February 15, 2016 at 5:00 AM (UTC)
15-19 февраля. Старшая лига - Дерево отрезков - множественная модификация
Upsolve
Feb 15, 2016
Ended 10 years ago
Unknown
13.7
days
17
Problems
- Start time
- February 15, 2016 at 5:00 AM (UTC)
- End time
- February 28, 2016 at 9:59 PM (UTC)
- Format
- IOI, 17 problems, 13.708 days