Track Awesome Algorithms Updates Daily

A curated list of awesome places to learn and/or practice algorithms.

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[ Daily / Weekly / Overview ]

Apr 05, 2023

Books / Algorithms and Data structures

• Standford CS166 - Standford CS166, a course in the design, analysis, and implementation of data structures.

Feb 03, 2023

Youtube Playlists

• FreeCodeCamp - Algorithms and Data Structures Tutorial - Full Course for Beginners - Complete beginner friendly Algorithms and Data Structures Tutorial with mindblowing animation.

• Abdul Bari - Introduction to Algorithm - This playlist is so much informative and provide simulation with code example. As like as you are in a class.

• Jenny's Lectures- Algorithm - Another complete alogrithm playlist from basic level to intermediate. Easy explanation and simulation.

May 09, 2022

Online Courses

• MIT 18-409 - Topics in Theoretical Computer Science: An Algorithmist's Toolkit - It covers a collection of geometric techniques that apply broadly in modern algorithm design.

May 06, 2022

Online Courses

• MIT - 6-006 - Well explained algorithms.

Mar 01, 2022

Websites

• A Visual Guide to Graph Traversal Algorithms - Interactive visualizations for learning how graph traversal algorithms work.

• Code-Drills - Practice problems recommender (includes Codeforces, Codechef, and Spoj).

• CP-Algorithms - Algorithms and data structures are especially popular in the field of competitive programming.

• Geeks for Geeks - Lots and lots of well-explained and implemented algorithms.

• Path Finding - A visual representation of how algorithms such as A*, IDA*, Breadth-First-Search, Best-First-Search, and others describe a path between two points A and B.

• Rosetta Code - A programming chrestomathy site that aims to present implementations of many algorithms and data structures in different programming languages.

• Learnersbucket - Tutorials on data structures and algorithms in Javascript.

Online Courses

• Algorithms, Part I - This course covers the essential information that every serious programmer needs to know about algorithms and data structures. Part I covers elementary data structures, sorting, and searching algorithms.

• Khan Academy Algorithms - Algorithm course ministered by Tomas Cormen and Devin Balkcom.

• MIT - 6-00sc - An easy and well-explained introduction to algorithms.

• YogiBearian YouTube Channel - Lots of well-explained videos on various computer science subjects. Account terminated due to violations of Youtube Policies.

Books / Algorithms and Data structures

• Algorithm Design - Pretty straightforward.

• Swift Algorithms & Data Structures - A practical guide to concepts, theory, and code.

• The Algorithm Design Manual - Easy to read and full of real-world examples.

• Algorithmic Puzzles - A very accessible illustration of algorithms in the forms of puzzles. No programming experience is required!

Online Judges / Randomized Algorithms

• Algo Muse - Research-based algorithmic problems.

• Codefights - Practice programming and tackle your next tech interview

• CodeMarshal - Real-world contests online!

• Coding Blocks - Website that has problems based on Maths, Data Structures, Various Algorithm and also conducts Coding Competition.

• HackerEarth - Practice algorithmic problems & challenges and participate in hiring challenges.

• HiHoCoder - Chinese and English problem-solving practice and recruitment challenge site.

• Interviewbit - Learn, practice, and prepare for interviews.

• ProjectEuler - Mathematical problems that can be solved using algorithms (or just a pencil, depending on how much you already know).

• Rosalind - A platform for learning bioinformatics and programming through problem-solving.

• TopCoder - Lots of problems and real-world/money-worthy problems in Graphic Design, Data Science, and Development.

• Toph - Bangladeshi Online Judge. Holds online contests regularly.

• URI - Brazilian Online Judge. Not so many problems, but it's growing and it has online contests.

• UVA - Hundreds of problems (from previous ACM-ICPC Regionals, World Finals, and others).

Blogs / Randomized Algorithms

• Sport of Programming - Informative blog for starting with the sport of programming.

• Algorithms and Data Structures - For getting a deeper knowledge of algorithms and how to think in the right direction.

