The task statements of IOI 2020 are available on this page.
All tasks are published under the Creative Commons Attribution (CC-BY) License.
Practice Contest
- Notice (Official English)
- Gift (Official English)
- Jelly (Official English)
- Routers (Official English)
- Squares (Official English)
The ranking for Practice Contest can be found at https://ranking.practice.ioi2020.sg
Contest Day 1
- Notice (Official English)
- Plants (Official English)
- Author: Jo Sunghyeon
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
- Supertrees (Official English)
- Author: Ranald Lam Yun Shao and Ling Yan Hao
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
- Tickets (Official English)
- Author: Xiao Mao
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
Contest Day 2
- Notice (Official English)
- Biscuits (Official English)
- Author: Mikhail Tikhomirov
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
- Mushrooms (Official English)
- Author: Angus Ritossa
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
- Stations (Official English)
- Author: Mikhail Tikhomirov
- Translated task statements (CDN mirror)
- Editorial
- Test data and supplementary materials (CDN mirror)
The official ranking for IOI 2020 can be found at https://ranking.ioi2020.sg
List of Authors
We would like to thank the following authors for contributing to the IOI 2020 Call For Tasks:
Agustín Santiago Gutiérrez
Aliaksandr Kernazhytski
Andreas Martin
Angus Ritossa
Anton Trygub
Artem Iglikov
Daniel Goldbach
Dino Santl
Fabricio Loor
Itay Yehuda
Jo Sunghyeon
Leonid Gaev
Ling Yan Hao
Mahmoud Badawy
Mikhail Tikhomirov
Monika Steinova
Nguyen Doan Dai
Ofer Wald
Ranald Lam Yun Shao
Vasiliki Kontoura
Vlad Alexandru Gavrila Ionescu
Xiao Mao
Yagub Aliyev