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CodeForces

Programming competitions and contests, programming community.

CodeForces

CodeForces Reviews and Details

This page is designed to help you find out whether CodeForces is good and if it is the right choice for you.

Screenshots and images

  • CodeForces Landing page
    Landing page //
    2023-08-21

Features & Specs

  1. Wide Range of Problems

    CodeForces offers a vast collection of problems that vary in difficulty, covering a broad spectrum of algorithms and data structures, allowing users to challenge themselves and improve their skills.

  2. Competitive Contests

    Regular contests hosted on CodeForces attract competitive programmers from around the world, providing an excellent platform for honing problem-solving skills under time constraints.

  3. Active Community

    An active and vibrant community that continuously contributes to discussions, solutions, and tutorials, making it easier for users to learn and get help when needed.

  4. Educational Content

    CodeForces offers educational contests and editorials that help users understand the solutions to problems and learn new concepts and techniques.

  5. User-friendly Interface

    The website has a straightforward interface, making it easy to navigate, find problems, submit solutions, and track one's progress.

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Videos

How to Start Competitive Programming on Codeforces? Virtual Contest? Div1? Div2? Div3? Rating Logic

Difference between HackerRank, LeetCode, topcoder and Codeforces

Mentoring by Reviewing Codeforces Profiles || Best for Ratings from 900 to 1400 || Live for Members

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about CodeForces and what they use it for.
  • My First Steps in Competitive Programming
    At first, the problems on platforms like Codeforces felt overwhelming. But after a few rounds, I realized something important:. - Source: dev.to / 13 days ago
  • Why Codeforces is Great for Programmers
    Check it out and start competing today: https://codeforces.com/. - Source: dev.to / 14 days ago
  • Self-Training Boosts Code Generation: RewardRanker Outperforms GPT-3.5 & Rivals GPT-4
    The researchers created their dataset from CodeContests and public Codeforces solutions, enriched with metadata. For supervised fine-tuning, they structured the data as prompt-completion pairs, using problem statements as prompts and solutions as completions. The balanced dataset contained 1.2 million samples, each averaging 1,500 tokens. - Source: dev.to / 6 months ago
  • A brief intro on the correlation between AI and Maths.
    Now in recent emergence of the latest llm model of openAI's gpt o1, it was able to solve around 83% of the maths olympiad and reached around 89th percentile with a latest rating of 1800 (fine-tuned) on codeforces competitive programming contests. - Source: dev.to / about 1 year ago
  • My Journey of Mastering Data Structures and Algorithms in 6 Months: Dos and Don'ts๐Ÿ‘ฉ๐Ÿปโ€๐Ÿ’ป
    Practice Daily: Dedicate at least an hour a day to solving problems on platforms like LeetCode, HackerRank, or Codeforces. - Source: dev.to / about 1 year ago
  • How to Make Money From Coding: A Beginner-Friendly Practical Guide
    CodeForces: Hosts regular programming contests. - Source: dev.to / about 1 year ago
  • [2023 Day 8 (Part 2)] Some notes on features of input data
    Have you heard of codeforces.com, atcoder.jp, codechef.com, etc? Source: almost 2 years ago
  • How helpful is leetcode at competitive programming?
    Leetcode is good to learn basic algorithms because problem statements are usually straightforward. Competitive programming has much wider range of problems. Most popular sites for cp are codeforces.com , atcoder.jp, codechef.com . Source: almost 2 years ago
  • Role of Algorithms
    The de facto standard community for competitive programmers, regular contests with editorials, huge archive of problems (https://codeforces.com/problemset) with pretty accurate difficulty ratings so you can focus on problems of suitable difficulty if you want to progress quickly. They also have an incipient EDU section: https://codeforces.com/edu/courses that covers basic algorithms with practice problems. - Source: Hacker News / almost 2 years ago
  • I just graduated with a CS degree. I want to start my career. What do I do?
    - I used C++ to solve 500+ problems on codeforces.com (a competitive programming website) But I'm rusty now. Source: about 2 years ago
  • What to do after learning c++ basic?
    Join the codeforces.com cult try out some most solved problems and then there are many other things like cses problemset, a2oj ladders... Just a tip learn c++ stl too (not necessarily now but do it soon). Source: over 2 years ago
  • How to run c# code in an isolated environment?
    I'm building a competitive programming web app like codeforces.com. I want to add c# language to this. How can I do it? Source: over 2 years ago
  • CS/EECS: I donโ€™t know how to leetcode
    Https://codeforces.com/ is the main website and should be in english? Source: over 2 years ago
  • Codeforces Alternative
    I think most of you know site codeforces.com that is good for practising competitive programming. Is that really useful site for preparing olympiads like IOI or is there any better sites? Source: over 2 years ago
  • How should I get started in competitive programming?
    If you want to do it for the sake of competition look into https://codeforces.com there are also some good books about the topic which might be worth reading: โ€˜Guide to competitive Programming by A. Laaksonenโ€™. Source: over 2 years ago
  • How can I get better at writing algorithms?
    I suck at algorithms too lol and I found solving problems on https://codeforces.com helpful. Start by solving easier problems and slowly youโ€™ll develop the logic and improve your problem solving skills which is technically โ€œalgorithmsโ€. There are many resources on the internet if you canโ€™t solve a certain problem. Hope this helps:). Source: over 2 years ago
  • looking for some math logic puzzle
    Competitive programming would be quite up your alley AtCoder CodeForces Project Euler already mentioned below. Source: over 2 years ago
  • Title gaya parents ko disappoint karne ๐Ÿ‘๐Ÿคก But fr tho, need serious advice. Help me y'all.
    If you're more interested in getting a job, then you should start learning programming languages like C++ and Python and practice competitive programming questions from websites like Codeforces. Doing good projects in areas like web development or machine learning(if that interest you) can also increase your chances of getting placed in a good company in those respective fields. Source: over 2 years ago
  • As a programmer what is your MBTI? By any chance your rank is in top 4 xNTx types
    Https://codeforces.com/blog/entry/99560 also consider this amazing post Which is probably way more accurate; You can see that INTP although making up only 3% of the world population, makes up almost 30% of the top of Codeforces.com (arguably the place with the best logical problem solvers) Whats INTP? Logician ; ALSO the top 8 in this case, ALL have (T instead of F) OR (a 3 character similarity with... Source: over 2 years ago
  • leetcode premium problems quality
    Codeforces. It's a competitive programming website. https://codeforces.com/. Source: over 2 years ago
  • i got failed in a subject, how will it affect me in future?
    Here some competitive coding sites codeforces, codechef , leetcode. Source: almost 3 years ago

