CP-Algorithms
cp-algorithms.comCompetitive programming algorithms are documented with descriptions and examples in CP-Algorithms.
Looking for something like USACO Guide? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan.
USACO Guide curates competitive programming tutorials and resources organized from USACO Bronze through Platinum.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | CP-Algorithms | — | Not stated | Web |
| 2 | Toph | — | Not stated | Web |
| 3 | modern-cpp-tricks | — | Not stated | — |
| 4 | QB64SourceCode | — | Not stated | Web |
| 5 | Programiz | — | Not stated | Web |
| 6 | zetcode | — | Not stated | Web |
| 7 | Scratch | Free | Not stated | Web |
| 8 | PHP: The Right Way | — | Not stated | Web |
| 9 | JavaScript.info | — | Not stated | Web |
| 10 | Assembly Tutorial | — | Not stated | — |
Competitive programming algorithms are documented with descriptions and examples in CP-Algorithms.
Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants.
This list collects modern C++ techniques used in coding interviews and competitive programming.
A beginner tutorial introduces game programming with QB64 Phoenix Edition.
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
ZetCode offers accessible programming tutorials covering C#, Go, Python, Java, and other languages.
Scratch lets people create interactive stories, games, and animations with a visual programming language and online community.
PHP: The Right Way offers a quick reference to PHP practices, coding standards, and links to tutorials.
JavaScript.info provides a detailed modern JavaScript tutorial in multiple languages.
Assembly Tutorial teaches programming in assembly language through written lessons.
Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps.
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
Why's (Poignant) Guide to Ruby introduces Ruby programming through an illustrated guide for beginners.
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills.
The Ebook Foundation's free-programming-books repository lists freely available learning resources in many languages.
TryRuby gives users a short, interactive introduction to programming in Ruby.
Learn X in Y Minutes offers concise programming language tours and examples.
Amit’s Game Programming Information answers questions about learning game development, building games, and progressing as a programmer.
Exercism offers practice and mentoring across 83 programming languages.
EMKC offers practical coding challenges and contests that can be completed in any of 17 programming languages.
TechSchool provides free technology education and programming courses, including Elixir, Python, Ruby, React, and Node.
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