February 10, 2016 at 5:00 AM (UTC)
10,11,12 февраля. Старшая лига - Дерево отрезков - единичная модификация
Upsolve
Feb 10, 2016
Ended 10 years ago
Unknown
11.7
days
14
Problems
- Start time
- February 10, 2016 at 5:00 AM (UTC)
- End time
- February 21, 2016 at 9:59 PM (UTC)
- Format
- IOI, 14 problems, 11.708 days