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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 273 74 27% 0.00 44 36 82% 5.0
Grid Speed 15 3 20% 0.04 5 3 60% 6.6
Marbles On A Tree 1066 404 38% 0.00 282 252 89% 3.0
Three Powers 1881 913 49% 0.00 749 691 92% 2.5
Work Reduction 620 213 34% 0.01 148 115 78% 5.8