Problems from 2017 ICPC Mid-Atlantic Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Avoiding Airports 944 172 18% 0.08 180 108 60% 6.5
Haiku Formatting 457 57 12% 0.00 80 45 56% 7.3
Long Long Strings 313 84 27% 0.00 94 55 59% 7.8
Purple Rain 1155 414 36% 0.00 400 321 80% 4.3
Rainbow Roads 678 215 32% 0.02 165 134 81% 5.1
Security Badge 862 155 18% 0.05 165 110 67% 6.7
Spinning Up Palindromes 149 51 34% 0.00 63 38 60% 7.2
Star Arrangements 4738 2566 54% 0.00 2348 2252 96% 1.6