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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 215 64 30% 0.00 38 32 84% 4.5
Grid Speed 15 3 20% 0.04 5 3 60% 6.6
Marbles On A Tree 940 362 39% 0.00 261 232 89% 3.0
Three Powers 1775 865 49% 0.00 705 650 92% 2.6
Work Reduction 545 185 34% 0.01 129 97 75% 6.0