Alternatives to Project Euler for all platforms with any license

  • hackerrank.com

    A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.

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  • exercism

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  • CodeFights

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  • Coderbyte

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  • Spoj

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  • The AI Games

    Develop your coding skills and practice them by competing with hundreds of players worldwide. Code your own bots in your preferred language and join the various...

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  • CodeAbbey

    This resource is created to provide short programming problems for all who wants learn programming and improve their programming skills, but who could not easily find...

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  • Glitch

    With working example apps to remix, a code editor to modify them, instant hosting and deployment - anybody can build a web app on Glitch.

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  • Kattis

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Project Euler Comments

Comment by Hippo23
about Project Euler · Jun 2017 · Helpful Not helpful Report as spam

A lot of cool mathematics problems.
Advanced mathematics + Programming = Project Euler

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