AtCoder
AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online.
AtCoder is a programming contest site for anyone from beginners to experts. It holds weekly programming contests online. The contests are designed to help participants improve their programming skills, learn new algorithms, and prepare for programming competitions.
900000
30000 / day
1500000
50000 / day
00:07:30
4.5 page per visit
35%
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Domain Rating
-
Domain Authority
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Citation Level
2012
English, etc
Website Key Features
Regular Contests
AtCoder hosts regular programming contests, including the AtCoder Beginner Contest (ABC), AtCoder Regular Contest (ARC), and AtCoder Grand Contest (AGC), catering to all skill levels.
Problem Archives
A comprehensive archive of past contest problems and solutions, allowing users to practice and learn at their own pace.
Real-time Ranking
Participants can see their ranking in real-time during contests, providing immediate feedback on their performance.
Editorials and Tutorials
After contests, detailed editorials and tutorials are provided for each problem, helping participants understand the solutions and learn new concepts.
Virtual Contests
Users can participate in past contests as if they were live, offering a flexible way to practice and compete.
Language Support
Supports a wide range of programming languages, making it accessible to a broad audience.
Community and Forums
A vibrant community and forums where users can discuss problems, share solutions, and learn from each other.
Rating System
A rating system that tracks user progress and skill level over time, motivating users to improve.
API Access
Provides API access for developers to create tools and applications that interact with AtCoder data.
International Participation
Contests and resources are available in both Japanese and English, encouraging international participation.
Similar Sites and Competitors
Additional information
Founder
AtCoder was founded by a group of programming enthusiasts in Japan.
Headquarters
Based in Japan, AtCoder has a strong focus on the Japanese programming community but welcomes international participants.
Educational Resources
Beyond contests, AtCoder offers educational resources, including algorithm tutorials and practice problems, to help users improve their programming skills.
Corporate Sponsorships
AtCoder is supported by various corporate sponsors, which helps in organizing contests and providing prizes.
Community Contributions
The AtCoder community contributes to the platform by creating unofficial tools, libraries, and resources that enhance the user experience.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for atcoder.jp