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Add to SafariWhen comparing CodingStreet.io vs Codewars, the Slant community recommends Codewars for most people. In the question“What are the best coding challenge sites?” Codewars is ranked 3rd while CodingStreet.io is ranked 15th. The most important reason people chose Codewars is:
Algorithms, OOP, functional programming, you name it - there's a challenge class for it and in just about every language.
Specs
Question Ranking
Pros
Pro All tasks are currently free
Pro They provide tutorial and correct solution for each task.
Pro Most popular interview questions.
They provide questions that can be found in interview with Google, Facebook, etc.
Pro Great builtin code editor
Pro Challenges cover all areas of programming
Algorithms, OOP, functional programming, you name it - there's a challenge class for it and in just about every language.
Pro Submit your own challenges
If you think you have a good idea for a challenge that could be added to the dojo then go add it and get feedback.
Pro Multi-language support
Users can complete code challenges in over 12 different languages.
Pro Learning gamification
Get points and increase your level by completing coding challenges.
Pro Free
Codewars is completely free to use.
Cons
Con Currently small number of tasks
Con Require some coding knowledge
You require some coding knowledge to get an account with code wars. The topics are limited
