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 What are some good coding competition/practice sites?

There are several excellent coding competition and practice sites where you can enhance your coding skills and participate in contests. Here are some popular ones:

Codeforces: Codeforces is a competitive programming platform that hosts regular contests and provides a vast set of problems for practice. The problems are categorized by difficulty and topic.

LeetCode: LeetCode is a platform that offers a wide range of coding challenges, including algorithmic and database problems. It's widely used for technical interview preparation.

HackerRank: HackerRank provides a variety of challenges in domains such as algorithms, data structures, artificial intelligence, databases, and more. It's also used by companies for technical assessments.

CodeChef: CodeChef is a competitive programming platform that hosts regular contests and provides a comprehensive set of practice problems. It's well-suited for beginners as well as experienced programmers.

AtCoder: AtCoder is a Japanese competitive programming platform that hosts regular contests. It has problems of varying difficulty levels and is used by participants around the world.

TopCoder: TopCoder is one of the oldest and most well-known competitive programming platforms. It offers single-round and marathon matches, covering a wide range of topics.

Spoj (Sphere Online Judge): Spoj is an online judge system with a vast collection of problems. It supports a wide variety of programming languages and is known for its extensive problem set.

Project Euler: Project Euler focuses on mathematical and computational problems. It's a great platform to enhance both your mathematical and programming skills.

Google Code Jam: Google Code Jam is an annual coding competition hosted by Google. It features challenging algorithmic problems, and participants can compete for prizes and recognition.

Kaggle: Kaggle is a platform for data science competitions. It hosts a variety of challenges in machine learning, data analysis, and more. It's a great way to apply coding and data science skills to real-world problems.

Remember, the key is not just to solve problems but to understand the underlying concepts and improve your problem-solving skills. Many of these platforms also provide discussions and editorial solutions that can help you learn from others' approaches.



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