Problems from Waterloo Programming Contest 2005-02-05

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Beat the Spread! 4927 1832 37% 0.00 1538 1373 89% 2.4
Great Circle 60 16 27% 0.00 13 10 77% 7.8
Ultra-QuickSort 1274 484 38% 0.07 415 321 77% 4.5