Once we have learned the basics of a certain programming language, the next thing is how we want to apply them in practice to be able to understand and remember for longer. So in today's article, I will introduce the challenge of coding websites to developers. The purpose of these websites is to help you test to what extent your programming prowess is by solving problems low to high. Not only that, but there you also have to compete with other developers to achieve higher rankings. Just like playing games, we have to go from low rankings like copper, silver to gold, platinum... Hopefully these websites will be the place to help you increase your interest in programming. 1. Exercism This Practice website is home to thousands of exercises that you can practice in over 50 supported programming languages. Its exercises are also varied for beginners or those with a lot of programming experience. It is open-source and based on donations from developers around the world so you can rest assured that it won't be charged. In addition, if you feel you are capable, you can also contribute helpful exercises to the community that will improve your programming skills and others. Visit it here 2. CodeWars The CodeWars website is where you tackle every problem from easy to hard to get higher rankings. On this site, the ranking will be calculated according to the points called kyu, and depending on the level of the problem you solve, the score will be high or low. After finding a method for a problem, you can look at other people's answers to compare how the code is written and how effective it is. Visit it here 3. CodeChef CodeChef website is known as a non-profit educational organization founded by Direct, an Indian software company. You can immediately resolve the issue on their website through their online editor support tool. And depending on your level, choose the challenges listed on the website. Also, its highlight is that you can communicate with other developers if you have difficult questions or answer questions from other developers. Visit it here 4. CodinGame CodinGame website helps you to actually play games while coding. It makes us approach problems more freely and happily, and increases our enthusiasm for problem-solving. CodinGame supports more than 25 languages and here you can learn many algorithms and tips from good programmers in the world. It also goes from easy to difficult so it suits everyone's learning needs. Visit it here 5. HackerRank The HackerRank website is a popular website for people who want to improve their coding skills. It's not just for newbies, but good programmers also enter because it has world-class competitions. In addition, it also gives you the opportunity to find a suitable job through competitions organized by recruitment companies. It mainly focuses on algorithms, AI, databases, and math. Visit it here 6. CoderByte The CoderByte website is a web application that allows you to practice and improve your coding skills. It has a lot of problems, arranged from difficult to easy, suitable for all levels of programming. In addition, it also has interview questions from big companies like Microsoft, Google, Facebook to help us grasp the techniques needed to apply to these companies. The downside is that if you want to approach advanced challenges or take the course here, it costs around $ 35 a month. Visit it here 7. FreeCodeCamp The FreeCodeCamp website is probably my favorite. It helps us to self-learn new knowledge and can apply new things to real problem-solving. In addition, you can get a free certificate for completing a project in the skills you just learned. The programming languages in the course are tailored for beginners such as learning HTML, then CSS ... In addition, it also has its own forum to help you solve difficult questions in the learning code. Visit it here 8. Edabit The Edabit website is where we can remember the basics and enhancements of a language by solving programming problems on this website. It will automatically calculate XP points every time you solve a problem. The more points, the higher the level. Isn't it interesting that you and other programmers are competing for point by point to top the rankings? It also helps us to increase our interest in coding and thinking and problem solving like a real programmer. Visit it here 9. TopCoder The TopCoder website is a challenging website with a fairly difficult level of problem-solving and is usually for those with a lot of programming experience. A place that connects businesses that are in need of solving certain problems with solutions given by programmers around the world. So if your solution is better than the other developers, you might get a cash prize from the business. In addition, you can also see issues resolved by other developers to apply to your website. Visit it here 10. Codepen Codepen website is considered as a social network for programmers with pre-written scripts with many different programming languages to help you learn and interact with other programmers. Another interesting point is that each week the website will come up with a topic to solve and you and others will compete against each other to solve the problem quickly and optimally. Visit it here Through here I hope the article will help you find the excitement of coding as well as solving problems in a better way and if you have any questions, please email me as soon as possible. We hope you continue to support the site so I can write more good articles. Have a nice day!

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