Basecamp

December 19, 2011 at 8:00 AM (UTC)

Five for week 15

Upsolve

Dec 19, 2011

Ended 14 years ago

Unknown

5.5

days

5

Problems

Start time: December 19, 2011 at 8:00 AM (UTC)
End time: December 24, 2011 at 8:00 PM (UTC)
Format: IOI, 5 problems, 5.5 days

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Five for week 15 - Basecamp