Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00521742687032%3.2Mediumen
Biggest Slice0.005230749621%6.9Harden
Erratic Ants0.005245066327%5.3Mediumen
Even Up Solitaire0.00511599471841%2.0Easyen
Goldbach's Conjecture0.0058183336641%2.0Easyen
Island Buses0.001118103430129%6.3Harden
Oddities0.005501022600152%1.6Easyen
Plotting Polynomials0.00563843368%2.5Easyen
Shotcube0.1719044886714%8.9Harden
Ternarian Weights0.005224076734%3.2Mediumen
Trapezoid Walkway0.0026092045449%3.3Mediumen