June 22, 2021 at 10:00 AM (UTC)
IOI 2021 - Day 1
Virtual
Jun 22, 2021
Ended 3 years ago
Unknown
5
hours
3
Problems
- Start time
- June 22, 2021 at 10:00 AM (UTC)
- End time
- June 22, 2021 at 3:00 PM (UTC)
- Format
- IOI, 3 problems, 5 hours
- Host country
- Singapore