This repository contains my completed coursework for CS50x, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming. The curriculum emphasizes computational thinking, algorithmic efficiency, and practical software development across multiple programming paradigms.
CS50x provides a comprehensive foundation in the following domains:
- Procedural Programming – C language, memory management, pointers, and data structures
- Algorithm Design – Sorting, searching, recursion, and complexity analysis
- Data Structures – Arrays, linked lists, hash tables, tries, queues, and stacks
- Object-Oriented Programming – Python, classes, inheritance, and modular design
- Database Management – SQL, relational models, and CRUD operations
- Web Development – HTML, CSS, JavaScript, and the Flask framework
Throughout this course, I developed solutions to challenging problem sets that strengthened my problem-solving abilities and deepened my understanding of how software functions at both high and low levels.
| Project | Domain | Description |
|---|---|---|
| Hello | C | Introductory program demonstrating basic syntax and compilation |
| Caesar | C | Command-line encryption tool implementing Caesar's cipher |
| Substitution | C | Encryption utility using a substitution cipher with key validation |
| Speller | C | Dictionary-based spell checker utilizing hash tables for O(1) lookups |
| Finance | Python/Flask | Full-stack web application for virtual stock portfolio management |
All projects are implemented with clarity, efficiency, and strict adherence to CS50's style and design guidelines.
- Languages: C, Python, SQL, HTML5, CSS3, JavaScript (ES6)
- Frameworks: Flask, Jinja2
- Databases: SQLite3
- Tools: Git, CS50 IDE, Valgrind, Check50, Debug50
This repository is shared for educational reference and portfolio demonstration purposes.
Academic Integrity Notice: Direct copying or submission of this code as your own work violates academic honesty policies. Please review the CS50 Academic Honesty Policy before using any materials. The purpose of sharing this repository is to inspire learning and provide reference material—not to facilitate academic dishonesty.
For inquiries, collaboration opportunities, or feedback, feel free to reach out:
- Email: vviiddaa2@gmail.com
- LinkedIn: linkedin.com/in/vida-khoshpey
This work would not have been possible without the exceptional instructional materials and support provided by:
- Harvard University – CS50x course staff and teaching fellows
- Professor David J. Malan – For exemplary lectures, clarity, and pedagogical excellence
- edX Platform – For accessible online delivery of course content
"This is CS50."
— Vida Khoshpey
This project is distributed under the MIT License. Refer to the LICENSE file for complete terms and conditions.
Thank you for visiting my repository. Happy coding!