Problems from Waterloo Programming Contest 2006-05-27

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Card Hands 67 27 40% 0.06 22 19 86% 5.3
Ferry Loading IV 3795 1269 33% 0.00 1266 981 77% 3.0
How many 0's? 1261 573 45% 0.00 528 405 77% 4.5