
Free
About
CCC Problems helps students prepare for the Canadian Computing Competition (CCC).
* Access past problems with clean formatting
* Write and test Python or Java solutions
* Track your progress and improve your problem-solving skills
Whether you're aiming for the Junior or Senior division, CCC Problems makes it easy to study and succeed.
Copyright Notice
Past CCC problems © University of Waterloo, Centre for Education in Mathematics and Computing (CEMC).
Used under the CEMC’s educational use policy for non-commercial, educational purposes.
This app is not affiliated with or endorsed by the University of Waterloo or CEMC.
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What's New in CCC Problems
1.3.0
May 27, 2026
Progressive 5-tier hint system for every CCC problem from 1996 to 2026 — start with topic and difficulty, then unlock a nudge, an approach, and pseudocode one tier at a time. Redesigned home screen with a featured TT Math School card and a polished dynamic-island header.
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