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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 288 76 26% 0.00 49 38 78% 5.7
Grid Speed 15 3 20% 0.04 5 3 60% 6.6
Marbles On A Tree 1170 456 39% 0.00 309 277 90% 3.0
Three Powers 1978 952 48% 0.00 787 725 92% 2.5
Work Reduction 645 229 36% 0.01 159 126 79% 5.7