Problems from 2004 ACM ICPC Mid-Central North American Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 1949 1168 60% 0.00 1166 1059 91% 1.9
Ink Blots 26 11 42% 0.00 12 8 67% 7.0
Permutation Code 383 213 56% 0.00 229 195 85% 2.3
Primary X-Subfactor Series 198 66 33% 0.00 85 58 68% 4.5
Speed Limit 18721 10188 54% 0.00 9393 8975 96% 1.5
Symmetric Order 8693 5112 59% 0.00 4869 4623 95% 1.5
Triangle Cuts 71 20 28% 0.00 27 16 59% 6.2