Problems from Waterloo Programming Contest 2005-02-05

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Beat the Spread! 3676 1311 36% 0.00 1130 1000 88% 2.4
Great Circle 54 10 19% 0.00 12 9 75% 7.8
Ultra-QuickSort 746 300 40% 0.07 241 185 77% 5.2