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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 1905 1141 60% 0.00 1139 1032 91% 2.0
Ink Blots 26 11 42% 0.00 12 8 67% 7.0
Permutation Code 368 207 56% 0.00 221 189 86% 2.3
Primary X-Subfactor Series 189 62 33% 0.00 80 54 68% 4.1
Speed Limit 17374 9472 55% 0.00 8755 8376 96% 1.5
Symmetric Order 8009 4738 59% 0.00 4553 4317 95% 1.6
Triangle Cuts 71 20 28% 0.00 27 16 59% 6.2