Problems from 2013 ACM-ICPC North American Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
4 thought 5957 2010 34% 0.00 2001 1666 83% 3.1
Biggest Slice 664 159 24% 0.00 204 127 62% 6.5
Erratic Ants 1142 346 30% 0.00 408 293 72% 4.9
Even Up Solitaire 3845 1340 35% 0.00 1236 999 81% 2.7
Goldbach's Conjecture 3354 1247 37% 0.00 1216 955 79% 3.5
Island Buses 437 127 29% 0.00 133 96 72% 5.9
Oddities 17272 9841 57% 0.00 8810 8517 97% 1.2
Plotting Polynomials 236 182 77% 0.00 185 168 91% 2.4
Shotcube 255 42 16% 0.17 63 27 43% 7.6
Ternarian Weights 594 230 39% 0.00 264 217 82% 3.9
Trapezoid Walkway 382 191 50% 0.00 191 166 87% 3.3