awesome-algorithms

Interactive visualizations for learning how graph traversal algorithms work

Data Structures tutorial

Learning DSA by practice on Codechef

Dozens of animated algorithms (with code), and you can also create your own

A dense article on Algorithms Visualization

Big-O complexities of common algorithms used in Computer Science

Practice problems recommender (includes Codeforces, Codechef, and Spoj)

Algorithms and data structures are especially popular in the field of competitive programming

Visualize the behavior of Data Structures and play with its operations

Lots and lots of well-explained and implemented algorithms

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

Easy to follow tutorials on data structures and algorithms along with suitable examples

A programming chrestomathy site that aims to present implementations of many algorithms and data structures in different programming languages

Nice and simple animations of sorting algorithms. With short codes and discussions

Some algorithms nicely explained

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

Visualising data structures and algorithms through animation

Of course!!

and why not ?!!

Tutorials on data structures and algorithms in Javascript

interactive visual explanations of math and algorithms, using motivating examples from computer games

Tim Roughgarden, a pioneer of computer science, offers a companion to his book, with lecture videos and slides

Complete beginner friendly Algorithms and Data Structures Tutorial with mindblowing animation

This playlist is so much informative and provide simulation with code example. As like as you are in a class

Another complete algorithm playlist from basic level to intermediate. Easy explanation and simulation

The primary topics are: asymptotic ("Big-oh") notation, sorting and searching, divide and conquer, and randomized algorithms

The primary topics are: data structures, graph primitives, and their applications

The primary topics are: greedy algorithms and dynamic programming

The primary topics are: shortest paths, NP-completeness and what it means for the algorithm designer, and strategies for coping with computationally intractable problems

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

Part II focuses on graph- and string-processing algorithms

Algorithm course ministered by Tomas Cormen and Devin Balkcom

Well explained algorithms

Similar to the previous one, but with different algorithms

An easy and well-explained introduction to algorithms

It covers a collection of geometric techniques that apply broadly in modern algorithm design

Python-based Algorithms course

Beginner's algorithms course with fun illustrations, based on the book Grokking Algorithms

Pretty straightforward

Problems explained with Java, OO good practices, visualizations, and free online resources

Classical algorithms and data structures implemented and explained using JavaScript

by George T. Heineman

-This great book presents dozens of coding challenges, ranging from simple tasks to clustering data using k-means

A great way to implement algorithms with their specific programmable tasks

The basic concepts and usages of data structures

Elementary Algorithms

An awesome book about algorithms and data structures

An illustrated book on algorithms with practical examples

Essential!

An introduction to algorithms for readers with no background in advanced mathematics or computer science

A practical guide to concepts, theory, and code

Easy to read and full of real-world examples

The Book

A different and a great way to introduce algorithms and data structures that can be used at work

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

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

Grokking Data Structures carefully guides you from the most basic data structures like arrays or linked lists all the way to powerful structures like graphs. It’s perfect for beginners

Am advanced complete survey, intended only for the mathematically matured reader

A very accessible and brief book on algorithms analysis, with implemented code included

A very accessible and brief book on algorithms analysis, with implemented code included

A standard classic book

Standard text for probability methods and their applications on randomized algorithms

Algo Deck

An open-source collection of +200 algorithmic cards

Online Judge and problem archive

Hundreds of problems from previous ACM-ICPC Regionals and World Finals

A Japanese online judge from the University of Aizu, offering a wide range of algorithmic challenges

Research-based algorithmic problems

Japanese programming contest website

Korean Online Judge. 10000+ problems. Supports 60+ languages

The Largest Competitive Programming and Online Code Judgement Platform in Latin America

Holds online contests and IOI practice contests

More problems and monthly online contests

The only programming contests Web 2.0 platform

Practice programming and tackle your next tech interview

Real-world contests online!

A website that houses support to solve algorithms in many languages in varying difficulty

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

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

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

Practice algorithmic problems & challenges and participate in hiring challenges

Featured algorithm and functional programming online judges

Chinese and English problem-solving practice and recruitment challenge site

Romanian Online Judge. 1500+ algorithmic problems

Learn, practice, and prepare for interviews

Online judge and problem archive

Korean Online Judge(Half English). 1300+ problems

Learn and practice algorithms by solving challenges online

Learn algorithms and prepare for interviews

A Japanese platform offering coding challenges and career preparation

Chinese Online Judge

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

A platform for learning bioinformatics and programming through problem-solving

Online Judge and contest host with a lot of algorithmic problems in the archive to practice

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

More problems

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

Bangladeshi Online Judge. Holds online contests regularly

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

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

Compete to land coding jobs at top companies

Awesome blog for all the resources and list of books and algorithms

A good blog by Petr Mitrichev, mainly in Java

Informative blog for starting with the sport of programming

For getting a deeper knowledge of algorithms and how to think in the right direction

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

interactive-coding-challenges

Interactive, test-driven coding challenges (algorithms and data structures)

Math

Freely available lecture notes on mathematics

Theoretical Computer Science

The interdisciplinary of Mathematics and Computer Science, Distinguished by its emphasis on mathematical technique and rigour