You can also refer to the history page for the summaries of the winners of previous IPT editions.
Got an idea for an interesting problem for us? Feel free to submit your ideas to the submission form. The deadline for the next edition is normally around early summer of the previous year.
Problems from the IPT 2026
Problems from the IPT 2025
Problems from the IPT 2025
Problems from the IPT 2023
Problems from the IPT 2022
Problems from the IPT 2021
Problems from the IPT 2020
Problems from the IPT 2019
Problems from the IPT 2018
Problems from the IPT 2017
Problems from the IPT 2016
Problems from the IPT 2015
Problems from the IPT 2015
For older problems, please head to our legacy website: iptnet.info.