Problems from Waterloo/Alberta Programming Contest 2004-06-12

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 797 172 22% 0.00 121 88 73% 6.3
Grid Speed 23 5 22% 0.04 9 5 56% 7.4
Marbles On A Tree 1692 654 39% 0.00 477 430 90% 3.0
Three Powers 2752 1343 49% 0.00 1101 1022 93% 2.3
Work Reduction 1186 338 28% 0.01 285 214 75% 5.4