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:

• 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]