July 30, 2013 at 10:00 AM (UTC)
9 Round Spiral. Round 6. Step 12.
Upsolve
Jul 30, 2013
Ended 12 years ago
Unknown
20
hours
12
Problems
- Start time
- July 30, 2013 at 10:00 AM (UTC)
- End time
- July 31, 2013 at 6:00 AM (UTC)
- Format
- IOI, 12 problems, 20.001 hours