Awesome Algorithms
Education 
An algorithm is a list of rules to follow in order to solve a
problem.
Algorithms need to have their steps in the right order. Think about
an algorithm for getting dressed in the morning. What if you put on your
coat before your jumper? Your jumper would be on top of your coat and
that would be silly! When you write an algorithm the order of the
instructions is very important.
If you want to contribute, please read the contribution
guidelines.
Language: 😎 English • 한êµì–´ (Korean)
Contents
Courses
Introductory
Advanced
Competitive programming
- HackerRank
- Codility
- TopCoder
- CodeWars
- CodeChef
- Codeforces - English, Romanian,
Russian.
- UVA
- A2 Online Judge
- ACM-ICPC Live
Archive
- CS Academy - English, Russian,
Arabic.
- CoderByte
- HackerEarth
- Infoarena - Romanian.
- Kattis
- Learneroo Algorithms
Tutorials
- LeetCode -
English, Chinese.
- Rosalind
- ShareCode
- Snakify
- Sphere Online Judge (SPOJ)
- URI - English,
Spanish, Brazilian Portuguese.
- PKU JudgeOnline - English,
Chinese.
- AIZU ONLINE
JUDGE - English, Japanese.
- Project Euler
- Project Euler @kr - Korean.
- Baekjoon - Korean.
- Algospot - Korean.
- Dovelet - Korean.
- JUNGOL - Korean.
- Koistudy - Korean.
- CodeUp - Korean.
- Codingdojang - Korean.
- Programmers
- Korean.
- Codeground - English,
Korean.
- SW Expert Academy -
Korean.
Visualizations
Interviews
Videos
Books
Articles
Competitions
- Google
Code Jam - Google’s largest coding competition, calls on programmers
around the world to put their skills to the test by solving multiple
rounds of algorithmic puzzles.
- Google
Kick Start - University students looking to develop their coding
skills and potentially pursue a Google career.
- Google
Hash Code - Students in Africa, Europe, and the Middle East looking
to work as a team on real Google problems.
- Google Summer of
Code - A global program focused on introducing students to open
source software development. Students work on a 3 month programming
project with an open source organization during their break from
university.
Miscellaneous
License

To the extent possible under law, gaerae has waived all copyright and
related or neighboring rights to this work.
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