Problem recommendation system (Local app based on XGBoost)

Revision en1, by nicotina04, 2025-06-30 21:07:31

After existing recommendation services shut down their servers, I built a fully offline Codeforces problem recommender.

  • Data: Problems/submissions via Codeforces API
  • Model: XGBoost predicting solve probability (local inference)
  • App: Flutter with Hive database

Zero server dependency — everything runs on your device.

Github Repository | Windows OS build is available

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en1 English nicotina04 2025-06-30 21:07:31 641 Initial revision (published)