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Codeforces

codeforces.com
Visit codeforces.com
Category
Education
Rank
No. 2371Tools index

Previous survey · No. 2267 ·

Pricing
Free
Type
TOOL
Use case
Model & Agent Evaluation
Interfaces
Web · API
Date

About

Competitive programming contests used to evaluate algorithmic problem solving. Reported model ratings depend on the contest set and evaluation protocol.

What it does

The site presents itself as a web platform for running programming contests, calling itself the only programming contests Web 2.0 platform, and organizes recurring rounds, a rating system, an archived problem set, and a practice area it labels the Gym.

Stated on the product site

Navigation sections
top nav lists Contests, Gym, Problemset, Groups, Rating, Edu, API, and Calendar as separate site areas
Mobile access
site offers a separate mobile version alongside the desktop version
Legal pages
site links to a Privacy Policy and Terms and Conditions
Interactive problem format
site maintains a written guide for interactive problems as a distinct format from standard ones

Not stated on the site

  • The page does not state whether entering contests or using the practice Gym requires any payment.
  • The page does not explain how a Gym submission differs from a live round submission in scoring or rating effect.
  • The page does not describe what the Edu section contains beyond its name in the navigation bar.

Written from the product site at codeforces.com.

What it can do

  • Register users for timed algorithmic contests

    User account → Contest participation

  • Expose a public API for contest and user data

    API request → Contest/user data

Tags

competitive-programmingcoding-contestsalgorithmsprogramming-communityleaderboardapi

Media

Codeforces

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.