Related Awesome Lists / Randomized Algorithms

• Theoretical Computer Science (⭐375) - The interdisciplinary of Mathematics and Computer Science, Distinguished by its emphasis on mathematical technique and rigour.

Jul 07, 2021

Related Awesome Lists / Randomized Algorithms

• Math (⭐7k) - Freely available lecture notes on mathematics.

Jul 04, 2021

Github Libraries / Randomized Algorithms

• PHP
  • by @TheAlgorithms (⭐1.1k)

Jun 22, 2021

Github Libraries / Randomized Algorithms

• Java
  • by @jpa99 (⭐110)
  • by @phishman3579 (⭐4.2k)
  • by @asmolich (⭐14)
  • by @psjava (⭐70)
  • by @jeandersonbc (⭐22)
  • by @pedrovgs (⭐2.8k)
  • by @Erdos-Graph-Framework (⭐112)
  • by @deepak-malik (⭐131)
  • by @yusufcakal (⭐23)
  • by @FarheenB (⭐132)

Jun 07, 2021

Websites

• CodeChef - Learning DSA by practice on Codechef

Mar 17, 2021

Websites

• redblobgames - interactive visual explanations of math and algorithms, using motivating examples from computer games.

Mar 05, 2021

Websites

• W3School - Data Structures tutorial.

Books / Algorithms and Data structures

• Algorithms in a Nutshell - by George T. Heineman.

Books / Algorithm Analysis

• Sedgewick & Flajolet. An Introduction to the Analysis of Algorithm - Am advanced complete survey, intended only for the mathematically matured reader.

• McConnell. Analysis of Algorithms - A very accessible and brief book on algorithms analysis, with implemented code included.

• Vrajitoru & Knight. Practical Analysis of Algorithms - A very accessible and brief book on algorithms analysis, with implemented code included.

Books / Randomized Algorithms

• Motwani & Raghavan. Randomized Algorithms - A standard classic book.

• Mitzenmacher & Upfal. Probability and Computing: Randomization and Probabilistic Techniques in Algorithms and Data Analysis - Standard text for probability methods and their applications on randomized algorithms.

Jan 10, 2021

Github Libraries / Randomized Algorithms

• Go
  • by @arnauddri (⭐1.8k)
  • by @floyernick (⭐2.7k)

Jan 02, 2021

Github Libraries / Randomized Algorithms

• Language agnostic
  • by @kennyledet (⭐2.2k)
  • by @indy256 (⭐1.8k)
  • by @sagivo (⭐3.3k)
  • by @patmorin (⭐1.1k)
  • by @btjanaka (⭐3)

Sep 11, 2020

Cheat Sheets / Randomized Algorithms

• Rice university DS course in short

Sep 08, 2020

Github Libraries / Randomized Algorithms

• Python
  • by @nryoung (⭐2.8k)
  • by @prakhar1989 (⭐2.9k)
  • by @laurentluce (⭐265)
  • by @nbro (⭐51)
  • by @keon (⭐22k)
  • by @vinta (⭐622)

Aug 11, 2020

Websites

• Programiz - Easy to follow tutorials on data structures and algorithms along with suitable examples.

Online Judges / Randomized Algorithms

• Codility - Compete to land coding jobs at top companies

Blogs / Randomized Algorithms

• Algorithm Tutorials by Tanuj Khattar - Excellent blog by Tanuj Khattar. Covers tutorials on some interesting data structures along with example problems to solve.

Feb 02, 2020

Cheat Sheets / Randomized Algorithms

• Algo Deck (⭐5k) - An open-source collection of +200 algorithmic cards.

Jan 07, 2020

Books / Algorithms and Data structures

• Real World Algorithms: A Beginner's Guide - An introduction to algorithms for readers with no background in advanced mathematics or computer science.

