CS50 2022/2023 Curriculum - Completed Projects

This repository contains my completed work for Harvard's CS50: Introduction to Computer Science course (2022/2023 curriculum). The course covers fundamental concepts in computer science and programming through hands-on problem sets and projects.

📚 Course Overview

CS50 is Harvard University's introduction to computer science and programming, covering topics such as:

• Computational thinking and problem-solving
• Programming languages (C, Python, SQL, JavaScript, CSS, HTML)
• Data structures and algorithms
• Software engineering principles
• Web development
• Database design

🗂️ Project Structure

Week 1 - C Programming Fundamentals

• Hello - First C program
• Mario - ASCII art pyramids with loops and conditionals
• Cash - Greedy algorithm for making change
• Credit - Credit card number validation using Luhn's algorithm

Week 2 - Arrays and Strings

• Scrabble (Lab) - Calculate Scrabble word scores
• Caesar - Caesar cipher encryption/decryption
• Readability - Text readability analysis using Coleman-Liau index
• Substitution - Substitution cipher implementation

Week 3 - Algorithms and Sorting

• Sort (Lab) - Analysis of sorting algorithm performance
• Plurality - Simple voting system
• Runoff - Instant runoff voting system
• Tideman - Advanced ranked-choice voting with Tideman algorithm

Week 4 - Memory Management

• Volume (Lab) - Audio file manipulation
• Filter - Image filtering and manipulation (grayscale, blur, edges, etc.)
• Recover - Digital forensics - recover deleted JPEG files

Week 5 - Data Structures

• Inheritance (Lab) - Genetic inheritance simulation
• Speller - Spell checker using hash tables and tries

Week 6 - Python Programming

• World Cup (Lab) - Tournament simulation
• DNA - DNA sequence analysis for identification
• Sentimental series - Python versions of earlier C programs:
  • Cash, Hello, Mario, Readability

Week 7 - SQL and Databases

• Songs (Lab) - Music database queries
• Movies - Complex SQL queries on movie database
• Fiftyville - SQL-based mystery solving

Week 8 - Web Development (HTML, CSS, JavaScript)

• Trivia (Lab) - Interactive trivia web application
• Homepage - Personal website with HTML, CSS, and JavaScript

Week 9 - Flask Web Applications

• Birthdays (Lab) - Birthday tracking web app
• Finance - Stock trading simulation web application

Final Project

• Custom Project - Personal web application demonstrating learned concepts

🛠️ Technologies Used

• C - Low-level programming, memory management, algorithms
• Python - Data analysis, web development, scripting
• SQL - Database queries and design
• HTML/CSS/JavaScript - Web development and user interfaces
• Flask - Python web framework
• SQLite - Database management

📋 Learning Outcomes

Through completing this curriculum, I gained experience in:

• Problem decomposition and algorithmic thinking
• Multiple programming paradigms and languages
• Data structures implementation and analysis
• Memory management and optimization
• Web development full-stack principles
• Database design and SQL proficiency
• Software engineering best practices

🎓 Course Completion

This repository represents my complete journey through Harvard's CS50 course, demonstrating progression from basic programming concepts to complex web applications and data analysis.

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Course: CS50 - Introduction to Computer Science
Institution: Harvard University
Academic Year: 2022/2023