June 5, 2015 at 12:01 AM (UTC)
Виток 2, Шаг 10 - Перестановки, подмножества, принцип включения-исключения
Upsolve
Jun 5, 2015
Ended 10 years ago
Unknown
8
days
9
Problems
- Start time
- June 5, 2015 at 12:01 AM (UTC)
- End time
- June 12, 2015 at 11:59 PM (UTC)
- Format
- IOI, 9 problems, 7.999 days