October 28, 2013 at 6:00 AM (UTC)
Five for week 09 (2013-2014)
Upsolve
Oct 28, 2013
Ended 12 years ago
Unknown
5.7
days
6
Problems
- Start time
- October 28, 2013 at 6:00 AM (UTC)
- End time
- November 2, 2013 at 10:00 PM (UTC)
- Format
- IOI, 6 problems, 5.667 days