March 20, 2021 at 8:00 AM (UTC)
UOI 2021 - Day 1
Virtual
Mar 20, 2021
Ended 4 years ago
Unknown
5
hours
4
Problems
- Start time
- March 20, 2021 at 8:00 AM (UTC)
- End time
- March 20, 2021 at 1:00 PM (UTC)
- Format
- IOI, 4 problems, 5 hours
- Host country
- Ukraine