AtCoder
AtCoder is an online platform dedicated to competitive programming.
Our verdict
Who it's for
Compete in programming contests, improve coding skills, and climb the global ranking ladder.
Who should look elsewhere
Information about specific problem types or learning resources is not directly visible on the homepage.
Pros
- +Offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic).
- +Provides a clear rating system and global rankings to track progress and compare with others.
- +Regularly updated with new contests and announcements, keeping the platform active and engaging.
- +Includes practice contests for first-time users and library testing.
Cons
- −Information about specific problem types or learning resources is not directly visible on the homepage.
- −The focus is heavily on competitive programming, which might not appeal to all developers.
Key features
- ✓Upcoming and Recent Contest Listings
- ✓Permanent Practice Contests
- ✓Global Algorithm Ranking
- ✓Global Heuristic Ranking (GP30)
- ✓Contest Announcements and Rule Updates
- ✓New Judge System
- ✓Generative AI Rules for Contests
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Participation | — | month | Access to AtCoder Regular Contest (ARC); Access to AtCoder Weekday Contest (AWC); Access to AtCoder Beginner Contest (ABC) |