5 Best competitive coding websites

1. HackerRank

HackerRank provides coding assessments for companies to evaluate candidates' coding skills during the recruitment process.

2. TopCoder

TopCoder is a platform that hosts online programming contests in a variety of domains such as algorithms, data structures, mathematics, and more.

3. LeetCode

LeetCode is a platform that provides coding challenges for software engineers to practice their coding skills in various programming languages.

4. Codeforces

Codeforces is a platform that hosts competitive programming contests regularly and has a large of users.

5. AtCoder

AtCoder is a Japanese platform that offers programming education and resources for students and professionals.