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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 174 50 29% 0.00 32 26 81% 4.6
Marbles On A Tree 863 327 38% 0.00 228 204 89% 2.9
Three Powers 1605 793 49% 0.00 635 587 92% 2.5
Work Reduction 494 167 34% 0.01 114 85 75% 5.9