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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 1595 924 58% 0.00 932 841 90% 2.1
Ink Blots 21 8 38% 0.00 11 7 64% 7.0
Permutation Code 313 174 56% 0.00 181 157 87% 2.1
Primary X-Subfactor Series 175 52 30% 0.00 70 44 63% 4.9
Speed Limit 12531 6877 55% 0.00 6267 6011 96% 1.3
Symmetric Order 5102 3170 62% 0.00 3082 2942 95% 1.4
Triangle Cuts 62 13 21% 0.01 22 11 50% 7.3