A guide to the ‘Speller’ problem in CS50 Week 5. — A guide to the ‘Speller’ problem in CS50 Week 5. Goal: To implement a spell checker program in C. …

A guide to the ‘recover’ problem in CS50 Week 4. — A guide to the ‘recover’ problem in CS50 Week 4. Goal: To write a program in C that can recover JPEG images from a forensic file. The program must accept one and only one command line argument, the name of the file the images will be recovered from. The program…

A guide to the ‘Filter’ problem in CS50 Week 4 (more difficult version). — A guide to the ‘Filter’ problem in CS50 Week 4 (more difficult version). Goal: To write a series of functions in C that apply various image filters to bmp inputs. The grayscale function should take an image and turn it into a black and white version of the same image. …

A guide to the ‘Tideman’ problem in CS50 Week 3. — A guide to the ‘Tideman’ problem in CS50 Week 3. Goal: To write functions to determine the winner of a tideman election and to print the name of the winner. …

A guide to the ‘Plurality’ problem in CS50 Week 3. — A guide to the ‘Plurality’ problem in CS50 Week 3. Goal: To write functions to determine the winner of a plurality election and to print the name of the winner. The vote function takes a single argument, a string called name, representing the name of the candidate who was voted…

A guide to the ‘Substitution’ problem in CS50 Week 2. — A guide to the ‘Substitution’ problem in CS50 Week 2. Goal: To write a program in C that implements a substitution cypher, as per the below. $ ./substitution JTREKYAVOGDXPSNCUIZLFBMWHQ plaintext: HELLO ciphertext: VKXXN The program must encrypt only the letters, irrespective of whether they are upper or lower case. $…

Implementing a Readability program that computes the approximate grade level needed to comprehend text samples. — A guide to the ‘Readability’ problem in CS50 Week 2. Goal: To write a program that takes an input text and returns the grade level of complexity. …

A walkthrough of the ‘credit’ problem in CS50 Week 1. — A guide to the ‘credit’ problem in CS50 Week 1. Goal: To write a program in C that can validate credit card numbers using the Luhn Algorithm, and return whether a valid card number is Mastercard, Visa or Amex. …

My attempt at describing a solution to the more difficult version of the ‘Mario’ problem. — A guide to the more difficult version of the ‘Mario’ problem in CS50 Week 1. Goal: To write a program in C that outputs a pyramid of blocks (using the # symbol) of a given size, with a gap in the middle.