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About

AtCoder is a programming contest website based in Japan. AtCoder is a programming contest site for anyone from beginners to experts. We hold weekly programming contests online. Every AtCoder users can use this library with minimum efforts of studying about PC. Maximize convenience for the usage in competitive programming. We completely ignore other usages. Participants can use any programming language used in AtCoder Regular Contest. Unless otherwise specified, you must compete in a contest alone. We do not allow you to team up form with others. The contestant who gives successful solutions to the largest number of problems in a given time will be the winner. If there are multiple contestants who have solved the same number of problems, whoever has done so in shorter time will be in the higher place. Execution time is measured as the maximum of real time and CPU time. Parallelization is not prohibited, but it does not lead to shorter execution time.

About

Codeforces is a project joining people interested in and taking part in programming contests. On one hand, Codeforces is a social network dedicated to programming and programming contests. On the other hand, it is a platform where contests are held regularly, the participant's skills are reflected by their rating and the former contests can be used to prepare. Codeforces constantly develops and we plan to improve the platform to give the participants the opportunity to organize their own contests, filling the project with learning content, developing Codeforces as a training and learning platform. Contests are regularly held on Codeforces. Participating in them is free and open to everybody. Every month we organize approximately six contests. To participate, you have to be registered on the site (if you have an OpenID or a Gmail account, then you won't even have to memorize the password) and register for the oncoming contest. Make sure that you are present in the list of the users.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Beginner and expert programmers looking for a programming contest website to compete against each other

Audience

Programmers, developers and users looking for a platform for taking part in programming contests

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

AtCoder
Founded: 2012
Japan
atcoder.jp/

Company Information

Codeforces
Founded: 2010
Russia
codeforces.com/help

Alternatives

Alternatives

SPOJ

SPOJ

Sphere Online Judge
CodinGame

CodinGame

CoderPad

Categories

Categories

Integrations

CodeQwen
AlphaCode
Gmail

Integrations

CodeQwen
AlphaCode
Gmail
Claim AtCoder and update features and information
Claim AtCoder and update features and information
Claim Codeforces and update features and information
Claim Codeforces and update features and information