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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Expanding Rods 820 178 22% 0.00 128 93 73% 6.3
Grid Speed 23 5 22% 0.04 9 5 56% 7.5
Marbles On A Tree 1801 705 39% 0.00 519 470 91% 3.0
Three Powers 3103 1481 48% 0.00 1207 1115 92% 2.3
Work Reduction 1400 372 27% 0.01 331 243 73% 5.5