Dec 21, 2019

Github Libraries / Randomized Algorithms

• Lua
  • by @evandrolg (⭐45)

Oct 30, 2019

Github Libraries / Randomized Algorithms

• C
  • by @fragglet (⭐2.9k)
  • by @TheAlgorithms (⭐16k)

Oct 16, 2019

Books / Algorithms and Data structures

• Data Structures and Algorithms Made Easy - A great way to implement algorithms with their specific programmable tasks.

Online Judges / Randomized Algorithms

• Firecode - Firecode.io uses machine learning algorithms along with curated real-world interview questions, solutions & a vibrant social community of learners to get you ready for your next coding interview.

Oct 03, 2019

Blogs / Randomized Algorithms

• An awesome list for competitive programming! - Awesome blog for all the resources and list of books and algorithms.

• Algorithms Weekly - A good blog by Petr Mitrichev, mainly in Java.

Sep 01, 2019

Github Libraries / Randomized Algorithms

• JavaScript
  • by @jiayihu (⭐2.2k)
  • by @felipernb (⭐3.6k)
  • by @nzakas (⭐8.8k)
  • by @duereg (⭐918)
  • by @mgechev (⭐7.6k)
  • by @trekhleb (⭐166k)
  • by @ManrajGrover (⭐187)
  • by @amejiarosario (⭐7.2k)
  • by @zonayedpca (⭐95)

Aug 28, 2019

Books / Algorithms and Data structures

• Algorithms and Data Structures in Action - A different and a great way to introduce algorithms and data structures that can be used at work.

Jun 13, 2019

Github Libraries / Randomized Algorithms

• C++
  • by @xtaci (⭐4.8k)
  • by @PetarV- (⭐600)
  • by @faheel (⭐491)
  • by @sslotin (⭐140)

May 27, 2019

Cheat Sheets / Randomized Algorithms

• The Technical Interview Cheat Sheet

• Princeton DS Cheat Sheet

• CLRS in short

• Useful Reddit thread

Apr 30, 2019

Books / Algorithms and Data structures

• Algorithms and Data Structures in JavaScript - Classical algorithms and data structures implemented and explained using JavaScript.

Apr 01, 2019

Websites

• Stoimen's web log - Some algorithms nicely explained.

Nov 04, 2018

Books / Algorithms and Data structures

• Classic Computer Science Problems in Python -This great book presents dozens of coding challenges, ranging from simple tasks to clustering data using k-means.

Oct 21, 2018

Books / Algorithms and Data structures

• Structure and Interpretation of Computer Programs

Jun 27, 2018

Online Judges / Randomized Algorithms

• AtCoder - Japanese programming contest website.

Mar 10, 2018

Online Judges / Randomized Algorithms

• Baekjoon Online Judge - Korean Online Judge. 10000+ problems. Supports 60+ languages.

Nov 28, 2017

Websites

• The Sound of Sorting - The Sound of Sorting - "Audibilization" and Visualization of Sorting Algorithms

Oct 30, 2017

Online Judges / Randomized Algorithms

• A2 Online Judge - Online Judge and problem archive.

Oct 08, 2017

Online Courses

• Algorithms in Motion - Beginner's algorithms course with fun illustrations, based on the book Grokking Algorithms

May 20, 2017

Github Libraries / Randomized Algorithms

• C#
  • by @shkolovy (⭐26)
  • by @aalhour (⭐5.4k)
  • by @justcoding121 (⭐1.1k)

May 02, 2017

Online Courses

• MIT - 6-046j - Similar to the previous one, but with different algorithms.

Online Judges / Randomized Algorithms

• ACM-ICPC Live Archive - Hundreds of problems from previous ACM-ICPC Regionals and World Finals.

• CS Academy - Holds online contests and IOI practice contests

• CodeChef - More problems and monthly online contests.

• CodeWars - A website that houses support to solve algorithms in many languages in varying difficulty.

