10 Coding challenge websites for every programmer ⚡
💻 HackerRank
→ Offers challenges in different domains such as Algorithms, Mathematics, SQL, Functional Programming, AI, etc.
→ You can solve every challenge directly online.
→ They provide discussion and leadership board for every challenge.
→ CodeChef is an Indian-based competitive website that offers hundreds of challenges.
→ You can write code in their online editor and view challenging collections of categories according to your level of ability.
→ For beginners and intermediate coders and it offers progressive challenges.
→ Each challenge has its own discussion board and user solutions.
→ You can learn something from scratch, or you can choose to focus on advancing.
→ It provides you with weekly challenges and competitions in web design dev, algorithms, math, SQL, etc.
→ They offer a lot of editing tutorials on different technologies and they have one of the biggest communities of developers.
→ Coderbyte offers a variety of coding challenges of beginner and intermediate levels.
→ This amazing website provides over 200 coding challenges for you to solve in their online editor.
→ Differs from other websites as you get to write the code by playing a game online.
→ You get to complete challenges in order to complete different aspects of the game, & once you do that – you get the amazing graphics and UI.
→ Sphere Online Judge is one of the biggest coding challenges libraries online.
→ It provides over 20,000 different coding challenges you can master with their online editor.
→ When it comes to math and computer sciences, probably the best source for coding challenges is ProjectEuler.
→ Their challenges are based on writing a program to find the solution to tricky math problems or equations.
→ With this tool you’ll be able to upload any photo and change the color, contrast, brightness, blur and so much more – and it generates the code for you.