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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

LeetCode is the best platform to help you enhance your skills, expand your knowledge and prepare for technical interviews. Explore is a well-organized tool that helps you get the most out of LeetCode by providing structure to guide your progress towards the next step in your programming career. Over 1900 questions for you to practice. Come and join one of the largest tech communities with hundreds of thousands of active users and participate in our contests to challenge yourself and earn rewards. Not only does LeetCode prepare candidates for technical interviews, we also help companies identify top technical talent. From sponsoring contests to providing online assessments and training, we offer numerous services to businesses. We now support 14 popular coding languages. At our core, LeetCode is about developers. Our powerful development tools such as Playground help you test, debug and even write your own projects online.

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

Any user looking for a platform designed to enhance their skills, expand their knowledge and prepare them for technical interviews

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 3.8 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.7 / 5
support 4.7 / 5

Pros & Cons from Real Users

Pros

  • Cool Platform, features were helpful. I liked the product for the week or two that I managed to use it.
  • 1. LeetCode helps in preparing for competitive codings in a gradual manner. 2. The questions are crafted in a way that it teaches fundamental concepts as well as problem-solving. 3. The question helps in understanding all the concepts of Data Structures and Algorithms to crack any interview.
  • - It is one of the best sites to practice competitive coding. - It supports multiple languages like Java, C, C++. - It has a great community to help you if you get stuck at any question.
  • I super love the Solution and Discuss. Systematic knowledge is more important than just crack the problems, which I can learn from Solution. And I see so many brilliant ideas from Discuss.

Cons

  • Took a week and a half to respond to a request to cancel my $35/month account, only to refuse to do it on their end. They provided instructions to find the cancellation in their interface; it was so well hidden that it was nearly unfindable without the instructions.
  • 1. I have been using LeetCode to polish my coding skills from a long time, and I haven't found any con with the platform or with the method of teaching so far.
  • - No con whatsoever, Leet Code is a great platform that provides value for your money.
  • I wish it has lifetime membership and I will definitely and seriously consider about it.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

AtCoder
Founded: 2012
Japan
atcoder.jp/

Company Information

LeetCode
United States
leetcode.com

Alternatives

Alternatives

Pepcoding

Pepcoding

Pepcoding Education Private Limited
SPOJ

SPOJ

Sphere Online Judge
Formation

Formation

Formation.dev

Categories

Categories

Integrations

CodeQwen
Amazon
Aptico
CTRLpotato
Cisco AnyConnect
Facebook
Hintedly
Interview Coder
Leap
Pinterest
StarRocks
Stripe
Wittro
pgrammer

Integrations

CodeQwen
Amazon
Aptico
CTRLpotato
Cisco AnyConnect
Facebook
Hintedly
Interview Coder
Leap
Pinterest
StarRocks
Stripe
Wittro
pgrammer
Claim AtCoder and update features and information
Claim AtCoder and update features and information
Claim LeetCode and update features and information
Claim LeetCode and update features and information