Previous IM²C problems

The IM2C has been held in 2015, 2016, 2017 and 2018. We include the problem of each year's challenge, along with solutions and a summary of the international judges’ commentary on each. The 2016 problem resources also include comments from Australian judges and videos made by members of award-winning teams to share their challenge experiences.

Previous problem 2015

Previous problem 2016

Previous problem 2017

Previous problem 2018

Previous problem 2019