IOI 2023 tasks are published under the Creative Commons Attribution license (CC-BY) license.
Practice Contest
The IOI 2023 practice tasks are available below:
notice
– Notice- Statement: Official English
aplusb
– A Plus B- Statement: Official English
- Task attachments
choreography
– Choreography- Statement: Official English
- Task attachments
coreputer
– Coreputer- Statement: Official English
- Task attachments
deliveries
– Truck Driver- Statement: Official English
- Task attachments
lockpicking
– Lockpicking- Statement: Official English
- Task attachments
Test data and supplementary materials for all practice tasks can be downloaded from the following links:
[Google Drive]
Day 1
notice
– Notice- Statement: Official English
- Translations: download in PDF or markdown (zipped)
closing
– Closing Time- Authors: Hirotaka Yoneda, Masataka Yoneda (Japan)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
longesttrip
– Longest Trip- Author: Hazem Issa (Egypt)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
soccer
– Soccer- Authors: Hirotaka Yoneda, Masataka Yoneda (Japan)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
Test data and supplementary materials for all Day 1 tasks can be downloaded from the following links:
[Google Drive]
Day 2
notice
– Notice- Statement: Official English
- Translations: download in PDF or markdown (zipped)
beechtree
– Beech Tree- Authors: Alireza Keshavarz, Amir Mohammad Shahrezaei (Iran)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
overtaking
– Overtaking- Author: Bernard Teo (Singapore)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
robot
– Robot Contest- Authors: Hirotaka Yoneda, Masataka Yoneda (Japan)
- Statement: Official English
- Translations: download in PDF or markdown (zipped)
Test data and supplementary materials for all Day 2 tasks can be downloaded from the following links:
[Google Drive]