Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

About CCC Problems

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.
Show More

What's New in the Latest Version 1.3.0

Last updated on May 27, 2026
Old Versions
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.
Show More
Version History
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.

CCC Problems FAQ

Click here to learn how to download CCC Problems in restricted country or region.

CCC Problems Alternative

You May Also Like