February 17, 2016 at 5:00 AM (UTC)
17,18,19 февраля. Младшая лига - Битовые операции
Upsolve
Feb 17, 2016
Ended 9 years ago
Unknown
11.7
days
20
Problems
- Start time
- February 17, 2016 at 5:00 AM (UTC)
- End time
- February 28, 2016 at 9:59 PM (UTC)
- Format
- IOI, 20 problems, 11.708 days