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

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Flow Layout 2326 1422 61% 0.00 1409 1289 91% 1.8
Ink Blots 83 17 20% 0.00 19 14 74% 5.9
Permutation Code 455 268 59% 0.00 285 248 87% 2.3
Primary X-Subfactor Series 247 87 35% 0.00 103 73 71% 4.9
Speed Limit 23064 12426 54% 0.00 11418 10871 95% 1.5
Symmetric Order 10628 6249 59% 0.00 5791 5486 95% 1.6
Triangle Cuts 93 23 25% 0.00 33 19 58% 7.0