hheghine/Mastering-Coding-Patterns

A collection of interesting problem-solving challenges from different websites, as well as content from Picsart Academy and Code Republic.

Mastering Coding Patterns

Coding patterns enhance our ability to map a new problem to an already known problem.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠐⠉⠁⠀⠉⠉⢻⣶⣤⡀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⢸⣿⡇⠀⣿⣿⡇⣿⣿⡇⣼⣿⣿⣿⣿⣿      
⠀⠀⠀⠀⠀⠀⢀⢀⠎⠀⠀⢀⣀⣤⣤⣀⣘⣿⣿⣿⣆⠀⠀⠀⠀⠀⠉⠉⣿⣿⠉⠉⢸⣿⡇⠀⣿⣿⡃⣿⣿⡇⣿⣿⡇⠀⣿⣿    ⣿⡇⢴⣿⣿⣿⡆⠀⢸⣿⣿⣿⣿⣿⣿⠀⣿⡇⢸⣿⣿⣿⡇
⠀⠀⠀⠀⠀⠀⢠⣏⡀⠀⠀⠈⣉⣻⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⢸⣿⣧⣤⣿⣿⡇⣿⣿⡇⠻⣿⣷⣦⡀⠀    ⣿⡇⢸⣿⡀⠛⠃⠀⠀⠀⣿⡇⠀⣿⣿⠀⣿⡇⢸⣿⠀⠀
⠀⠀⠀⠀⡠⠂⠀⠏⣀⡀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⣿⣿⠀⠀⢸⣿⡟⠛⣿⣿⡇⣿⣿⡇⠀⠈⠻⢿⣿⣦    ⣿⡇⠈⠻⢿⣶⡄⠀⠀⠀⣿⡇⠀⣿⣿⠿⣿⡇⢸⣿⠿⠿⠇
⠀⠀⠀⣴⣤⣴⠞⢻⣿⠛⢿⣆⠀⠀⣿⣠⣿⣿⣿⣿⣿⠀⠀      ⣿⣿⠀⠀⢸⣿⡇⠀⣿⣿⡇⣿⣿⡇⣿⣿⡇⠀⣿⣿⠀   ⣿⡇⢰⣶⡀⣿⡇⠀⠀⠀⣿⡇⠀⣿⣿⠀⣿⡇⢸⣿⣀⣀⡀
⠀⠀⠀⣿⣿⠟⠀⡘⠋⠉⣙⣻⣇⠀⢹⣿⣿⣿⣿⣿⣿⣇⠀⠀⠀⠀⠀⠀⠛⠛⠀⠀⠘⠛⠃⠀⠛⠛⠃⠛⠛⠃⠈⠛⠛⠛⠛⠋⠀   ⠿⠇⠸⠿⠿⠿⠇⠀⠀⠀⠿⠇⠀⠿⠿⠀⠿⠇⠸⠿⠿⠿⠇
⠀⠀⠀⣿⣡⡄⠚⠻⢿⣿⣿⠿⣿⡆⢻⣿⣿⣿⣿⣿⣿⣿⡆⠀⠀⠀
⠀⠀⠀⣿⡿⢿⢆⠀⠀⠥⣖⣿⣿⣿⡈⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀⠀               ⣶⣶⡆⠀⣶⣶⠀⢰⣶⣶⠀⢰⣶⣶⡀⢲⣶⣦⠀⢰⣶⣶
⠀⠀⠤⠁⠤⢤⣦⣶⣿⣿⣿⣿⣿⣿⣷⣬⣿⣿⣿⣿⣿⣿⣿⣿⡄⠀               ⢸⣿⣧⠀⣿⣿⡇⢸⣿⣿⠀⣿⣿⣿⡇⠈⣿⣿⡀⣼⣿⡏
⠀⠀⠀⠀⠀⠀⠈⠙⠻⡿⢿⣿⠿⠛⢻⠛⢿⣿⣿⣿⣿⣿⡿⠿⠛⠀               ⢸⣿⣿⢸⣿⣿⡇⣼⣿⡇⢸⣿⡿⣿⣧⠀⢻⣿⣇⣿⣿⠁
⠀⠀⠀⠀⠀⣀⡀⢀⣪⣀⣀⠀⣀⣠⣤⣷⣾⣿⣿⣿⣿⣿⣿⣷⣄⠀               ⠀⣿⣿⢸⣿⣿⣇⣿⣿⠇⢸⣿⡇⣿⣿⡀⠘⣿⣿⣿⡏
⠀⠀⣐⣋⣿⣿⣿⠿⡿⠁⢠⣾⣿⣿⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷               ⠀⣿⣿⣿⣿⢿⣿⣿⣿⠀⣾⣿⠷⢿⣿⡇⠀⢻⣿⣿⠀⠀
⣠⣾⣿⣿⣿⠁⠀⢠⠁⢠⠏⣿⡿⠁⣸⡝⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿               ⠀⢸⣿⣿⡏⢸⣿⣿⡿⢰⣿⣿⠀⢸⣿⣷⠀⢸⣿⣿⠀
                                               ⠀⢸⣿⣿⡇⢸⣿⣿⡇⢸⣿⡇⠀⠀⣿⣿⠀⢸⣿⣿     

Data Structures and Algorithms

• http://www.ideserve.co.in/
• https://medium.freecodecamp.org/i-built-an-app-that-makes-learning-algorithms-and-data-structures-way-more-fun-46fbb8afacaf

Skill Practice

• https://www.hackerrank.com/
• https://projecteuler.net/
• https://leetcode.com/
• https://codesignal.com/
• https://coderbyte.com/
• https://www.codechef.com/
• https://www.spoj.com/
• https://www.urionlinejudge.com.br/
• https://codeforces.com/
• https://www.interviewbit.com/courses/programming/

Stanford Online Course

• http://web.stanford.edu/class/archive/cs/cs161/cs161.1168/
• http://online.stanford.edu/courses