Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00521593682032%3.2Mediumen
Biggest Slice0.005229849421%6.9Harden
Erratic Ants0.005243565627%5.3Mediumen
Even Up Solitaire0.00511455465041%2.1Easyen
Goldbach's Conjecture0.0058136334641%2.0Easyen
Island Buses0.001118100529129%6.3Harden
Oddities0.005498822587952%1.6Easyen
Plotting Polynomials0.00562943169%2.5Easyen
Shotcube0.1719044826714%8.9Harden
Ternarian Weights0.005223276634%3.2Mediumen
Trapezoid Walkway0.0026087344451%3.3Mediumen