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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 2002 1213 61% 0.00 1210 1102 91% 1.9
Ink Blots 27 12 44% 0.00 13 9 69% 6.5
Permutation Code 388 218 56% 0.00 234 200 85% 2.3
Primary X-Subfactor Series 211 71 34% 0.00 88 62 70% 4.0
Speed Limit 19702 10664 54% 0.00 9853 9403 95% 1.5
Symmetric Order 9324 5462 59% 0.00 5129 4864 95% 1.6
Triangle Cuts 72 20 28% 0.00 28 16 57% 6.5