Summary of the public mentions of CodeForces

Evaluating Public Opinion on CodeForces

CodeForces is a well-established platform within the realm of competitive programming, known for its regular coding contests and extensive problem set. As a noteworthy competitor in the programming challenge space, it shoulders alongside giants like LeetCode, CodeChef, and HackerRank. A summary of the prevailing public opinion reveals distinctive perspectives on its offerings and impact.

Strengths and Positioning

  1. Comprehensive Platform for Competitions: CodeForces hosts a variety of timed contests or "rounds," making it an attractive platform for those who enjoy challenging their algorithmic skills against others. The competitive environment, along with its accurate difficulty ratings, makes it a compelling choice for individuals eager to test and improve their problem-solving abilities rapidly.

  2. Robust Community Engagement: Codeforces is often recognized within the programming community as a go-to site for competitive programming. Many users commend its extensive community, where programmers can engage through groups, discussions, and contests. This communal aspect enhances collaborative learning and networking among enthusiastic coders.

  3. Effective Learning Supplement: For individuals focused on data structures and algorithms, the platform is frequently lauded as an effective learning tool. It provides a vast archive of problems, allowing learners to progress systematically from simpler to more advanced challenges.

Usage in Academia and Industry

CodeForces often appears in educational journeys, such as in the path of computer science students and professionals mastering data structures and algorithms. Its role in fostering logical thinking and problem-solving has found endorsements in various academic and self-learning contexts. Furthermore, many believe that excelling on CodeForces can relatively influence job readiness in technical and software development roles.

Tech Integration and Influence

The discourse around CodeForces often intersects with technological developments. Notably, its data and contests have been used to fine-tune artificial intelligence models, highlighting the platform's relevance in technological advancements and research domains.

Areas of Improvement

Despite its strengths, some believe alternatives may offer different benefits. For instance, preparation for specific types of programming contests, like the International Olympiad in Informatics (IOI), might lead individuals to seek complementary resources or platforms, such as AtCoder or Project Euler, for a broader or varied type of question set.

Broader Implications & Community

CodeForces is often compared with other competitive programming platforms to weigh its distinctive offerings against generalized or systemically different ones. It emerges as an essential tool for competitive programming enthusiasts and learners prizing rigorous problem-solving practice. The platform's reputation as a center for logical problem solvers is reinforced by the community's frequent acknowledgment of the correlation between CodeForces success and technical competence.

In summary, CodeForces stands out as a crucial ecosystem player in the competitive programming landscape and hands-on learning community, enabling programmers not only to measure their skills against global peers but also to use the domain as a precursor to academic or industrial success.

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