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A perfect place for anyone who wants to start Coding,programming and open source contribution and development
In the practice place , you will find the resources for practising questions and problem solving techniques in the world of Coding.
HackerRank is a place where programmers from all over the world come together to solve problems in a wide range of Computer Science domains such as algorithms, machine learning, or artificial intelligence, as well as to practice different programming paradigms like functional programming.
HackerEarth provides enterprise software that helps organisations with their technical hiring needs. HackerEarth is used by organizations for technical skill assessment and remote video interviewing. In addition to that HackerEarth also has a community and since inception built a base of 4M+ developers.
GeeksforGeeks.org was created with a goal in mind to provide well written, well thought and well explained solutions for selected questions. The core team of five super geeks constituting of technology lovers and computer science enthusiasts have been constantly working in this direction
Codeforces is a website that hosts competitive programming contests. It is maintained by a group of competitive programmers from ITMO University led by Mikhail Mirzayanov. Since 2013, Codeforces claims to surpass Topcoder in terms of active contestants. As of 2018, it has over 600,000 registered users.
CodeChef is a competitive programming community of programmers from across the globe. CodeChef was started as an educational initiative in the year 2009 by Directi,an Indian software company.Apart from its monthly coding contests for the community, CodeChef has many initiatives for Schools,Colleges and Women in competitive programming.
The CSES Problem Set is a collection of competitive programming practice problems.The goal of the project is to create a comprehensive high quality problem set for learning competitive programming. The current collection has 200 problems, and new problems will be gradually added.
It's a website where people–mostly software engineers–practice their coding skills. There are 800+ questions (and growing), each with multiple solutions. Questions are ranked by level of difficulty: easy, medium, and hard.
AtCoder is a programming contest website based in Japan. From this weekend, we will provide problem statements in both English and Japanese and AtCoder will be an international programming competition! There are three types of official contests in AtCoder
Topcoder is a crowdsourcing company with an open global community of designers, developers, data scientists, and competitive programmers. Topcoder pays community members for their work on the projects and sells community services to corporate, mid-size, and small-business clients