AtCoder icon
AtCoder icon

AtCoder

AtCoder.jp is a Japanese online competitive programming platform that hosts algorithmic programming contests, practice problems, and virtual contests for programmers of all levels.

Upcoming Contests

Cost / License

  • Free
  • Proprietary

Platforms

  • Online
Tasks from Beginner Contest
0likes
0comments
0alternatives
0articles

Features

No features, maybe you want to suggest one?

AtCoder News & Activities

Highlights All activities

Recent activities

AtCoder information

  • Developed by

    JP flagAtCoder Inc
  • Licensing

    Proprietary and Free product.
  • Alternatives

    0 alternatives listed
  • Supported Languages

    • English
    • Japanese

AlternativeTo Category

Development
AtCoder was added to AlternativeTo by zigger on and this page was last updated .
No comments or reviews, maybe you want to be first?

What is AtCoder?

AtCoder.jp is a Japanese online competitive programming platform that hosts algorithmic programming contests, practice problems, and virtual contests for programmers of all levels.

  • Main features: timed contests (regular and beginner-friendly), problem archives for practice, rated rankings, and user-submitted solutions.
  • Audience: competitive programmers, students, and developers preparing for coding interviews.
  • Contest formats: single-round contests, ABC/ARC/AGC-style events (AtCoder Beginner/Regular/Grand Contests), and practice/virtual contests to simulate past contests.
  • Languages and tools: supports common languages (C++, Python, Java, etc.) and provides a judge that runs and scores submitted code.
  • Community: leaderboards, user pages, and editorials for many contests.

Official Links