2025
China
Problems1 problem
- 1All problemsProblemCPhO 2025 problem 1, All problems
CPhO Problems and Solutions
The final round of the Chinese national olympiad, from which the IPhO team is chosen. English translations are community-made.
2024
China
2023
China
2022
China
2021
China
2020
China
2019
China
2018
China
2017
China
2016
China
2015
China
2014
China
2013
China
2012
China
Problems1 problem
- 1All problemsProblemCPhO 2012 problem 1, All problems
2011
China
2010
China
Problems1 problem
- 1All problemsProblemCPhO 2010 problem 1, All problems
2009
China
Problems1 problem
- 1All problemsProblemCPhO 2009 problem 1, All problems
2008
China
Problems1 problem
- 1All problemsProblemCPhO 2008 problem 1, All problems
2007
China
Problems1 problem
- 1All problemsProblemCPhO 2007 problem 1, All problems
2006
China
Problems1 problem
- 1All problemsProblemCPhO 2006 problem 1, All problems
2005
China
Problems1 problem
- 1All problemsProblemCPhO 2005 problem 1, All problems
2004
China
Problems1 problem
- 1All problemsProblemCPhO 2004 problem 1, All problems
2003
China
Problems1 problem
- 1All problemsProblemCPhO 2003 problem 1, All problems
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