Praful932 / CS50-Projects

Repository containing Projects submitted during Harvard's CS50x 2018-19 Course

Harvard's CS50x Course - Assignments

Problem Set 0

• Scratch - A game implemented in Scratch, Can be accessed here.

Problem Set 1

• Hello - "Hello World" Program.
• Mario - Two Versions(less and more comfortable).Progam to Print Pyramid like Mario Pattern.
• Cash - Given a number, output the minumum number of coins it could take(Greedy Algorithm).
• Credit - Given a number, determines whether input is a valid credit card number (using Lugn's algorithm) and it's type.

Problem Set 2

• Caesar - Given a key(number), encrypt the input given as a commandline argument.
• Vigenere - Given a key(string), encrypt the input given as a commandline argument.
• Crack - Crack a max 5 letter password, given its input hash.

Problem Set 3

• Whodunit - Discover the hidden message in the image by changing all red pixels to white pixels.
• Resize(less) - Resize a bitmap image by a factor of n to reduce its size.
• Recover - Iterate over raw memory of data and extract images.

Problem Set 4

• Speller - Two Spell Checker programs implemented using Hashtable and Trie.

Problem Set 5

• Homepage - Design a simple Website using HTMlL,CSS and Bootstrap. Can be accessed here.

Problem Set 6

• Hello.py - Re-implementation of Hello from pset1 using Python
• Mario.py - Re-implementation of Mario from pset1 using Python.
• Credit.py - Re-implementation of Credit from pset1 using Python.
• Crack.py - Re-implementation of Crack from pset2 using Python.
• Bleep.py - Implement a program to censor a list of banned words in a given message as input.

Problem Set 7

• Similarites - Implemented a Web App that compares for similarites across files.
• Survey - A Web App that takes a survey and stores the submissions in a csv file.

Problem Set 8

• Finance - A Website where users can buy and sell stocks.