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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 1715 995 58% 0.00 1009 905 90% 2.1
Ink Blots 21 8 38% 0.00 11 7 64% 7.1
Permutation Code 319 178 56% 0.00 187 161 86% 2.2
Primary X-Subfactor Series 175 52 30% 0.00 70 44 63% 5.1
Speed Limit 13903 7539 54% 0.00 6912 6625 96% 1.4
Symmetric Order 5608 3459 62% 0.00 3358 3200 95% 1.4
Triangle Cuts 62 13 21% 0.01 22 11 50% 7.5