Tasks

IOI 2023 tasks are published under the Creative Commons Attribution license (CC-BY) license.

Practice Contest

The IOI 2023 practice tasks are available below:

Test data and supplementary materials for all practice tasks can be downloaded from the following links:
[Google Drive]

Day 1

Test data and supplementary materials for all Day 1 tasks can be downloaded from the following links:
[Google Drive]

Day 2

Test data and supplementary materials for all Day 2 tasks can be downloaded from the following links:
[Google Drive]