Real-Time Collaborative Online IDE

Welcome to the new IDE!

This new IDE should have improved performance and stability. The old IDE will eventually be removed. Files on the old IDE are not available on the new IDE, but can still be temporarily accessed at https://legacy.ide.usaco.guide/. For more information, and to report issues, visit our GitHub repository.

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Looking to get better at USACO? Check out the USACO Guide!
Not for commercial use.