus-plus-program, with no explicit bug fixes documented in the provided data. Key outcomes include an E constant approximation using factorial terms, enabling a user-specified max factorial value to estimate e, and a comprehensive student scoring and grading workflow that analyzes survey responses, sorts by student IDs, computes averages and modes, displays sorted results, and ranks students by performance. Business impact: enhances numerical analysis capabilities and provides a robust analytics pipeline for student evaluation, supporting faster, data-driven decisions and potential LMS integration. Technologies demonstrated include C++ development, algorithm design for numerical methods and statistics, data processing (sorting and ranking), and disciplined version control with a clear commit history.
5 Commits • 2 Features
Dec 1, 2025Month: 2025-12. This period delivered two major features in ia2407-114/114-1-University-college-C-plus-plus-program, with no explicit bug fixes documented in the provided data. Key outcomes include an E constant approximation using factorial terms, enabling a user-specified max factorial value to estimate e, and a comprehensive student scoring and grading workflow that analyzes survey responses, sorts by student IDs, computes averages and modes, displays sorted results, and ranks students by performance. Business impact: enhances numerical analysis capabilities and provides a robust analytics pipeline for student evaluation, supporting faster, data-driven decisions and potential LMS integration. Technologies demonstrated include C++ development, algorithm design for numerical methods and statistics, data processing (sorting and ranking), and disciplined version control with a clear commit history.
December 2025
November 2025
3 Commits • 2 Features
Nov 1, 2025Month: 2025-11 — Key deliverables in ia2407-114/114-1-University-college-C-plus-plus-program focused on numerical methods and geometry utilities. Implemented an e^x calculation using a series expansion with error analysis and validated by comparison to the standard library exp, and added geometry utilities to compute volume and surface area for spheres and cylinders with a pi approximation. These work items deliver teachable numerical techniques, reusable math utilities, and measurable accuracy metrics, laying groundwork for future testing and curriculum integration.
November 2025
3 Commits • 2 Features
Nov 1, 2025Month: 2025-11 — Key deliverables in ia2407-114/114-1-University-college-C-plus-plus-program focused on numerical methods and geometry utilities. Implemented an e^x calculation using a series expansion with error analysis and validated by comparison to the standard library exp, and added geometry utilities to compute volume and surface area for spheres and cylinders with a pi approximation. These work items deliver teachable numerical techniques, reusable math utilities, and measurable accuracy metrics, laying groundwork for future testing and curriculum integration.
October 2025
14 Commits • 3 Features
Oct 1, 20252025-10 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Key features delivered include: 1) Basic Math Utilities & Grade Analysis Suite (arithmetic ops, min/max, averages, class averages, student-grade analytics, factorial/e approximations). 2) BMI Calculator Improvements (robust input handling, corrected categorization ranges). 3) Compound Interest Calculators (two programs with optional deposits and savings goals). No critical bugs reported; addressed input robustness and correctness in BMI tooling. Overall impact: enhanced classroom analytics, reliable student performance insights, and practical financial planning tools, accelerating classroom adoption. Technologies/skills demonstrated: C++, algorithm design, numerical methods, input validation, and maintainable modular code.
14 Commits • 3 Features
Oct 1, 20252025-10 monthly summary for ia2407-114/114-1-University-college-C-plus-plus-program. Key features delivered include: 1) Basic Math Utilities & Grade Analysis Suite (arithmetic ops, min/max, averages, class averages, student-grade analytics, factorial/e approximations). 2) BMI Calculator Improvements (robust input handling, corrected categorization ranges). 3) Compound Interest Calculators (two programs with optional deposits and savings goals). No critical bugs reported; addressed input robustness and correctness in BMI tooling. Overall impact: enhanced classroom analytics, reliable student performance insights, and practical financial planning tools, accelerating classroom adoption. Technologies/skills demonstrated: C++, algorithm design, numerical methods, input validation, and maintainable modular code.
October 2025
September 2025
10 Commits • 1 Features
Sep 1, 2025September 2025 performance highlights for ia2407-114/114-1-University-college-C-plus-plus-program: Delivered a reusable C++ Console Application Template and Project Scaffolding with x86/x64 Hello World/I/O templates and solution/project configurations, enabling fast, consistent project creation and reducing setup time for future C++ initiatives. Completed repository hygiene by removing deprecated directories and dead code, improving maintainability and reducing confusion for developers and CI processes. The work accelerates onboarding, standardizes boilerplate, and strengthens cross-platform build readiness, aligning with our goals of faster value delivery and reduced technical debt.
September 2025
10 Commits • 1 Features
Sep 1, 2025September 2025 performance highlights for ia2407-114/114-1-University-college-C-plus-plus-program: Delivered a reusable C++ Console Application Template and Project Scaffolding with x86/x64 Hello World/I/O templates and solution/project configurations, enabling fast, consistent project creation and reducing setup time for future C++ initiatives. Completed repository hygiene by removing deprecated directories and dead code, improving maintainability and reducing confusion for developers and CI processes. The work accelerates onboarding, standardizes boilerplate, and strengthens cross-platform build readiness, aligning with our goals of faster value delivery and reduced technical debt.
Activity
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Quality Metrics
Correctness81.8%
Maintainability77.6%
Architecture71.4%
Performance76.8%
AI Usage21.6%
Skills & Technologies
Programming Languages
CC++XML
Technical Skills
Algorithm DevelopmentArithmetic operationsBasic AlgorithmsBasic ArithmeticBasic C programmingBasic C++ ProgrammingBasic Input/OutputBasic ProgrammingBinary File I/OC ProgrammingC programmingC++C++ DevelopmentC++ programmingConditional Logic
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