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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 602 135 22% 0.00 88 65 74% 6.2
Grid Speed 19 4 21% 0.04 7 4 57% 6.9
Marbles On A Tree 1353 546 40% 0.00 389 349 90% 3.0
Three Powers 2312 1119 48% 0.00 900 826 92% 2.5
Work Reduction 959 280 29% 0.01 216 163 75% 5.4