Elevate your programming skills with our curated collection of real-world coding challenges. Learn, build, and grow as a developer.
Implement an ELO rating system for a game leaderboard.
Browse our extensive collection of coding challenges across various difficulty levels and technologies.
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Rank | User | Score |
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Software engineering student
"Oncode has been instrumental in extending my coding skills and learning web dev. The challenges are practical and fun!"
Data scientist
"Oncode allowed me to quickly learn flask and easily create a web app for my data science projects. The project based approach is very helpful in learning!"
Computer science student
"As a CS student, Oncode has been an invaluable resource for practicing and learning new web development technologies."
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