• Kattis- Online judge and problem archive

Mar 29, 2017

Github Libraries / Randomized Algorithms

• Ruby
  • by @kanwei (⭐2.6k)
  • by @sagivo (⭐3.3k)
  • by @kumar91gopi (⭐659)

Jan 26, 2017

Online Courses

• Algorithms: Divide and Conquer, Sorting and Searching, and Randomized Algorithms - The primary topics are: asymptotic ("Big-oh") notation, sorting and searching, divide and conquer, and randomized algorithms.

• Algorithms: Graph Search, Shortest Paths, and Data Structures - The primary topics are: data structures, graph primitives, and their applications.

• Algorithms: Greedy Algorithms, Minimum Spanning Trees, and Dynamic Programming - The primary topics are: greedy algorithms and dynamic programming.

• Algorithms: Shortest Paths Revisited, NP-Complete Problems and What To Do About Them - The primary topics are: shortest paths, NP-completeness and what it means for the algorithm designer, and strategies for coping with computationally intractable problems.

• Algorithms, Part II - Part II focuses on graph- and string-processing algorithms.

Nov 23, 2016

Online Judges / Randomized Algorithms

• Snakify - An introductory Python course with 100+ algorithmic problems and a step-by-step debugger (from Russia).

Oct 26, 2016

Websites

• Algorithm Visualizer - Dozens of animated algorithms (with code), and you can also create your own.

• Algorithms Visualization - A dense article on Algorithms Visualization.

• Big-O Cheat Sheet - Big-O complexities of common algorithms used in Computer Science.

• Data Structure Visualizations - Visualize the behavior of Data Structures and play with its operations.

• Sorting Algorithms - Nice and simple animations of sorting algorithms. With short codes and discussions.

• VisuAlgo - Visualising data structures and algorithms through animation.

• Wikipedia - Algorithms - Of course!!

• Wikipedia - Data Structures - and why not ?!!

Online Courses

• Udacity Intro to Algorithms - Python-based Algorithms course.

Books / Algorithms and Data structures

• Algorithms - Problems explained with Java, OO good practices, visualizations, and free online resources.

• Data Structures Using C - The basic concepts and usages of data structures.

• Elementary Algorithms (⭐5.6k) - An awesome book about algorithms and data structures.

• Grokking Algorithms - An illustrated book on algorithms with practical examples.

• Introduction to Algorithms - Essential!

• The Art of Computer Programming - The Book.

Online Judges / Randomized Algorithms

• AIZU ONLINE JUDGE - Japanese Online Judge.

• Codeforces - The only programming contests Web 2.0 platform

• CoderByte - A decent website with algorithm challenges from beginner to advanced levels. Supports most of the popular languages like C++, python, javascript, ruby.

• HackerRank - Featured algorithm and functional programming online judges

• Infoarena - Romanian Online Judge. 1500+ algorithmic problems

• LavidaOnlineJudge - Korean Online Judge(Half English). 1300+ problems.

• Learneroo Algorithms Tutorials - Learn and practice algorithms by solving challenges online.

• LeetCode - Learn algorithms and prepare for interviews.

• PKU JudgeOnline - Chinese Online Judge.

• SPOJ - More problems.

Feb 03, 2016

Github Libraries / Randomized Algorithms

• Swift
  • by @kingreza (⭐38)
  • by @waynewbishop (⭐2.1k)
  • by @hollance (⭐28k)

Nov 21, 2015

Online Judges / Randomized Algorithms

• ShareCode.io - Online Judge and contest host with a lot of algorithmic problems in the archive to practice.

Jul 08, 2015

Tools / Randomized Algorithms

• interactive-coding-challenges (⭐27k) - Interactive, test-driven coding challenges (algorithms and data structures).

Jul 23, 2014

Github Libraries / Randomized Algorithms

• Objective-C
  • by @ EvgenyKarkan (⭐2.4k)

Jul 18, 2014

Github Libraries / Randomized Algorithms

• Erlang (⭐146)

Jul 17, 2014

Github Libraries / Randomized Algorithms

• Scala (⭐1.4k)

Jul 16, 2014

Github Libraries / Randomized Algorithms

• CoffeeScript (⭐36)