My solutions to the problem sets from the CS50 Introduction to Computer Science course.

Part 1: C

Problem Set 1

• Implement some basic programs in C:
  • hello world
  • mario prints out a pyramid of # symbols
  • credit identifies a credit card provider by the card number

Problem Set 2

• Brute force password cracker
• Vigenere cipher encoder

Problem Set 3

• Implement a few helper functions for a music synthesiser

Problem Set 4

• Edit hex codes in raw BMPs to reveal a hidden image
• Script for Resizing BMP files
• Recover data from a "corrupted" memory card by scanning for JPEG headers

Problem Set 5

• Implement spell checker
  • Load dictionary data from text file into hash table
  • Perform case-insensitive spelling checks on strings
  • Optimise load, check and unload times

Part 2: Python

Problem Set 6

• Repeat majority of C exercises in python

Problem Set 7

• Build Flask app that simulates stock exchange
  • Allows buying and selling of shares using real (historical) stock data

Problem Set 8

• Build Flask app which pins news stories to a map