April 22, 2023 at 7:00 AM (UTC)
UJGOI 2023. Day 1
Virtual
Apr 22, 2023
Ended 1 year ago
Unknown
5
hours
4
Problems
- Start time
- April 22, 2023 at 7:00 AM (UTC)
- End time
- April 22, 2023 at 12:00 PM (UTC)
- Format
- IOI, 4 problems, 5 hours
- Host country
- Poland